EP2010717A2 - Verfahren und vorrichtung für den grabenverbau - Google Patents
Verfahren und vorrichtung für den grabenverbauInfo
- Publication number
- EP2010717A2 EP2010717A2 EP07728529A EP07728529A EP2010717A2 EP 2010717 A2 EP2010717 A2 EP 2010717A2 EP 07728529 A EP07728529 A EP 07728529A EP 07728529 A EP07728529 A EP 07728529A EP 2010717 A2 EP2010717 A2 EP 2010717A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- linear guide
- guide
- pair
- supports
- linear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
Definitions
- the invention relates to a method and a device for trenching, in particular the construction of deeper trenches.
- It relates in particular to a method for trenching in which a trench is excavated and a shoring device is inserted into the trench, wherein
- ⁇ at least a first rigid expansion frame between the two Verbauplatten is guided displaceably in a first pair of linear guides, wherein in each case a linear guide of the first linear guide pair is connected to one of the Verbauplatten the first Verbauplattenjos
- the vertically extending linear guides for the expansion frame are arranged in pairs of mutually opposing supports which are inserted into the trench.
- One or more Sp Gillrahmen run between the two supports of a pair of supports.
- lining panels are fastened between two successive columns. In practice, on each trench side, the first vertical edge of a lining panel is held by a front pillar, and the second vertical edge of the lining panel is held by a rear pillar.
- Applicant's EP 0 475 382 A1 discloses such a method using shoring devices with supports.
- a method for shoring deeper trenches is proposed by means of support frame, which can be set up in the trench longitudinal direction at equal intervals.
- the support frames are composed of two parallel supports and a rigid expansion frame holding and connecting the supports at a distance, which can be displaced along the supports.
- the expansion frames are called "stiffener frames" in this publication.
- Each column frame forms a support structure which is particularly advantageous to handle during installation and removal. In located on both sides of the columns receiving channels insertable large-scale Verbauplatten are guided displaceably with their lateral edges.
- the support frame and the shoring panels are alternately and pressed the grave excavated in the trench or from ⁇ v goe lowers.
- the Sp Dr.sonrahmen between a lower stop and an upper stop slidably guided on the supports, wherein the lower stop at least in the amount of necessary excavator spoon freedom about 1 to 1.50 m from the column base and the upper stop at a distance from the lower stop is arranged, which the height of the Sp Schwarzrahmens, eg 1.75m, and allowable jack propulsion, e.g. 0.5m, corresponds.
- the upper stops can be removed and a second expansion frame can be inserted into the supports of the support frame.
- the upper stops can then be mounted at a distance above this second Sp Schwarzrahmen to the supports.
- a third rigid frame Sp Dr. be introduced into the supports of the support frame.
- the expansion frame can be connected together.
- so-called base plates having a first height eg, 2.35 m
- a second height eg, 1.35 m
- the total height of the Verbauplatten is then about 7.40 m.
- the invention is also intended for a trench mounting device, in which the supports are not separate components to which the plates are mounted vertically displaceable, but in which the supports or the linear guides are rigidly attached to the plates or integrated into the plates.
- DE 42 26 405 A1 in which the applicant is cited as the inventor, describes and shows in Fig. 2 such a device in which the linear guide having supports are welded to the vertical edges of the shoring plate.
- Such shoring panels with arranged at the two vertical edges linear guides for the Sp Drllrahmen usually form individual Verbaufelder or Verbauboxen.
- a panel consists of two opposite Verbauplatten and two Sp Dahlwoon, which are guided on the one hand between the front edges of the two Verbauplatten and on the other hand between the rear edges of the two Verbauplatten.
- a so-called Kopfverbau be provided, ie, a transversely extending to the trench head plate, against the front edges, and a head plate, which is supported against the rear edges of the two Verbauplatten.
- these shoring devices are usually installed simultaneously with two mutually displaceable individual supports on each side. This means that both individual supports are put on the ground and after digging a certain depth of the trench be pressed into the soil.
- the trench can only be dug within the columns and shoring because the excavator bucket does not reach the soil below the columns and shoring plates.
- the earth under the columns and the shingles is cut off from its lower edge when these elements are pushed in, and falls into the interior of the trench. For this reason, the lower edges of the columns and Verbauplatten oblique and form a cutting edge, which presses the soil during lowering inward (see DE 32 43 122 Al).
- the outer support Since the supports are usually recognized simultaneously in the known shoring devices, the outer support must not only displace the ground lying below its cross-section, but also the ground lying below the inner support to the trench interior when pressed into the ground. This means that very high forces are required to push the props into the ground. Due to the required cutting of soil of double column width, the forces are so high that they either overload the column material or can not be provided by conventional construction equipment.
- a shoring device which has a first pair of supports and a second pair of supports.
- the supports of the second pair abut against the inner sides of the supports of the first pair and are linearly guided on them.
- At the supports of the first pair of supports the edges of upper and outer Verbauplatten are guided displaceably.
- At the supports of the second pair of supports the edges of the lower and inner Verbauplatten are guided displaceably.
- the upper outer supports of the first pair are above the lower inner supports of the second pair of a spreading strut - called in DE 32 43 122 Al cross strut - kept at a distance.
- Two cross braces between the lower inner supports keep the inner supports at a distance and press against the outer supports.
- the support frame formed solely by the outer supports is unstable.
- the upper outer supports of the first outer shoring device are inserted into the trench only together with the lower inner supports of the second inner shoring device.
- this insertion of the outer and inner supports must be done in pairs, so that very high weights must be lifted and moved.
- the lower support must be shorter than the be upper to be used below the Sp Sonstrebe between the supports of the upper pair of supports can.
- An object of the invention is to develop a method for trenching in such a way that with simple installation and removal of the shoring used hereby the construction of trenches with great depth is made possible. Furthermore, it is an object of the invention to further develop the elements of a device for digging trench so that the construction of trenches with great depth is made possible.
- the Sp Drettillzigen the first shoring device can be removed, since the linear guide pair of the second shoring device intervenes with the intervening spreader acting inwardly on the sheathing panels compressive forces of the trench walls.
- the linear guides of the second shoring device and the shoring plates of the second shoring device located within the shoring plates of the first shoring device, which are each connected to at least one of the linear guides of the second shoring device, can now be lowered on further excavation of the soil.
- a Sp Drettillen is again inserted between the linear guides of the linear guide pair of the first shoring, which holds the first pair of linear guide at a distance.
- the expansion frame is preferably inserted from above between the first linear guide pair. In a further lowering of the second shoring device, if necessary, a further expansion frame between the first pair of linear guide can be inserted.
- the second shoring device can be lowered in the entire length of its linear guides, so that the inventive method, the maximum installation depth, which is limited by the forces occurring during installation and dismantling, substantially doubled. It is, in other words, pushed a complete Verbauvorraum with Sp Schwarzhornen through the already installed shoring device and lowered. This is made possible by the fact that when inserting the second shoring whose linear guide pair takes over the supporting forces acting on the first shoring device, while the Sp Schwarzrahmen the first shoring device for the passage of the second shoring device is removed.
- the trench walls can be simple or stepped.
- the shoring panels can be positively guided in vertical guide rails or similar linear guides having means.
- the shoring is lowered to the ground by means of an excavator following the excavation.
- Between the vertical rails of the expansion frame (often called rigid frame car or carriage) is arranged, which acts as a spreader and is displaceable in the vertical rails. Since the length of the vertical rails or the resulting Verbauwand Abu is limited due to the mechanical action of the soil rich, the final depth of this system described is doubled by a complete new Verbausystem similar to the previously described in the already installed system is used. New vertical rails with linear guides are inserted between the already installed vertical rails.
- the inner vertical rails with the corresponding Verbauplatten be further lowered by means of an excavator.
- the outer preassembled frame truck is reinserted above the inner shoring device.
- This frame carriage takes over further lowering of the inner shoring device acting on the outer vertical rails earth load when the inner shoring device has emerged by further lowering between the inner vertical rails from the outer vertical rails down.
- This method is also suitable for paddles, in which the vertical linear guides are integrated into the Verbauplatten, so applicable to so-called edge-supported shoring panels, if they are equipped with rigid expansion frame.
- the rigid expansion frame also called frame carriage or carriage
- the rigid expansion frame then take over when the same length edge-mounted Verbausystem is passed through an already installed, alternately the load.
- passing a shovel through an already built, equal length shovel ensures that the desired trench length is maintained at the bottom of the trench as well as at the top of the trench.
- the identity of the length of the outer and inner Verbaufeld is advantageous because across the entire depth of the built trench a Verbeldeld transitional Let's connect to the next one.
- a stiffening frame is preferably used as the spreader between the second pair of linear guides or the pair of supports of the second shoring device. This is preferably spread after insertion of the second Verbauvorsch in the first Verbauvorraum in practice at high pressure. As a result, the linear guides of the second linear guide pair are pressed with great force against the linear guides of the first linear guide pair. A present during the insertion of the linear guides of the second shoring device game is eliminated by the spreading. In a subsequent removal of the Sp Drllrahmens the first Verbauvortechnisch by eliminating the game no longer the risk that the linear guides of the first Verbauvortechnisch shift inwards and subsidence phenomena of supported by the Verbauplatten the first shoring soil occur.
- the second shoring device can be acted upon in practice, a hydraulic spreading device with pressure. In this way, high spreading forces can be generated, which completely absorb the pressure forces generated by the lining panels of the first shoring device.
- the expansion frame provided with the spreading device is just as rigid as the expansion frame without an additional spreading device.
- a locking element lock the Sp Drettillen the second shoring in an open position.
- a lock plate can be te be joined between two connecting flanges of said Sp Dreckens the second shoring and screwed hereby. It then arises again a rigid connection, consisting of high-strength steel elements between the guide elements of the second Sp Schwarzrahmens.
- the spreading device preferably a hydraulic cylinder, is no longer subjected to support forces during further use, since they are completely transmitted via the locking plate joined between the two connecting flanges.
- the inner frame which is formed by the inner linear guides of the second shoring device, inserted from above between the linear guides of the first pair of linear guide.
- the second shoring device can consequently be lowered into the first shoring device preassembled with a spreading frame arranged therebetween.
- the expansion frame of the first shoring device can be moved in practice prior to removal in the lower region of the first linear guides of the first shoring device. In this way, the support frame of the second shoring device can be inserted by the greater part of its length between the linear guides of the first shoring device in order to intercept the load there before the straddle frame of the first shoring device is removed.
- the linear guides are arranged on the opposite inner sides of two supports of a column pair of the first shoring device. With these linear guides arranged on the outer sides of the Sp Schwarzrahmens arranged guide elements cooperate positively. After moving the Sp Schwarzrahmens in the lower region of the first linear guide pair of positive engagement with the guide elements can be repealed. In this way, the Guiding elements are removed from the trench interior out of the linear guides and expanded the Sp Schwarzrahmen.
- the linear guides are guide channels in which guide elements (for example guide rails) arranged on the outer sides of the spreader frame are accommodated in a form-fitting and displaceable manner
- recesses can be arranged in the lower region of the guide channels, by means of which the guide elements are removed from the guide channels.
- the guide elements can be screwed together. These guide elements can be disassembled and dismantled to release the positive connection.
- the expansion frame of the first shoring device can also be pulled inward to remove its guide elements from the guide channels. Since a Sp Rudrahmen, as mentioned above, is preferably telescopic to be spread to take over the supporting loads, it can be pulled together in the expansion vice versa, to be expanded from the linear guides to Grabeninneren out. A few centimeters contracting is sufficient to release the compressive force acting on the expansion frame and then disassemble it without external load so that it can be removed from the trench.
- the expansion frame is screwed together from different steel elements.
- a Sp Schwarzrahmen can be solved before removing at least one screw.
- the expansion frame can then be disassembled and removed between the linear guides of a linear guide pair of the first shoring device.
- a spreading element of the spreading frame when removing the expansion frame of the first shoring device, a spreading element of the spreading frame can be loosened and removed and subsequently the other elements of the spreading frame can be removed towards the trench interior.
- a Sp Dahlhornen a practical embodiment consists of two slidably guided on the linear guides carriage and between them Carriage arranged Sp Schwarzrohren. After removal of said spreader tubes, the carriages can be removed towards the trench interior.
- linear guides e.g. On the opposite inner sides of two supports of a support pair of the first shoring device, guide channels may be provided, in which guide elements arranged on the outer sides of the spreading frame are accommodated in a form-fitting and displaceable manner.
- the linear guides (for example supports) of the second shoring device can then also have guide elements on their outer sides which are displaceably guided in the guide channels of the first shoring device.
- the guide elements on the outer sides of the linear guides of the second shoring device have in the trench longitudinal direction a positive connection with the outer guide channels.
- the inner linear guides of the guided in between the outer linear guides frame can not tilt forward or backward.
- the linear guides of a linear guide pair of the second inner shoring device are supported by the expansion frame therebetween.
- the supports running along a trench wall with the linear guides of the first shoring device can have receiving channels opposite one another, in which the shoring plates of the first shoring device are displaceably guided.
- an outer and upper shoring plate and an inner and lower Verbauplatte be slidably guided in order to achieve the greatest possible depth of the first shoring device and a trench with stepped cross-section.
- the supports of the second shoring device following one another along a trench wall can also have receiving channels which lie opposite one another and in which the shoring plates of the second shoring device are displaceably guided.
- receiving channels which lie opposite one another and in which the shoring plates of the second shoring device are displaceably guided.
- an outer and upper Verbauplatte and an inner and lower Verbauplatte be slidably guided.
- the achievable depth of a simple known shoring device with rigid expansion frame can be doubled in this way, the achievable depth of a simple known shoring device with rigid expansion frame. Since the outer and the inner shoring device extend over the same height, a trouble-free connection of a first shoring device to a second over the entire trench height is possible. It should be noted that this method can be repeated and a third shoring device can be inserted and lowered from above between the supports or linear guides of the second shoring device, and before the lowering of this third shoring device the spreading frame of the second shoring device in the region of the bottom of the trench is removed , In this way, the achievable installation depth can be further increased. With larger lateral forces acting on the Verbauplatten is not to be expected in greater depth, since the pressure acting from above of the resting earth masses due to the internal friction of the soil (vault effect) is converted only to a small extent in shear forces.
- the invention also relates to elements of the shoring device, which allow by their particular embodiment, the inventive increase in installation depth.
- the invention also relates to a linear guide for the expansion frame of a trench shoring device, wherein the linear guide cooperates positively with at least one guide element of a displaceable expansion frame.
- the linear guide is formed in the lower region such that the positive engagement with the guide element is repealed.
- the linear guide can be integrated into the Verbauplatten and arranged at the edge. Alternatively, it can be part of one of the
- Beech panels be formed separate support, the two vertical Borders of a Verbauplatte be supported by one support at the beginning and end of a Verbeldeldes.
- the linear guide is a guide channel, in which the guide element of a Sp Drhyroid shortens is positively inserted
- at least one recess may be arranged in the lower region of the guide channel, through which the guide element to the trench interior is removable.
- the straddle frame near the bottom of the trench can be removed by withdrawing its guide members inwardly through the recess in the lower portion of the guide channel.
- the linear guide is preferably associated with at least one stop, which limits the displacement movement of the Sp Schwarzrahmens in the linear guide.
- the linear guide may have at least one opening and the stopper may be a pin which can be inserted into the opening. If a bolt is inserted just above and below the Sp Schwarzrahmens in designated openings, the displacement is reduced to a minimum and the Sp Schwarzrahmen is held substantially stationary between the Linearrison- ments. This is helpful during the insertion of a column frame with two linear guides or a four field frame header box at the vertical edges of two opposing sheathing plates in the trench.
- the stops Upon further lowering of the linear guides, the stops are released, so that the individual components of the shoring device are movable relative to each other. However, a stop should continue to limit at least the displacement of the Sp Schwarzrahmens down to avoid that the Sp Schwarzrahmen is moved into the area in which the positive engagement with the linear guide is repealed.
- Such a linear guide can furthermore, if it is used in an inner shoring device, be assigned at the outside facing the trench outer side at least one guide element which interacts positively with an outer linear guide of an outer shoring device such that the two linear guides are mutually displaceable in their longitudinal direction ,
- This guide element ensures that the linear guide, which is pushed as part of the inner shoring between an outer linear guide pair, not forward or can tip over.
- the invention relates to a support system for a trench shoring device, ⁇ with a pair of internal supports, which have at least one linear guide on the inner side of the trench, which cooperates with at least one guide element of a displaceable along the support Sp Drhyroid shortens, the inner lying Support pair keeps at a distance, and ⁇ with a pair of outboard supports, which are slidably guided on the inner supports in the longitudinal direction of the supports and
- At least one roller assembly is provided which reduces the friction between the facing surfaces of an outboard support and an inboard support.
- the rollers provide smooth sliding of the inner support frame with respect to the outer pair of supports.
- rollers may be rotatably mounted about horizontal axes on the inner support, the circumference of which extends beyond the surface of the inner support which faces the outer support.
- the invention relates to a rigid expansion frame with guide elements on its outer sides, which are intended to act positively with a pair of mutually facing linear guides together.
- the guide elements are releasably secured to the spreader frame to allow the removal of the Sp lanternrahmens between the two supports of a pair of props.
- the expansion frame has a spreading device, with which the distance between the outer sides of the Sp lanternrahmens is variable to allow spreading of a frame consisting of the two linear guides and the Sp lanternrahmen.
- the spreading device may preferably comprise a hydraulic pressure cylinder.
- the expansion frame can have two connecting flanges whose spacing can be changed by means of the spreading device and between which a blocking plate with a selectable thickness can be fastened. In this way, the expansion frame can be locked after spreading by means of the locking plate in the spread position, wherein he has after locking again its rigid structure and its high bending stiffness.
- the hydraulic pressure cylinder is preferably arranged in the region of a spar of the Sp Drursrahmens. Due to the integration of the impression cylinder into the spar, only a few handling steps are required during the insertion of the second shoring device into the first shoring device in order to take over the forces acting on the outer linear guides by spreading the inner expanding frame between two inner linear guides.
- the connecting flanges can be arranged in a preferred embodiment of the Sp Dreckens in the region of said spar with the printing cylinder.
- Fig. 1 is a perspective view of a Verbaufeldes a known shoring with Sp Dr Drllrahmen in the installed state.
- 2 is an exploded view of a support frame of the shoring device of FIG. 1 in front view,
- Fig. 3 is a front view of the support frame of Fig. 2 in the
- FIG. 4 is a side view of the support frame when setting in the
- FIG. 6 shows three top views of a support with the end of the outer Verbauplatten during insertion into the support
- Fig. 7 is a side view of the Verbaufeldes when setting the second
- Fig. 8 is a plan view of the Verbau field when inserting the inner
- FIG. 9 shows a front view of the completely installed shoring device according to the prior art
- 10 is a plan view of the left support of a support frame of
- FIG. 21 shows the view x-x of the left supports of the shoring device from FIG. 20, FIG.
- FIG. 22 is a schematic front view of a Sp Schwarzens according to the invention with hydraulic spreading device
- FIG. 23 shows a detailed front view of the spreading frame with hydraulic spreading device from FIG. 22,
- FIG. 24 shows an enlarged side view of a spreading device
- 26 is a plan view of the inside of a support
- 27 is a plan view of the left supports of a further embodiment of the shoring device according to the invention in the fully installed state
- FIG. 28 is a perspective view of the outer side of a carriage of a spreading frame facing the linear guide of the shoring device according to the invention
- FIG. 29 is a view corresponding to FIG. 28, in which a movable guide element is shown in a second position, FIG.
- Fig. 30 is a view corresponding to FIG. 26 of the inside of an outer support
- FIG. 31 is an enlarged perspective view of the lower end of the support of FIG. 30;
- Fig. 32 is a side view of an inner support
- FIG. 33 is a cross-sectional view of the inner support of FIG. 32; FIG.
- Fig. 34 is an enlarged perspective view of the upper end of the support of Figures 32 and 33,
- Fig. 35 is a perspective front view of a pressing device
- FIG. 36 is a diagrammatic rear view of the press apparatus of FIG. 35; FIG.
- Fis. 37 shows a perspective front view of the pressing device from FIGS. 35 and 36 on a support pair
- Fig. 38 is a perspective rear view of the pressing device according to
- 39 is a perspective view of a panel field with edge-supported shoring panels in the installed state
- FIG. 39 corresponding representation of the panel field with an attached second, inner Verbaufeld,
- FIG. 41 is a representation of the panel field corresponding to FIG. 40 with the inner panel completely inserted into the first outer panel;
- FIG. 42 shows a representation corresponding to FIGS. 39-41 with the second mounting field completely below the first mounting field.
- Figs. 1 to 38 relate to embodiments of the invention, in which a Verbaufeld a Verbauvorraum consists of four supports, at least two Sp Dahlrahmen and at least two Verbauplatten.
- the four supports have on their inner sides, the linear guides for the Sp Schwarzrahmen and are combined into two pairs of supports, between each of which a Sp Dahlrahmen is guided.
- At the supports the edges of Verbauplatten are slidably mounted.
- FIGS. 39 to 42 show an embodiment of the invention without separate supports.
- the linear guides are arranged directly on the edges of the shoring panels.
- Fig. 1 shows a Verbau field of the known shoring in a trench, in which a pipe section 6 is inserted.
- the Verbaufeld the Verbauvorraum comprises two support frame 1.
- Each support frame 1 has two mutually paired columns 2.
- a rigid Sp lanternen 3 is slidably disposed in the longitudinal direction of the supports 2.
- Each support 2 has on its inner side facing the trench on a guide channel 13 which forms a vertical linear guide and in which the Sp Schwarzrahmen 3 is guided vertically displaceable.
- the lower portion 20 of the guide channel 13 is widened, as will be described in more detail below. So that the expansion frame 3 is not included in the widened portion 20 is pushed, above the flared portion 20, a stop 25 is attached.
- the stop 25 is shown in Fig. 1 as arranged transversely to the guide channel 13 bolt. But it can be used as a stop any other means, such as in openings 50 (see FIG. 30) plug-in socket pin. Also, a slidable in the receptacle 13 and clamped stop can be used to limit the displacement of the Sp Schwarzrahmens 3.
- the expansion frame 3 consists of two carriages 7, which in the
- each support 2 are guided longitudinally displaceable. Between the carriage 7 Sp Schwarzrohre 8 by means of screws (not shown) attached. In addition, spacer plates 9 are mounted in the region of the lower Sp Dahlrohrs 8. The spacer plates 9 compensate for the game of linear guide for the carriage 7. In the area of the lower spreader tube 8, the spreader frame 3 is subjected to pressure, whereas in the region of the upper spreader tube 8 it is subjected to tension. The spacer plates 9 cause, in spite of the game between Sp Schwarzrahmen and the lateral supports 2, the lateral supports 2 are aligned parallel to each other.
- a support 2 with a carriage 7 is deposited on as level a terrain as possible.
- a suitable hoist for example the boom 10 of a backhoe
- the second support 2 is raised with attached carriage 7 and Sp Dr Dahlen 8 and positioned over the first support 2.
- the lower fittings are attached, so that the rigid expansion frame 3 is closed and the support frame 1 is completed.
- the boom 10 of the backhoe 11 lifts the support frame 1, so that the two supports 2 are vertical and parallel to each other (see Fig. 4).
- the support frame 1 is used in this orientation in a pre-stroke for the shoring field.
- the advance was previously mounted with a backhoe 11.
- the pre-excavation must be carried out to a depth of 1 m to 1.5 m. In the pre-stroke of the first support frame 1 is used, as shown in FIG. 4.
- FIGS. 5 and 6 A large-scale shoring plate 4 made of steel is raised with an excavator boom and moved with an edge in the vicinity of the profile of one of the supports 2.
- the supports 2 on the two sides which lie in front and rear in the longitudinal direction of the trench, have receiving channels 12 into which the edges of the lining panels 4, 5 can be inserted.
- the edge of the outer Verbauplatte 4 is, as shown in Fig. 6, pivoted into a receiving channel 12 of the support 2.
- a second support frame 1 is then lifted by the boom 10 of an excavator and lowered at the other end of the shoring 4, so that in the sheathing plates 4 facing receiving channels 12, the edges of the shoring 4 are performed.
- the receiving channels 12 form the fastening devices, which hold the outer Verbauplatten 4 between two trench longitudinally consecutive supports 2 on one side of the trench.
- the excavator lifts the soil between the shoring plates 4 and the supports 2 and pushes these components one after the other into the excavated trench.
- 30 - 40 cm of the soil below the plate edges or the supports are dug.
- the supports 2, the Verbauplatten 4 and the Sp Schwarzrahmen 3 are alternately pushed, these components are moved in the vertical direction.
- inner Verbauplatten 5 are used. As shown in FIG. 8, the inner Verbauplatten 5 are pivoted into the receiving channel 12 of the supports 2 above the outer Verbauplatten 4 and then lowered parallel to the outer Verbauplatten 4 in the trench. In a further excavation of the trench, the inner Verbauplatten 5 are lowered, the outer Verbauplatten 4 preserve the recognizable in Fig. 9 position in the upper region of the trench.
- the outer shoring panels 4 and the inner shoring panels 5 may, for example, be divided into two in order to be able to realize different trench heights.
- the Verbauplattenmaschine can be placed on each other and connected by fasteners firmly together.
- the overall height of the inner Verbauplatte 5 and the outer Verbauplatte 4 of the shoring device shown is usually not more than 5 m, otherwise the force acting on the components compressive forces, frictional forces and torsional forces are too large. Most of the height of consisting of two plate parts outer shoring 4 and inner sheathing plates 5 in the order of 4 m.
- the length of the support 2 is about 8 m. Accordingly, the greatest depth of a trench, which can be supported with the shoring device shown, usually at 8 m to at most 10 m.
- Fig. 10 shows in a detailed sectional view again the cooperating parts of the shoring device on the example of a left support 2 of a support frame.
- the supports 2 consist of an at least partially closed box hollow profile.
- the two front and rear sides of the support 2 in the trench longitudinal direction each have a receiving channel 12, in which the edges of outer lining panels 4 and inner lining panels 5 staggered towards the trench interior are guided.
- a large open receiving channel 12 on each side of the support 2 are also Supports are known, each having a stepped receiving channel on each side or the two mutually parallel receiving channels on each side to guide the outer and inner Verbauplatte at the edge.
- a guide channel 13 can be seen on the side of the support 2 facing the trench interior, which is open towards the trench interior and forms a vertical linear guide.
- the guide channel 13 receives a guide rail 14 which is arranged on the outside of the carriage 7.
- the guide rail 14 engages behind form-fitting edge strips 15, which laterally constrict the mouth of the guide channel 13. The positive connection prevents the carriage 7 is pulled out of its leadership in the guide channel 13.
- rollers 16 are arranged on the carriage, which are rotatable about horizontal axes 17 and roll on the trench interior facing surface lateral support flanges 18 of the support 2.
- Fig. 10 also shows a guide web 19 on the outside of the support 2.
- This guide web 19 has no function when the shoring device alone (as seen in Fig. 9) is installed. It only fulfills its function when, according to the invention, a second shoring device is inserted into the above-described first shoring device and installed therethrough into a greater shallow depth.
- FIGS. 11 to 20 This process is shown in FIGS. 11 to 20.
- the first figures 11 to 13 summarize once again the previously described process of installing a shoring device according to the prior art. In this case, only the support frame 1 in front view in a viewing direction parallel to the longitudinal direction of the trench are shown in Figs. 11 to 19.
- the shoring panels, which laterally bound the shoring frames defined by the support frames, can only be seen in FIG.
- Fig. 11 shows, similar to Fig. 5, how the support frame 1 is inserted into the pre-excavation of the trench.
- Fig. 12 shows the support frame 1 in further lowering the shoring device, as described above.
- Fig. 13 shows - similar to Fig. 9 - schematically the support frame 1 in the fully installed state.
- Fig. 14 shows the continuation of the Verbauvons invention to achieve particularly large trench depths.
- first support frame 1 a second support frame 1 'of a second shoring device is used.
- the support frame 1 ' is also hung on a boom 10 of an excavator and pushed from above between the supports 2 of the first support frame 1 until the second support frame 1' is located just above the Sp Schwarzrahmens 3 of the first shoring device.
- the stopper is removed and the expansion frame 3 of the first support frame 1 is lowered completely to the bottom of the trench (see FIG. 15).
- the first expansion frame 3 is removed between the outer supports 2 of the first shoring device.
- the earth pressure acting on the outer supports 2 of the first shoring device is transmitted via the inner supports 2 'to the spread-out spreading frame 3' of the second, inner shoring device.
- the Sp Schwarzrahmen 3 ' has a different shape than the Sp Schwarzrahmen 3.
- the Sp Schwarzrahmen 3 has - as in the embodiment of FIGS. 1 to 9 - a substantially rectangular shape with an upper and a lower Sp Schwarzrohr 8 between the side carriage 7, whereas the Sp Schwarzrahmen 3 'between the side carriage T only a Sp Schwarzrohr 8', which consists of a rectangular box hollow profile.
- the expansion frame 3 'thus has a substantially downwardly open U-shaped form.
- Other expansion frames are known, for example, have an H-shaped form with a single pipe section in the central region of the carriage.
- any shapes of the spreading frames 3, 3 ' can be used.
- Each type of Sp Schwarzrahmen 3,3 ' is advantageously provided with a spreading device to be spread during insertion between the two supports of an already installed in the trench paddle field and to take over the load.
- Fig. 1 it can be seen on the front left support 2, that the guide channel 13 is widened for the left carriage 7 in the lower portion about the height of the carriage 7.
- This expanded area consists of widening recesses, which are produced by removing the edge strips 15 in the lower area.
- the recess or the extended Area is designated by the reference numeral 20 and in Fig. 29, which shows a view of the inside of the support 2, shown in detail.
- Fig. 21 also shows a section through the lower portion of the upper and outer support 2 and a plan view of the lower and inner support 2 '.
- the edge strips 15 ' ensure the positive connection between the dovetail-shaped guide rail 14' of the carriage V and the inner support 2 '.
- a panel of the second shoring device which consists of two support frames 1 'and arranged therebetween outer and inner Verbauplatten be lowered with continuous further excavation of the trench (see Fig. 18).
- the lateral pressure loads of the soil are further absorbed by the displaceable Sp Schwarzrahmen 3 'between the inner supports 2'.
- the Sp Schwarzrahmen 3 which was previously removed below the supports 2' between the supports 2, can be re-inserted from above between the supports 2 (see Fig. 19).
- earth loads are taken up again by the expansion frame 3 located therebetween.
- an inner pair of supports 2 ' are brought between the outer supports 2 and, starting from the bottom of the trench, after installation of the outer supports 2 (see FIG. 17) second shoring device, which is supported by the inner supports 2 ', lowered to a much greater trench depth.
- Fig. 20 shows the shoring device according to the invention in its installed state.
- the outer Verbauplatten 4 between the upper supports 2 and 4 'between the lower supports 2' are shown.
- the inner Verbauplatten 5 can be seen in the receiving channels of the upper supports 2 and the inner Verbauplatten 5 'in the receiving channels of the lower supports 2'.
- the forces acting laterally on the sheathing plates 4 ', 5' of the lower shoring device are not significantly higher than the forces acting on the shoring plates 4, 5 of the upper shoring device.
- the increasing vertical load due to the greater installation depth simultaneously leads to an increase in the frictional forces acting in the earth.
- the friction force counteracts a displacement of the soil in the direction of the trench center. Consequently, the large depth, high vertical compressive forces are not transmitted to a significant extent in the lateral direction on the sheathing plates 4 ', 5'.
- the present invention is not limited to the shoring devices described with running in the supports inner and outer sheathing plates, but can also be used advantageously in shoring devices, in which only one shoring plate is guided between two successive columns.
- the panel of the outer shoring and the sheave of the inner shoring have the same length.
- a plurality of outer and inner shoring devices can be joined one behind the other in the trench longitudinal direction without any transition.
- FIG. 21 shows the pillars on the left side of that shown in FIG.
- Fig. 21 it can be seen that in the guide channel 13 'of the inner support 2', the guide rail 14 'of the carriage 3' is added. In contrast, engages in the guide channel 13 of the outer support 2 of the outside of the inner support 2 'mounted guide web 19 and ensures that the inner support 2' can not tip over during installation in trench longitudinal direction.
- the guide rail of the upper expansion frame 3 engages above the inner supports 2 'in the guide channel which is open towards the trench interior.
- Fig. 22 shows schematically a spreading device, which allows the spreading.
- the left carriage 7 of the Sp Schwarzrahmens 3 has a hydraulic spreading device.
- the spreading device is located in the region of two connecting flanges 21, 22, which are arranged on the one hand on the carriage 7 and on the other hand at one end of the spreader tube 8.
- Each hydraulic expansion device comprises a hydraulic cylinder 23.
- hydraulic cylinders 23 are provided both in the region of the lower spreader tube 8 and in the region of the upper spreader tube 8.
- the hydraulic cylinder 23 is pressurized.
- the upper hydraulic cylinder 23 and the lower hydraulic cylinder 23 are acted upon synchronously with the same pressure.
- a locking plate 24 is added between the spread-flange flanges 21,22.
- a plurality of locking plates 24 are inserted between two adjacent connection flanges 21 'and 22.
- blocking plates of different thickness.
- an insulated blocking plate 24 is shown in FIG. 23 both in a side view of its narrow side and rotated by 90 ° in a plan view of its broad side.
- the carriage 7 associated with the connecting flange 21 'part of an additional part which has the hydraulic cylinder 23.
- the locking plates 24 are formed so that they can be pushed through between screws, through which the adjacent connecting flanges 21 'and 22 are screwed together.
- the blocking plate 24 has at its center an elongate recess 38 which allows the passage of the piston rod 36 (see Fig. 25). After spreading and the insertion of the locking plate, the connection consisting of the connecting flanges 21 ', 22 and the locking plate 24 is screwed again, so that the Sp Schwarzrahmen 3 further has a high flexural rigidity.
- the blocking plates 24 are available in various thicknesses, so that in each case the thickness can be selected, the thickness of which corresponds to the maximum spreading by the spreading device.
- the expansion carriage 3 'of the inner shoring device has a similar spreading device.
- the spreading device shown schematically in FIG. 22 is shown in detail in FIGS. 23-25.
- the spreading devices with hydraulic cylinders can form additional parts 32, which are screwed between the connecting flange 21 of a carriage 7 and the opposite connecting flange 22 of the expanding tube 8 and have two corresponding connecting flanges.
- connection flange 21 'of the additional part 32 then forms the carriage 7 associated with the connecting flange 21 ', which can be pushed away from the connecting flange 22 of the Sp Stirrings 8.
- FIGS. 24 and 25 show one of the mentioned additional parts 32 in an enlarged view.
- a part of the front connecting flange 21 is shown cut away, so that the hydraulic cylinder 23 is visible.
- a part of the visible in Fig. 25 side wall of the hollow box profile 33 is cut out.
- FIG. 25 additionally shows the left end of a spreader tube 8 with connection flange 22 and a blocking plate 24.
- the additional part 32 is screwed with its left connection flange 22 'against a connecting flange 21 of the carriage 7. With the second connection flange 21 ', the additional part 32 is screwed to the corresponding connection flange 22 of the spreader tube 8. Between the two connecting flanges 21 'and 22' of the additional part 32 is a hollow box profile 33, in which a hydraulic cylinder 23 is received.
- the hydraulic cylinder 23 is welded to a base plate 34 on the connecting flange 22 '.
- the hydraulic cylinder 23 has a hydraulically displaceable piston 35 and an adjoining piston rod 36, the free end of which presses against the connecting flange 22 of the spreader tube 8.
- the spreading of the spreading device can be seen in particular in Fig. 25.
- the guide profile 37 ensures that when moving with the screwed connection of the opposing connecting flanges 22,21 'remain aligned with each other and can be screwed again after the shift.
- FIG. 27 shows a plan view of further embodiments of the two left supports of a built-in installation device according to the invention with the shoring plates 4, 4 ', 5, 5' received therein on a support side.
- the channels for receiving the edges of the Verbauplatten are empty.
- the outer support 2 and the inner support 2 ' are formed different from each other.
- the inner support 2 ' has at regular intervals horizontal axes 27 which are fixed near the outside of the support 2' in which the support 2 'forming box hollow profile.
- rotatable rollers 26 are arranged, which roll on the inner portions of the support flanges 18 of the outer support 2.
- the circumference of the rollers 26 extends through elongated recesses in the outer wall of the inner support 2 'and protrudes beyond this outer wall by a few millimeters.
- Only the inner support 2 ' has a pair of guide webs 19'.
- the two guide webs 19 ' are very short and produce no resistance when lowering the prop in the ground.
- the supports and the carriages 7 ' have further characteristic features.
- the carriage 7 ' is shown in Figures 28 and 29. It can be seen that the guide rail 14 'extends only over a short longitudinal section in the lower region of the carriage 7', in which the rollers 16 are arranged. In the upper area, just below the upper rollers, a guide element 39 can be seen, which can be moved from a first position shown in FIG. 28 to a second position shown in FIG.
- the movable guide element 39 In the first position shown in FIG. 28, the movable guide element 39 is located in the guide channel 13 'when the rollers 26 rest against the support flange 18 of the support 2'.
- the movable guide element 39 can be manually moved to the second, recognizable in Figure 29 position. In this case, the movable guide element 39 is first rotated, so that it no longer engages behind the edge strips 15 'of the guide channel 13'. Subsequently, the movable guide member 39 is pulled out of the guide channel 13 '.
- This movable guide element allows the removal of the carriage from the guide channel 13 ', when the carriage has reached the very bottom of the support.
- FIGS. 30 and 31 show an outer support 2 in plan view of its inner side facing the trench and in diagrammatic detail showing the lower end.
- FIGS. 32-34 show an inner one
- Support 2 in side view, cross-sectional view and in diagrammatic detail view showing the upper end.
- the support flanges 18 end at a distance of about 30 cm above the lower end of the support 2,2'.
- the movable guide element 39 is moved into the retracted position of FIG. If the carriage 7 'is then located at the bottom of the trench bottom and at the bottom of the support 2 or 2', it can be placed in the horizontal to the bottom of the trench. Here the carriage can be taken apart and removed.
- Figures 28 and 29 show further details of the carriage 7 '.
- the carriage 7 ' For example, above the upper and lower rollers 16 stripping brushes 41 can be seen, which avoid excessive contamination of the rollers 26.
- FIGS. 32 and 33 also show the horizontal axes 27, which are arranged at regular intervals on the outer side of the inner supports 2 'and which carry the rollers 26 which roll on the support flanges 18 of the outer supports 2 (see FIG. 27).
- the support flanges 18 of the outer supports 2 form the running surfaces for the rollers 26 of the inner supports 2 '.
- openings 50 are arranged at regular intervals.
- the openings 50 serve on the one hand to receive a stop. The stop avoids that the carriage 7 is moved too far down and its short guide rail 14 unintentionally exits from the lower region in which the support flanges 18 are removed.
- the openings 50 are used to receive a pressing device described below, which allow the inner supports 2 'to be pressed into the ground when they are already below a spreader frame mounted between the outer supports 2.
- FIGS. 35 to 38 show a pressing device 42 which, in conjunction with the outer support 2 shown in FIG. 30, facilitates the further lowering of the inner support 2 '.
- the pressing device 42 has a box-shaped steel housing 43. On the two narrow sides of the steel housing 43 are each two parallel pins 44 are arranged. On one side, the housing 43 is provided with a coupling part 45 of a quick-change coupling.
- the complementary coupling part 46 is attached to the boom 47 of an excavator (see Fig. 38). With the coupling parts 45, 46 of the quick-change coupling, it is possible to fix the pressing device 42 to the boom 47 within a few seconds.
- FIGS. 35 and 36 further show, within the housing 43 of the pressing device 42 there are two hydraulic pressing cylinders 48 with which two plunger 49 can generate a pressing force down.
- the quick-change coupling also includes coupling members (not shown) which connect the hydraulic circuit of the excavator to the hydraulic press cylinders 48 of the press device 42.
- the pins 44 cooperate with openings 50 which are mounted at a distance of the pins 44 in the guide channel 13 of the support 2 (see Figure 28).
- the openings 50 which are regularly distributed over the first, outer linear guide, form first holding elements and the pins 44 of the pressing device 42 insertable therewith, second holding elements cooperating therewith.
- the use of the pressing device 42 is shown in particular in FIGS. 37 and 38.
- the pressing device 42 is connected via the two coupling parts 45, 46 with the boom 47 of an excavator.
- the cantilever 47 holds the pressing device 42 such that the two pins 44 on one side of the housing 43 are inserted into two openings 50 within the guide channel 13 of the outer rail 2 (see FIG. 28).
- the housing 43 of the pressing device 42 is positively connected to the outer support 2.
- At least one pressing cylinder 48 is activated so that the plunger 49 on a top plate 51 of inner support 2 'presses.
- the pressing force of the plunger 49 drives the lower end of the inner support 2 'deeper into the excavated trench.
- the supports 1, 1 ', 2,2' with the linear guides 13, 13 ', 14, 14' of the lining panels 4, 4 ', 5, 5' are separable, in the in Figures 28 - 31 illustrated embodiment, the supports firmly connected to the Verbauplatten or integrated into this.
- the supports are arranged on the lateral edges of the shoring plates and are referred to in this embodiment as a vertical rail, which form the linear guides for the expansion frame.
- the method according to the invention is functional not only with edge-supported shoring devices but also with center-supported shoring panels suitable for shallow trench shoring.
- Fig. 39 is a perspective view of a single Verbaufeld, also called Verbaubox, consisting of two edge-supported shoring panels 28 shown.
- Each of the lining panels 28 has guide channels 29 in the region of its two vertical edges.
- the guide channels 29 are formed in edge profiles of the Verbauplatten 28 and take on guide elements of two rigid expansion frame 30, which are guided displaceably in the vertical direction.
- a shoring device is set up on the ground at the location where the trench is to be excavated, and then lowered during the continuous dredging into the excavated trench.
- Fig. 39 shows the Verbaubox at the end of this installation process.
- Fig. 40 shows the insertion of a second Verbaubox in the first Verbaubox.
- the shoring plates 28 'of the inner shoring are held in the position shown in Fig. 40.
- the Sp Dreckritten 30 'between the inner Verbauplatten 28' spread open so that they intercept the outside acting on the outer Verbauplatten 28 loads.
- the expansion frame 30 are relieved between the outer Verbauplatten 28 and can, as described above, be removed. For this reason, the expansion frame 30 between the outer sheathing plates 28 must be removable from the guide channels 29 of the outer sheathing plates 28.
- the shoring panel consisting of the inner shoring panels 28 ' can be lowered completely into the trench.
- the inner shoring device consisting of the shoring plates 28 'with the expansion frames 30' located therebetween will be further lowered.
- the spreading frames 30 are again inserted between the outer shoring plates 28 on further lowering of the inner shoring device with the shoring plates 28 'and, as described above, spread apart to form the spreading frames 30 'of the load acting on the outer Verbauplatten 28 load to relieve.
- a plurality of such shingles may be joined together to obstruct a longer trench without interruption.
- the pressing device 42 for lowering the inner Verbauplatte 28 'between the outer Verbauplatten 28 is also applicable to the Verbauboxen with edge-supported shoring plates when in the leadership Channels 29 openings 50 are arranged, as shown in Fig. 41 for the outer
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Soil Working Implements (AREA)
- Sewage (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL07728529T PL2010717T3 (pl) | 2006-04-26 | 2007-04-25 | Sposób obudowy ścian wykopów |
| EP07728529A EP2010717B1 (de) | 2006-04-26 | 2007-04-25 | Verfahren für den grabenverbau |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200610019236 DE102006019236B4 (de) | 2006-04-26 | 2006-04-26 | Verfahren und Vorrichtung für den Grabenverbau |
| EP06126198 | 2006-12-15 | ||
| PCT/EP2007/054074 WO2007122255A2 (de) | 2006-04-26 | 2007-04-25 | Verfahren und vorrichtung für den grabenverbau |
| EP07728529A EP2010717B1 (de) | 2006-04-26 | 2007-04-25 | Verfahren für den grabenverbau |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2010717A2 true EP2010717A2 (de) | 2009-01-07 |
| EP2010717B1 EP2010717B1 (de) | 2012-12-26 |
Family
ID=38476117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07728529A Active EP2010717B1 (de) | 2006-04-26 | 2007-04-25 | Verfahren für den grabenverbau |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7972085B2 (de) |
| EP (1) | EP2010717B1 (de) |
| ES (1) | ES2401195T3 (de) |
| PL (1) | PL2010717T3 (de) |
| WO (1) | WO2007122255A2 (de) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009009406B4 (de) | 2009-02-18 | 2011-05-12 | Hess, Wilhelm | Spreizrahmen |
| US8845239B2 (en) * | 2011-10-28 | 2014-09-30 | Taymurt Shoring, LLC | Shoring box and related methods |
| EP2722443B1 (de) | 2012-10-16 | 2015-09-02 | Wilhelm Hess | Verfahren und Vorrichtung für den Verbau tiefer Gräben |
| AU348085S (en) * | 2013-02-21 | 2013-04-16 | Lite Guard Safety Solutions Pty Ltd | Shield panel |
| USD737474S1 (en) * | 2013-11-21 | 2015-08-25 | Lite Guard Safety Solutions Pty Ltd | Shield panel |
| USD736961S1 (en) * | 2013-11-21 | 2015-08-18 | Lite Guard Safety Solutions Pty Ltd | Shield panel |
| CA2898002A1 (en) * | 2015-07-22 | 2017-01-22 | James Foley | Trench box and method of assembly |
| AU2018372817B2 (en) * | 2017-11-22 | 2020-07-30 | National Trench Safety, Llc | Excavation support system and methods for installing same |
| US10604907B2 (en) | 2017-11-22 | 2020-03-31 | National Trench Safety, Llc | Corner roller cart for excavation support structures and methods for using same |
| CA3082798C (en) * | 2017-11-22 | 2020-12-15 | National Trench Safety, Llc | Roller cart for excavation support structures and methods for using same |
| DE102018103201B4 (de) | 2018-02-13 | 2022-09-15 | Theo Heitkamp | Verbauvorrichtung |
| DE202019100752U1 (de) | 2018-02-13 | 2019-02-28 | Theo Heitkamp | Verbauvorrichtung |
| CN108331032A (zh) * | 2018-05-18 | 2018-07-27 | 郑州大学 | 一种预制板空沟隔振措施 |
| CN108468355A (zh) * | 2018-05-18 | 2018-08-31 | 郑州大学 | 一种空沟h型钢护壁隔振措施 |
| US10501908B1 (en) | 2018-12-14 | 2019-12-10 | Levee Lock, LLC | Membrane-lined wall |
| US10753061B2 (en) * | 2018-12-14 | 2020-08-25 | Levee Lock, LLC | Membrane-lined wall |
| PL243822B1 (pl) * | 2019-02-17 | 2023-10-16 | Isps Spolka Z Ograniczona Odpowiedzialnoscia | Sposób rozpierania oczepów w konstrukcji oporowej obudowy wykopu oraz układ elementów do realizacji tego sposobu |
| KR102428003B1 (ko) * | 2020-05-15 | 2022-08-02 | 주식회사 승원씨앤디 | 흙막이용 엄지말뚝, 이를 이용한 흙막이 구조 및 흙막이 시공방법 |
| CN113529746B (zh) * | 2021-08-26 | 2024-11-08 | 中冶建筑研究总院(深圳)有限公司 | 一种可回收的预应力支护体系及施工方法 |
| CN114134907B (zh) * | 2021-11-18 | 2023-08-04 | 岭南生态文旅股份有限公司 | 一种一体式雨污管道支护结构 |
| CN114032915B (zh) * | 2021-11-23 | 2023-03-31 | 浙江广川工程咨询有限公司 | 一种浅基坑简易支护装置 |
| EP4441295A1 (de) * | 2021-12-03 | 2024-10-09 | Autoshore Ltd | Hydraulisch bedienbare grabenverbauvorrichtung und verfahren zu ihrer verwendung |
| US11834804B1 (en) | 2022-09-01 | 2023-12-05 | Tom Malloy Corporation | Retainer plate and retention pin for trench shoring securement |
| CN118854932B (zh) * | 2024-09-25 | 2025-03-14 | 宁波用躬科技有限公司 | 一种深基坑支撑的施工方法 |
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| US3224201A (en) * | 1960-08-11 | 1965-12-21 | Speed Shore Corp | Shoring apparatus |
| US3295330A (en) * | 1964-01-20 | 1967-01-03 | Allied Steel Tractor Prod Inc | Shoring equipment |
| US3470699A (en) * | 1968-05-16 | 1969-10-07 | Andrew J Cox | Safety device for trenches and the like |
| US3766740A (en) * | 1972-06-16 | 1973-10-23 | D Teegen | Method and means for shorting the side walls of trenches to prevent their caving in |
| DE2302053C3 (de) | 1973-01-17 | 1979-03-15 | Josef 5138 Heinsberg Krings | Verbauvorrichtung für einen Leitungsgraben o.dgl. mit abgestuftem Querschnitt |
| FR2222867A5 (en) | 1973-03-22 | 1974-10-18 | Koehl Ets | Prefabricated panel trench supports - are slotted into intermediate grooved uprights with telescopic braces |
| AT329462B (de) * | 1973-11-24 | 1976-05-10 | Krings Josef | Fuhrungskopf fur spannstreben von kanalverbauvorrichtungen |
| FR2333901A1 (fr) | 1975-12-01 | 1977-07-01 | Koehl Jean | Blindage de tranchee telescopique a etages multiples |
| DE3366982D1 (en) * | 1982-07-23 | 1986-11-20 | Emunds & Staudinger Gmbh & Co | Shoring device |
| DE3243122C2 (de) | 1982-11-22 | 1994-12-01 | Kotex Ind Handel Gmbh | Verbauvorrichtung zum Abstützen der Wände eines Grabens mit abgestuftem Querschnitt |
| DE3423853C2 (de) * | 1984-06-28 | 1989-10-12 | Krings International Inh. Josef Krings, 5138 Heinsberg | Verbauvorrichtung für Gräben |
| DE4028832A1 (de) | 1990-09-11 | 1992-03-12 | Wilhelm Hess | Verfahren und vorrichtung zum verbau tiefer graeben |
| DE4226405A1 (de) | 1992-08-10 | 1994-02-17 | Emunds & Staudinger Gmbh & Co | Verbauvorrichtung |
| DE4230860A1 (de) * | 1992-09-15 | 1994-03-17 | Wilhelm Hes | Verbauvorrichtung |
| US5310290A (en) * | 1993-03-12 | 1994-05-10 | Spencer Dennis I | Protective structure for excavations |
| DE4322336C2 (de) | 1993-07-05 | 1996-12-19 | Emunds & Staudinger Gmbh & Co | Verbauvorrichtung |
| DE4413371A1 (de) * | 1994-04-19 | 1995-10-26 | Wilhelm Hes | Verbauvorrichtung |
| US5720580A (en) | 1995-12-22 | 1998-02-24 | Kvh Verbautechnik Gmbh | Apparatus for and method of shoring a trench |
| EP0866175A1 (de) * | 1997-03-20 | 1998-09-23 | Wilhelm Hess | Vorrichtung zum Verbau tiefer Gräben |
| JP3105196B2 (ja) * | 1997-07-09 | 2000-10-30 | 日本スピードショア株式会社 | スライドパネル式土留支保工 |
| DE19753561A1 (de) * | 1997-12-03 | 1999-06-10 | Emunds & Staudinger Gmbh & Co | Verbauvorrichtung |
| US5931607A (en) * | 1998-06-12 | 1999-08-03 | Hess; Wilhelm | Lining device |
| US7048471B2 (en) * | 2000-04-05 | 2006-05-23 | Maksim Kadiu | Shoring device |
| US6848865B2 (en) * | 2003-02-06 | 2005-02-01 | Max Kadiu | Shoring device |
| US7258511B1 (en) * | 2006-09-12 | 2007-08-21 | Cerda Industries, Inc. | Shoring system |
-
2007
- 2007-04-25 PL PL07728529T patent/PL2010717T3/pl unknown
- 2007-04-25 EP EP07728529A patent/EP2010717B1/de active Active
- 2007-04-25 ES ES07728529T patent/ES2401195T3/es active Active
- 2007-04-25 US US12/226,644 patent/US7972085B2/en active Active
- 2007-04-25 WO PCT/EP2007/054074 patent/WO2007122255A2/de not_active Ceased
Non-Patent Citations (1)
| Title |
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| See references of WO2007122255A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| PL2010717T3 (pl) | 2013-05-31 |
| US20090110490A1 (en) | 2009-04-30 |
| US7972085B2 (en) | 2011-07-05 |
| ES2401195T3 (es) | 2013-04-17 |
| WO2007122255A2 (de) | 2007-11-01 |
| WO2007122255A3 (de) | 2008-04-10 |
| EP2010717B1 (de) | 2012-12-26 |
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