EP0218808A2 - Coffrage pour bâtiments ronds ou polygonaux - Google Patents

Coffrage pour bâtiments ronds ou polygonaux Download PDF

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Publication number
EP0218808A2
EP0218808A2 EP86109736A EP86109736A EP0218808A2 EP 0218808 A2 EP0218808 A2 EP 0218808A2 EP 86109736 A EP86109736 A EP 86109736A EP 86109736 A EP86109736 A EP 86109736A EP 0218808 A2 EP0218808 A2 EP 0218808A2
Authority
EP
European Patent Office
Prior art keywords
formwork
belt
coupling
sections
belt sections
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.)
Withdrawn
Application number
EP86109736A
Other languages
German (de)
English (en)
Other versions
EP0218808A3 (fr
Inventor
Josef Maier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0218808A2 publication Critical patent/EP0218808A2/fr
Publication of EP0218808A3 publication Critical patent/EP0218808A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/062—Forms for curved walls
    • E04G11/065—Forms for curved walls with mechanical means to modify the curvature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32262—At selected angle
    • Y10T403/32319—At selected angle including pivot stud
    • Y10T403/32377—Radially spaced arcuate slot engages fastener

Definitions

  • the invention relates to a formwork for edge or polygonal structures, in particular a formwork without tension points, with a formlining that can be adjusted with regard to its curvature or its circumference and with a belt carrier chain that acts at a distance from the formwork and consists of individual belt sections, the belt sections being relative when adjusting the formwork are pivotable relative to one another with respect to their mutual angular position by means of a joint and can be fixed in the respective angular position.
  • Such formwork is known from DE-PS 21 40 638.
  • the individual belt sections in their extension, ie on their mutually facing end faces, each have the joints as a common connection, by means of which they can be adjusted relative to one another.
  • a threaded bolt running at a distance from the joint is used for adjustment and fixing.
  • the belt sections In order to adjust the formwork to the appropriate circumference or curvature, the belt sections must first be adjusted and fixed in their mutual angular position, after which the formwork skin can only be attached.
  • the formwork process is correspondingly complex. In this case, due to the play present in the individual adjacent joints, a considerable deviation from the desired angular position can occur, particularly when the games are added together.
  • a comparable formwork is therefore known from DE-AS 28 05 612, in which the individual belt sections in turn have joints connecting them at the end, but screw bolts with threads for adjusting the angular position are provided on both sides of these joints.
  • the play present in the joints can be switched off with careful assembly, however, a corresponding assembly effort and also the pre-adjustment of the position of the individual belt sections relative to one another is required before the formlining can be attached.
  • the invention has for its object to provide a formwork of the type mentioned, in which the curvature or the relative position of the belt sections to each other can take place together with the formwork skin or the formwork panels attached to the straps, with a play-free absorption of the forces that occur should be possible in the belt carrier chain.
  • the hinge axis for the adjustment and pivoting movement of the belt sections is arranged in the plane of the formwork skin and the belt sections arranged at a distance from one another have detachably connectable couplings arranged on an arc running around the hinge axis as the central axis. Since the axis for the adjustment and pivoting movement lies in the plane of the formwork skin, the formwork skin only needs to be correspondingly movable in the area of this axis, which is known for example from formwork corners or from DE-PS 24 03 325, so that the possibly interrupted Formwork skin and the entire formwork can take part in the adjustment and pivoting movements when adjusting the curvature or the circumference.
  • the belt sections are also pivoted relative to one another, however due to their distance from the pivot center axis additionally moved with their end faces relative to each other, but this is possible due to the detachable couplings there which can be connected in the respective setting. Joints with play on the belt sections themselves are thus avoided.
  • a very particularly expedient embodiment of the invention can consist in that an approximately U-shaped formwork element is arranged between two adjacent formwork panels, thus continuing with their formlining, the U-legs of which are provided for connection to the edge webs of the two formwork panels and their U -
  • the crossbar is a soft or hinged formlining that forms the axis of the joint.
  • the pivot axis is in a simple manner in the formwork plane.
  • a U-shaped formwork element with soft formlining results in good adjustability and is closed on its surface compared to a hinge solution.
  • the belt sections can have mutually interlocking tabs or the like, with coupling holes arranged on the arc around the hinge axis, which are or come in overlap with one another when adjusting the curvature, and plug parts for fixing the tabs in the respective setting position be provided, the overlapping coupling holes as locking the respective pivot position.
  • a continuous adjustment and nevertheless a form-fitting coupling on the belt sections can be achieved in that elongated holes are provided as coupling holes, the distance from the pivot axis of which corresponds to the radius of curvature of the formwork, and in that the elongated holes of the straps of one belt section are opposite those the other are offset on the arch in such a way that the spacings of the elongated perforations of one tab are different from those of the other tab, and that plug-in parts are provided with the same curvature as the elongated perforations in cross section.
  • these wedges can be driven in at different depths, which results in the infinitely variable adjustability and nevertheless a form-fitting fixing.
  • the radial width of the parts can correspond to that of the elongated perforations.
  • a simple to manufacture, easy-to-use and yet effective coupling of the belt sections results when two curved elongated perforations of cooperating tabs partially overlap one another and two wedges are provided on the tab of the one belt section on the edges of the oblong perforations facing away from one another and on the Attack the tab of the other belt section on the mutually facing edges of their elongated holes if they are wedged.
  • a mutual bracing of the tabs on the Elongated perforations achieved, depending on the setting of the tabs relative to each other, the coverage of the elongated perforations and thus the impact resistance of the two wedges provided for a clutch is different. This results in a stable coupling with any, i.e. stepless adjustment.
  • a stable and secure mounting of the plug-in parts in the respective coupling position is obtained if the belt section has two parallel overlapping tabs on one end face and a coupling axis that fits between two such tabs on the other end face.
  • the pair of tabs belonging to one end face then of course have mutually matching coupling perforations, while the other tab which can be inserted between the other end face or the neighboring belt section has the offset elongated perforations.
  • connection formwork element can be provided in the end regions of the belt sections, in particular on their side facing away from the formwork, on which a tensioning screw bridging the coupling region of two belt sections which can be connected to one another engages.
  • the forces required to adjust the belt sections and the formwork panels held by them can thus be easily applied, and a correspondingly sensitive adjustment movement is also possible.
  • the resulting bending of the U-shaped connection formwork element can be facilitated under certain circumstances in that the formwork skin of this connection formwork element has a predetermined kink and preferably consists of sheet steel or plastic.
  • the connection formwork element can also be made from sheet steel speaking flexibility.
  • the clamping screws are also easily accessible on the side facing away from the formwork. They primarily serve the adjustment and pivoting movement mentioned, but can additionally stiffen the belt carrier chain, so that they have a double function.
  • connection formwork elements for the outer formwork can be wider than for the inner circuitry of a circular structure and at the same time can serve as a compensating element for the larger extent of the outer formwork compared to the inner formwork. This makes it possible to use matching formwork panels for the outer and inner formwork, between which no further or very little additional formwork elements have to be used to compensate for the different sizes.
  • an embodiment of the formwork according to the invention can consist in that its belt carrier chain has at least one belt section which, between its couplings used for connecting to neighboring belt sections, is used for Changing its length in the longitudinal direction is adjustable.
  • a formwork designated as a whole serves for the creation of round or polygonal structures without tension points.
  • the creation of a polygon is concerned because the corresponding formwork panels 2 are flat on their formwork skin 3.
  • the formlining 3 of the entire formwork 1 can be adjusted in terms of its curvature or its circumference - even in the case of a non-ring-shaped construction, but only with a correspondingly curved or polygonal wall - an adjustment which is possible above all with reference to FIG. 2 and 3 and 4 and 5 and also with reference to FIG. 7 is explained in more detail.
  • a belt carrier chain 5 consisting of individual belt sections 4 acts on the formwork panels 2 so that the entire formwork is given sufficient rigidity to be able to do without tensioning points.
  • the belt sections 4 are relative to each other when adjusting the formlining 3 mutual angular position pivotable and lockable.
  • FIGS. 2 and 3 one can see from an inner formwork, when comparing FIGS. 4 and 5 from an outer formwork, how the adjacent formwork panels 2 and the associated belt sections 4 can assume different angular positions relative to one another.
  • a belt section 4 corresponds to one formwork panel 2 and belongs to the formwork panel.
  • the hinge axis 6 for the adjustment and pivoting movement of the belt sections 4 is arranged in the plane of the formwork skin 3 between two adjacent formwork panels 2 and the belt sections 4 running at a distance from the formwork panels 2 have an arc 7 extending around the hinge axis 6 as the central axis arranged, releasably connectable couplings to be described in more detail below.
  • an approximately U-shaped formwork element 8 is arranged between two adjacent formwork panels 2, the U-legs 9 of which are provided for connection to the edge webs 10 of the two adjacent formwork panels 2 and their U-crosspiece 11 according to the figures 1 to 6 is a soft formwork or, according to FIG. 7, a formwork skin provided with a hinge 12, which practically forms the hinge axis 6 at the same time.
  • This connection formwork element 8 is preferably made of sheet steel.
  • connection formwork element 8 can, as indicated in Fig. 1 to 5, as a joint axis 6 have a predetermined kink. This works particularly well when the connection formwork element 8 consists of sheet steel or plastic.
  • the belt sections 4 have mutually interlocking tabs 13 and 14 for coupling to each other, that is to say as the releasably connectable couplings already mentioned, with coupling holes 15 arranged on the arch 7 around the articulation axis 6, which, when the curvature is adjusted, completely or partially overlap or come together.
  • This coupling also includes plug-in parts 16, which are used to fix the tabs 13 and 14 in the respective setting position and which enforce the overlapping coupling perforations 15 as a lock for the respective pivot position.
  • the perforations 15 of the detachable tabs 13 and 14 have different clear distances from each other according to FIG. 6. As a result, the opposing perforation edges can be mutually braced by the parts 16.
  • the radial width of these plug-in parts 16 corresponds to that of the elongated perforations 15.
  • the effect of the different clear spacings of the elongated perforations 15 from one another is evident from FIG. 6 in conjunction with FIGS. 4 and 5 on the one hand or 2 and 3 on the other hand. It can be seen that, depending on the pivoting angle of the belt sections 4 and their tabs 13 and 14, the oblong perforations 15 overlap to different extents, so that the two parts 16 have different insertion depths. On the other hand, if the parts in these overlapping areas of the elongated perforations, which are permeable to them, are firmly hammered in, this position is fixed securely and immovably and without play.
  • the belt section 4 has two tabs 13 lying one above the other on one end face and a coupling tab 14 fitting between two such tabs 13 on the other end face.
  • the perforations of the two parallel tabs 13 coincide with each other, so that, above all, the vertically extending side surface 16 a finds an abutment in the two elongated perforations 13 at the edge 13 a.
  • the length of the arcuate recesses 15 of all the lugs 13 and 14 is approximately the same in the exemplary embodiment, but the coupling recesses 15 on the individual lug 14 have a larger clearance than that on the other two lugs 13 located coupling recesses 15 between them.
  • the oblique side surface 16 b comes to bear when the two parts 16 are braced against the mutually facing edges 14 a, as shown in FIG. 6.
  • projections 17 are provided in their end regions on their side facing away from the actual formwork 1, on which a tensioning screw 18 engaging the coupling region of two belt sections 4 which can be connected to one another engages.
  • the plug-in parts 16 are loosened or removed, the angular position of the two adjacent formwork panels 2 can be changed in a simple manner by turning the clamping sleeve 18 a of this clamping screw, since the clamping screw 18 articulates on the projections 17.
  • the parts 16 are then fixed in the manner described above, as a result of which the set position of the belt sections 4 and the formwork panels 2 is fixed.
  • the clamping screw 18 can transmit additional forces in a fixed position, so that it has a double function. A special securing on the clamping screw 18 in the respective holding position is not necessary, however, because the parts 16 actually fix the position.
  • the clamping screw 18 has two parts with opposite threads for the clamping sleeve 18 a.
  • tab-like projections 19 are provided on the end regions of the belt sections 4 on the side facing the formwork panels 2 for connection to stiffening webs 20 of the formwork panels 2.
  • the webs 20 have keyhole-like perforations 21 and the tab projections 19 can have matching perforations so that a corresponding bolt 22 can optionally be used with a cross pin or the like for fixing.
  • the belt sections 4 of the belt carrier chain 5 are fastened directly to the formwork panels 2, so that the lever arms are small.
  • the belt carrier chain 5 designed according to the invention engage on carriers which in turn support and stiffen the formwork panels 2 or any formwork skin 3. 1 to 5 that the U-shaped connection formwork elements 8 for the outer formwork are wider than those for the inner formwork and thus at the same time serve as compensating elements for the larger extent of the outer formwork compared to the inner formwork, so that number and Dimensions of the formwork panels 2 for inside and outside formwork can be the same.
  • the formwork panels 2 of the inner and outer formwork face each other exactly, so that the coupling points each lie on a common radius of the corresponding structure.
  • the belt section 4 has, in addition to the connecting projections 19, at least one support 23 facing the formwork panel 2, with which it can touch and support the formwork panel 2 on its side facing away from the concrete .
  • additional supports 23 can be provided with respect to the formwork panel 2.
  • the couplings of the belt sections 4 are given an additional function in that they also serve as additional support 23, with all the forces occurring in this area advantageously being introduced very closely to one another, that is to say on the shortest possible lever arms, in the belt section 4.
  • the formwork can be gradually adapted to different dimensions of round buildings.
  • FIG. 8 shows a special belt section 25 matching the belt carrier chain, which can be adjusted in the longitudinal direction between its couplings for connecting to neighboring belt sections 4, namely tabs 13 and 14, to change its length. If the belt carrier chain has at least one such lengthwise adjustable belt section 25, a practically continuous adjustment to the difference Liche dimensions possible, since the dimensions between individual increments can be compensated for by the length adjustability of this belt section 25 or possibly several such belt sections 25 inserted into the belt.
  • Such compensation belt sections 25 can be provided both on the outside and on the inside of the formwork 1.
  • the belt section 25 which is adjustable in its longitudinal direction, is thus provided for connecting the two end belt sections 4 of its belt carrier chain 5 and to compensate for dimensional differences that occur, and its coupling points 13 and 14 match those of the other belt sections 4.
  • they are like the other belt sections 4 designed as tabs 13 and 14 with elongated perforations in which the parts 16 fit.
  • the length adjustability of the compensating belt section 25 in the exemplary embodiment can be carried out by two parts 26 with opposing threads 27 and a connecting piece 28 with counter threads 29 matching these opposing threads 27.
  • the adjustable belt section 25 has, on its coupling straps 13 and 14, pipe connections 26 with internal threads 27, into which a connecting rod 28 engages, which at its two ends has external threads 29 that match the internal threads 27 of the pipe sections 26. 8 that the connecting rod 28 has an external polygon, in the exemplary embodiment a hexagon 30 for the attack of a wrench or the like. Tool in the area between its external threads 29 in order to adjust or twist this connecting rod to contract or Push the pipe apart pieces 26 easy to carry out.
  • the respectively set length of the belt section 25 can thus be fixed by screwing the respective lock nut 31 firmly against the end face of the respective pipe section 26 after setting the correct length.
  • a holding plate 32 which carries these two parts on both sides, is provided, which is extended in the direction of the formwork panels 2 and a stop piece 33 to support against the outside of the formwork panels 2 or their webs 20, which is preferably welded to the plate 32.
  • a belt section 4 can be replaced by a compensating belt section 25 or such a compensating belt section 25 is inserted between two belt sections 4 and its length adjusted to the remaining differential dimension .
  • This is possible in a simple manner by turning the connecting rod 28.
  • the formwork according to the invention can be practically infinitely adjusted to any dimensions.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Rod-Shaped Construction Members (AREA)
EP86109736A 1985-10-16 1986-07-16 Coffrage pour bâtiments ronds ou polygonaux Withdrawn EP0218808A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853536816 DE3536816A1 (de) 1985-10-16 1985-10-16 Schalung fuer rund- oder vieleckbauten
DE3536816 1985-10-16

Publications (2)

Publication Number Publication Date
EP0218808A2 true EP0218808A2 (fr) 1987-04-22
EP0218808A3 EP0218808A3 (fr) 1987-12-16

Family

ID=6283670

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86109736A Withdrawn EP0218808A3 (fr) 1985-10-16 1986-07-16 Coffrage pour bâtiments ronds ou polygonaux

Country Status (8)

Country Link
US (1) US4729541A (fr)
EP (1) EP0218808A3 (fr)
AU (1) AU578584B2 (fr)
DE (1) DE3536816A1 (fr)
DK (1) DK346686A (fr)
ES (1) ES2000777A6 (fr)
NO (1) NO862954L (fr)
PT (1) PT83097A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0807501A1 (fr) * 1996-05-15 1997-11-19 Shinichi Nogami Coffrage de forme allongée à courbure variable
NL1031468C2 (nl) * 2006-03-30 2007-10-03 Aales Adrianus Antonie Oussoren Systeem en werkwijze voor het vervaardigen van betonnen houders.

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US7018196B2 (en) * 2002-06-21 2006-03-28 Luxury Bath Liners, Inc. Skirt forming member for vacuum-forming systems
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US8899292B2 (en) * 2010-10-14 2014-12-02 Davian Enterprises, LLC Fully supported expandable deck
US10189221B2 (en) 2012-08-10 2019-01-29 Davian Enterprises, LLC Transfer ring shoe and transfer ring having varied shoe profile
CN102873285B (zh) * 2012-09-03 2015-06-10 西峡龙成特种材料有限公司 圆形水冷结晶器锭模
CN102873284A (zh) * 2012-09-03 2013-01-16 西峡龙成特种材料有限公司 多边形水冷模铸结晶器
CN102847889A (zh) * 2012-09-03 2013-01-02 西峡龙成特种材料有限公司 木桶结构模铸结晶器
KR102205188B1 (ko) 2013-06-07 2021-01-20 다비안 엔터프라이즈, 엘엘씨 이동 범위가 증가된 타이어 구축 드럼
RU2684094C2 (ru) 2014-02-07 2019-04-03 Дейвиан Энтерпрайзиз, Ллк Расширяемый брекерно-протекторный барабан с сегментами переменной кривизны
JP6912077B2 (ja) * 2017-04-15 2021-07-28 トヨタ工機株式会社 型枠装置
CN107503289B (zh) * 2017-08-27 2023-08-18 保利新联爆破工程集团有限公司 一种斜交桥面模板装置
US11358356B2 (en) 2018-09-27 2022-06-14 Davian Enterprises, LLC Transfer ring with block and rail system
CN109267747A (zh) * 2018-11-02 2019-01-25 中建四局第六建筑工程有限公司 一种可调角度弧形梁模板及其制作方法
WO2020160012A1 (fr) 2019-01-28 2020-08-06 Davian Enterprises, LLC Tambour à ceinture et à bande de roulement extensible pourvu de doigt décalés inverses
CN110242042A (zh) * 2019-05-07 2019-09-17 宁波普利凯建筑科技有限公司 一种适用于装配式建筑的柱角模板及施工方法
AT522654B1 (de) * 2019-05-29 2023-08-15 Porr Bau Gmbh Flexible Schalung
EP3832052A1 (fr) * 2019-12-04 2021-06-09 Umdasch Group NewCon GmbH Coffrage pour generer une porte ou fenetre dans un mur ou dalle en beton
KR20230003534A (ko) 2020-04-22 2023-01-06 윌리엄 에이. 존스 타이어 성형기용 숄더 어셈블리
US12162234B2 (en) 2020-05-29 2024-12-10 Davian Enterprises, LLC Transfer ring shoe and transfer ring with reduced air entrapment features
WO2022120117A2 (fr) 2020-12-03 2022-06-09 Davian Enterprises, Llc (Dba Wyko Tire Technologies) Bande extensible et tambour à bande de roulement à fixation de plateau magnétique
CN118563901B (zh) * 2024-08-02 2024-10-15 中国水利水电第九工程局有限公司 一种可调式排水沟槽支护装置

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0807501A1 (fr) * 1996-05-15 1997-11-19 Shinichi Nogami Coffrage de forme allongée à courbure variable
US6045114A (en) * 1996-05-15 2000-04-04 Nogami; Shinichi Elongated, curved framework with a variable degree of curvature
NL1031468C2 (nl) * 2006-03-30 2007-10-03 Aales Adrianus Antonie Oussoren Systeem en werkwijze voor het vervaardigen van betonnen houders.
BE1018693A3 (nl) * 2006-03-30 2011-07-05 Oussoren Aales Adrianus Antonie Systeem en werkwijze voor het vervaardigen van betonnen houders.

Also Published As

Publication number Publication date
DK346686A (da) 1987-04-17
NO862954L (no) 1987-04-21
DE3536816C2 (fr) 1987-12-17
EP0218808A3 (fr) 1987-12-16
ES2000777A6 (es) 1988-03-16
NO862954D0 (no) 1986-07-23
DK346686D0 (da) 1986-07-21
PT83097A (pt) 1987-01-26
AU6045786A (en) 1987-04-30
DE3536816A1 (de) 1987-04-16
AU578584B2 (en) 1988-10-27
US4729541A (en) 1988-03-08

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