EP3144445B1 - Système de support de plate-forme, système de plate-forme, console - Google Patents

Système de support de plate-forme, système de plate-forme, console Download PDF

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Publication number
EP3144445B1
EP3144445B1 EP16188999.3A EP16188999A EP3144445B1 EP 3144445 B1 EP3144445 B1 EP 3144445B1 EP 16188999 A EP16188999 A EP 16188999A EP 3144445 B1 EP3144445 B1 EP 3144445B1
Authority
EP
European Patent Office
Prior art keywords
fastening
platform
console
girder
support system
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.)
Active
Application number
EP16188999.3A
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German (de)
English (en)
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EP3144445A1 (fr
Inventor
Bernd Stadelmaier
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.)
Zech Hochbau AG
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BAM Deutschland AG
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Publication of EP3144445A1 publication Critical patent/EP3144445A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
    • E04B1/043—Connections specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B2001/8254—Soundproof supporting of building elements, e.g. stairs, floor slabs or beams, on a structure

Definitions

  • Patent US 4,893,442 A describes a console of this type according to the preamble of claim 1.
  • the invention relates to a pedestal storage system for prefabricated part platforms, with at least one shaft wall which carries at least one fastening component, and with at least one bracket which can be fastened / fastened to the fastening component for storing a prefabricated platform which can be placed / placed on the console.
  • the invention relates to a platform system with at least one precast platform and with the above-mentioned platform storage system.
  • precast platforms in particular main and intermediate platforms
  • shaft walls in particular stairwell walls, which are made of reinforced concrete.
  • rebend connections are usually used, which have at least one steel rod cast in concrete as a fastening component, which initially protrudes only slightly from the stairwell wall and is pre-bent by the stairwell wall after the latter has been produced. Subsequently, concrete is poured around the steel bar to form the main or intermediate platform.
  • main or intermediate platforms are to be used as visible parts, these are built as prefabricated parts for manufacturing reasons and later let into the stairwell.
  • brackets are retrofitted to the Concrete is concreted on the stairwell wall and serves as a support for the precast platforms.
  • the brackets must be created in small parts with a high amount of reinforcement and concreting either floor by floor after laying the respective precast platforms.
  • a platform storage system and a console of the type mentioned are already known.
  • a steel girder is screwed onto a shaft wall as a console.
  • a platform storage system is already known, in which a precast platform can be arranged on a bracket that can be attached to a shaft wall.
  • a platform storage system with a console which can be made of reinforced concrete or a steel shell beam.
  • the invention has for its object to provide a pedestal storage system, a pedestal system and a console that allow easy manufacture and assembly of a precast platform, in particular a precast staircase.
  • the object on which the invention is based is achieved with a platform storage system with the features of claim 2 and with a console with the features of claim 1.
  • the platform storage system according to the invention has the advantage that the console can be manufactured in advance and can also be arranged as a prefabricated component on the stairwell wall. On the one hand, this ensures a quick assembly of the console during the construction of a precast staircase, and on the other hand a large number of such consoles can be manufactured inexpensively and yet in the best quality away from the construction site under advantageous conditions that ensure a high level of safety and resilience of each console.
  • the platform storage system is characterized in that the prefabricated console has a T-shaped or L-shaped steel beam, which has a fastening belt for fastening to the fastening component integrated in the shaft wall and a carrier belt oriented perpendicular to the fastening belt, and in that the steel carrier for Forming the prefabricated console is encapsulated with concrete in such a way that the fastening belt protrudes from the concrete casting and the concrete casting has a contact surface for supporting the precast platform.
  • the contact surface is thus made available as usual by concrete casting.
  • a steel girder is integrated in the concrete cast, which has two belts that are vertical are aligned with each other, one belt being designed as a fastening belt for fastening to the stairwell wall and the other belt as a carrier belt for substantially absorbing the bearing forces of the stair landing.
  • the console is prefabricated by pouring the concrete over the steel girder, so that the concrete casting is already present on the steel girder before the console is installed and is arranged on the shaft girder by fastening the console to the shaft wall.
  • the console is thus prefabricated or pre-assembled and fastened to the shaft wall as a prefabricated component already having the concrete cast.
  • the contact surface of the concrete casting is in particular parallel to the carrier belt in order to ensure an advantageous power transmission.
  • the fastening belt protrudes from the concrete casting, this can be easily connected to the fastening component in the stairwell wall.
  • the console can thus be manufactured or manufactured in advance and assembled on site on the shaft wall, so that the steel girder cannot be subsequently concreted in.
  • the fastening belt and the fastening component can be or are mechanically connected to one another by a further fastening means.
  • the fastening means is a fastening screw.
  • the fastening belt has at least one screw opening
  • the fastening component is designed as a sleeve rod arranged in the shaft wall, which has at one end a threaded bushing with an internal thread for a fastening screw guided / guided through the screw opening of the fastening belt having.
  • the sleeve rod thus ends on the side surface of the shaft wall facing the console, so that the fastening screw can be screwed into the sleeve rod or into the internal thread.
  • the stairwell wall has an opening in which the socket rod with the internal thread lies and which is accessible from the outside.
  • the console can thus be fastened to the fastening component in a simple manner by inserting the fastening screw through the screw opening and into the internal thread and screwing it to it.
  • the screw opening of the fastening belt is expediently located on a concrete-free section of the steel girder or the fastening belt.
  • the concrete casting has at least one recess at least in the area of the at least one screw opening.
  • the recess ensures that the screw in the screw opening can be inserted and screwed to the socket rod.
  • the screw can be passed through the screw opening before the bracket is concreted in and subsequently held captively on the bracket by the concrete casting.
  • the cutout in the area of the screw opening then ensures that a tool can be brought up to the screw in order to screw it firmly into the internal thread.
  • the cutout remains free in the connection, so that the screw connection can also be released again at any time.
  • the recess is filled with a filler after the screw connection has been tightened, that is to say with the fastening screw screwed into the threaded bushing. This increases the surface area of the concrete for the stair landing, secures the screw and improves fire protection.
  • concrete is used as filler.
  • other fillers for filling the recess are also conceivable.
  • the at least one screw opening and thus also the cutout lie on the shaft wall at the top, so that filling the cutout with concrete or another at least initially flowable filler is easily possible after the console has been fastened to the shaft wall.
  • the recess is trough-shaped, so that the still flowable filler is held securely in the recess and can harden there.
  • the shaft wall has a recess into which the console, in particular the fastening belt, can be inserted / inserted at least in some areas.
  • the recess simplifies the arrangement of the fastening belt and thus the console on the shaft wall.
  • the contour of the recess corresponds to the shape of the console, in particular that of the fastening belt.
  • the recess also offers the possibility that the console can be positively supported on the shaft wall in the direction of the load.
  • there is an installation template which is adapted on the one hand to the depression and on the other hand to the console in order to ensure a secure and advantageously play-free or almost play-free seat of the console on the shaft wall.
  • the installation template is only provided for creating the recess in the shaft wall, the template, in particular for receiving a plurality of threaded bushings, having a plurality of openings in order to align and orient them in the recess, so that the arrangement of the threaded bushings follows the arrangement of a plurality of screw openings on the console respectively corresponds to the fastening belt and thus an advantageous mounting of the console on the shaft wall is guaranteed.
  • the installation template is preferably removed before the console is attached to the shaft wall.
  • the fastening belt is arranged in the recess at least in height. This allows the position and, if necessary, the alignment of the console on the shaft wall to be adjusted, for example to compensate for or compensate for manufacturing or manufacturing tolerances.
  • a suitable alignment of the console to in particular a plurality of fastening bushings arranged in the recess is possible, so that a plurality of fastening screws which are each guided through a screw opening in the fastening belt can be screwed / screwed to each of the threaded bushings.
  • the at least one screw opening is designed as an elongated hole opening.
  • the fastening belt has a plurality of screw openings which are arranged at a distance from one another and through which a screw can be passed / passed in order to be screwed into a corresponding internal thread of a respective socket rod in the shaft wall.
  • the one or more sleeve rods are in particular curved to ensure maximum resilience.
  • the respective socket rod is arranged in the intended arrangement such that the end having the internal thread is at least substantially perpendicular to the other end of the socket rod, the other end of the socket rod pointing downward in the shaft wall when arranged as intended.
  • the depression has at least one insertion slope for the console, in particular for the fastening belt.
  • the console or the fastening belt or the installation template is automatically aligned in the recess by the insertion bevel.
  • the lead-in chamfer ensures that the fastening belt can be simply inserted into the recess.
  • All side surfaces of the depression are particularly preferably designed as insertion bevels or have an insertion bevel, so that through the depression in addition, an automatic centering of the fastening material or the bracket is aligned with respect to the at least one fastening component located in the region of the depression, in particular with respect to the threaded bushing. If the installation template is only used to produce the recess and for aligning the threaded bushings and removed again before the console is attached, the insertion bevel also serves as a demoulding bevel, which allows the installation template to be easily removed.
  • the depression has an in particular horizontally oriented supporting surface, on which the console can be placed / placed at least with the fastening belt.
  • the horizontally aligned wing enables the previously mentioned support of the console or the fastening belt in the direction of loading, so that it is positively supported on the shaft wall, which increases the load-bearing capacity of the platform storage system.
  • the screw opening is designed as an elongated hole opening, it is ensured that the bracket with the fastening belt can be displaced into the recess up to the supporting surface, so that the loading forces are actually transmitted positively into the shaft wall.
  • the screw connection then essentially only prevents the console from tipping out of the recess.
  • the screw openings on the fastening belt are / are preferably formed / arranged as far apart as possible from the lower edge of the fastening belt which can be placed / placed on the supporting surface, so that the greatest possible leverage effect is achieved.
  • the fact that the bracket rests on the wing reduces the load requirements on the screw connections, which means that, compared to brackets that are held on a wall solely by screw connections, smaller-sized screw connections that are reduced in number are sufficient.
  • the fastening belt on the side facing away from the carrier belt has at least one holding projection which can be inserted / pushed into a receptacle of complementary design in the shaft wall.
  • the fastening belt thus has on its side facing / facing the shaft wall a retaining projection which can be inserted into a complementary receptacle of the shaft wall.
  • the at least one receptacle and / or the at least one projection have a wedge-shaped longitudinal section in order to ensure easy insertion and centering with respect to one another.
  • the wedge shape ensures that an essentially play-free connection between the holding projection and the receptacle can be produced, which ensures a corresponding essentially play-free fastening / arrangement of the console on the shaft wall.
  • the retaining projection is designed as a retaining web, which extends over the entire length of the fastening belt, so that even high forces can be transmitted from the console to the shaft wall via the fastening belt.
  • the steel beam has at least one stiffening rib which connects the fastening belt to the carrier belt and / or at least one stiffening bracket which at least partially rotates around the carrier belt.
  • the stiffening rib stabilizes the steel beam and increases its resilience.
  • the steel girder has a plurality of stiffening ribs which are evenly spaced from one another and which, in particular, run in a wedge shape from the fastening belt to the girder belt.
  • the stiffening ribs when the console is arranged as intended, lie on the shaft wall below the carrier belt in order to ensure maximum load-bearing capacity of the console.
  • the at least one stiffening bracket also serves to stabilize the steel girder and the concrete casting.
  • a plurality of stiffening brackets are preferably arranged parallel to one another on the steel support.
  • the stiffening bracket (s) completely or almost completely run around the carrier belt at a distance from the carrier belt, so that the carrier belt lies in a loop of the stiffening bracket.
  • the stiffening bracket is surrounded by the cast concrete in the prefabricated bracket.
  • the stiffening bracket projects in sections from the concrete casting, so that the fastening bracket is also accessible in sections on the prefabricated console.
  • the one or more stiffening brackets are used so that a horizontal reinforcement can be inserted between them.
  • the carrier belt and / or the at least one stiffening rib each have at least one opening filled with concrete from the concrete casting. Due to the concrete-filled breakthrough, the stability and resilience of the Overall console increased. In addition, the combination of concrete and steel girder is guaranteed to be form-fitting, so that a high load-bearing capacity and safety are provided.
  • the platform system according to the invention with the features of claim 14 is characterized by at least one platform and the storage system according to the invention.
  • the platform system designed in this way is easy to install on site and inexpensive to manufacture. Further advantages and preferred features result in particular from what has been described above and from the claims.
  • the pedestal has a receiving recess for receiving the prefabricated console, the receiving recess being at least substantially complementary to the concrete casting of the prefabricated console.
  • the complementary design of the concrete casting and exception recess has the particular advantage that even if one of the screw connections or all screw connections should not hold and the bracket rests on the wing of the recess, the bracket will tilt a little, but not out of the way Depression can emerge so that the platform is still held securely. Due to the complementary design of the concrete casting and the recess, the concrete casting in the recess can not be pivoted or can only be swiveled a little before the concrete is tilted in the recess and prevents the bracket from rotating further.
  • the concrete casting has a square or rectangular cross section in order to ensure secure tilting when loosening the screw connection (s).
  • the prefabricated console according to the invention with the features of claim 1 is characterized in that it has a steel girder, which has a fastening belt for fastening to a fastening component of a shaft wall and a girder belt oriented perpendicular to the fastening belt, and in that the steel girder is encapsulated with concrete in this way that the fastening belt protrudes from the concrete cast and that the concrete cast has a support surface for supporting a precast platform.
  • Figures 1A to 1C show in different views of a pedestal bearing system 1 a steel beam 2 which has a fastening belt 3 and a carrier belt 4.
  • the carrier belt 4 is aligned perpendicular to the fastening belt 3 and in particular is formed in one piece with the fastening belt 3. This results in a T-shaped cross section of the steel beam 2.
  • an L-shaped cross section is also conceivable.
  • Figure 1A shows a steel beam 2 in a perspective top view.
  • Figure 1B shows the steel beam in a plan view perpendicular to the fastening belt 3 and
  • Figure 1C shows a top view perpendicular to the carrier belt 4.
  • the fastening belt 3 has, above the carrier belt 4, a plurality of screw openings 5 arranged at the same height or at the same distance from the carrier belt 4, each of which is designed as an elongated hole opening, the elongated hole openings extending perpendicularly to the carrier belt 4 with their long side.
  • the fastening belt 3 On the side facing the screw openings 5 or below the carrier belt 4, the fastening belt 3 also has a plurality of stiffening ribs 6 arranged in a distributed manner, which extend in a wedge shape from the fastening belt 3 to the carrier belt 4, as also in FIG Figure 1A seen. In the present case there are four screw openings 5 and four stiffening ribs 6. Of course, depending on the application, more or fewer screw openings 5 and / or stiffening ribs 6 can also be formed.
  • the carrier belt 4 is provided with a plurality of distributed openings 7, which in the present case are circular Openings are formed and their function will be discussed in more detail later.
  • the stiffening ribs 6 each have an opening 8, which is also designed as a circular opening.
  • Figures 2A and 2B show the steel beam 2 of the pedestal bearing system 1 in a sectional view along the line AA Figure 1B ,
  • the steel girder 2 is now provided with a concrete casting 9 or with a concrete encircling the girder belt 4.
  • the concrete casting 9 has a substantially rectangular outer cross section or a block-like shape, the height H of which corresponds to the height of the fastening belt 3 and the width B of which is wider than the carrier belt 4, so that the free end face of the latter also from that Concrete casting 9 is surrounded.
  • the concrete casting 9 also penetrates the openings 7, as a result of which a particularly firm, form-fitting hold of the concrete casting 9 on the carrier belt 4 is achieved.
  • the concrete casting 9 also penetrates the openings 8 of the stiffening ribs 6.
  • the concrete casting 9 has two recesses which extend along the fastening belt 3 over two of the screw openings 5, so that the screw openings 5 are also freely accessible from the side of the carrier belt 4.
  • the cutouts 10 extend as far as the carrier belt 4, whereby according to an alternative exemplary embodiment it can also be provided that the concrete casting 9 extends over the carrier belt 4 completely but at a distance from the screw openings 5, and the cutouts 10 are less so deep and not designed to reach the carrier element 4.
  • the concrete casting 9 forms, together with the steel support 2, a bracket 11 for the platform storage system 1, which serves to store a precast platform, in particular an intermediate platform or a main platform of a precast staircase.
  • the concrete casting 9 has on its upper side 12 a flat bearing surface 13 for the precast platform, which extends parallel to the carrier belt 4 and beyond it.
  • the concrete casting 9 thus essentially surrounds the carrier belt 4, while the fastening belt 3 protrudes from the concrete casting 9 and is essentially free of it. Only on the side of the carrier belt 4 does the concrete cast reach up to the side surface of the fastening belt 3.
  • the console 11 can be delivered prefabricated to the construction site and, in so far, can be manufactured away from a construction site at which it is to be used for assembling a precast staircase. This results in advantageous manufacturing conditions for the console 11, which can be prefabricated under optimal and repeatable conditions as a mass product and delivered to the installation site.
  • Figure 3 shows in a perspective exploded view the pedestal storage system 1 with a bracket 11 designed as described above and a shaft wall 12, for example stairwell wall, to which the bracket 11 is to be attached for storage of a stair landing.
  • the shaft wall 12 has a recess 13 which extends horizontally over the shaft wall 12, the recess 13 having a height h which is greater than the height H of the fastening belt 3.
  • a plurality of curved sleeve rods 14 are embedded or concreted in the shaft wall 12 which each have a threaded bushing 15 with an internal thread 16 at their free end.
  • the threaded bushes 15 are flush with the bottom 17 of the recess 13, so that they do not protrude above.
  • the other end of the respective sleeve rod 14 is curved downward in the shaft wall 12 by approximately 90 °.
  • the sleeve rods 14 are arranged so distributed that the internal threads 16 are spaced from each other at a height such that their arrangement corresponds to the arrangement of the screw openings 5 in the fastening belt 3 with respect to one another, so that when the bracket 11 enters the recess with the fastening belt 3 is or was used according to the arrows 18, the screw openings 5 are aligned with the internal threads 16.
  • Figures 4A and 4B each show in a cross-sectional representation the assembly of the platform storage system 1.
  • Figure 4A shows the pedestal storage system 1 in an exploded view or the assembly of the individual parts
  • Figure 4B shows the fully assembled platform storage system 1.
  • the recess 13 has an insertion bevel 19 on its upper side flank and a horizontal contact surface 20 on its lower side flank.
  • the fastening belt 3 form fit or put on, which makes the resilience of Pedestal storage system 1 is increased.
  • an installation template 21 is or is arranged between the console 11 and the shaft wall 12, which allows the console 11 to be easily fitted into the recess 13.
  • the installation template 21 has an outer contour corresponding to the recess 13, so that it can be inserted into the recess 13 with a precise fit.
  • the installation template 21 has openings which are arranged in relation to one another in accordance with the threaded bushings.
  • the installation template 21 On its side facing the bracket 11, the installation template 21 has a depression 22 which is designed to receive the bracket 11, in particular the fastening belt 3, in regions.
  • the installation template 21 is designed such that it receives the console 11 at least essentially without play and can be preassembled thereon.
  • the bracket 11 is then preferably inserted into the recess 13 together with the installation template 21, the insertion bevel 19 ensuring easy insertion and at the same time aligning the bracket 11 with respect to the internal thread 16, so that the screw openings 5 are then flush with the internal threads 16 ,
  • the screw openings 5 By designing the screw openings 5 as slot openings, manufacturing and assembly tolerances can be compensated for in a simple manner.
  • the installation template 21 is preferably conical, so that it can easily be switched off and reused.
  • the installation template 21 is preferably used in the manufacture of the shaft wall 12 to align the sleeve rods 14 and removed again before the console 11 is inserted.
  • the above-mentioned openings in the installation template 21 are preferably designed to receive the threaded bushings in regions, in particular radially free of play or almost free of play, in order to align them in the manufacture of the shaft wall in accordance with the arrangement of the screw openings 5.
  • FIG. 4B shows, as already mentioned, the assembled platform storage system 1 with one bracket 11 and previously removed installation template 21, the bracket 11 being inserted into the recess 13 of the shaft wall 12.
  • a fastening screw 23 is guided through each screw opening 5 for fastening the bracket 11 to the shaft wall 12, so that its screw head rests on the fastening belt 3 and its threaded shaft is screwed into the internal thread 16.
  • the recesses 10 are preferably subsequently filled with a filling compound 24, the same concrete mixture that was also used to produce the concrete casting 9 preferably being used as the filling compound.
  • the support surface 13 for a precast platform 25 to be carried is enlarged.
  • the platform 25 can finally be placed on the console 11 directly or with the interposition of a damping element 26, as by arrows in Figure 4B indicated.
  • the platform storage system 1 forms, together with the precast platform 25, a platform system, in particular for precast stairs.
  • the platform system expediently has several of the consoles and several of the prefabricated platforms.
  • FIG. 4B shows the precast platform 25, this preferably has a receiving recess 27 for receiving the bracket 11, in particular the concrete casting 9.
  • the recess 27 is complementary to the concrete casting 9, so that the recess 27 has a rectangular cross section.
  • the console 11 is then preferably at least essentially free of play in the receiving recess 27.
  • the bracket 11 in the recess 13 can only be pivoted by the weight of the platform 25 until the concrete casting 9 is tilted in the receiving recess 27. A falling through of the precast platform 25 is therefore not possible because the weight is still transmitted through the bracket 11 to the support surface 20 in the shaft wall 12.
  • a mortar compound 28 is used above and below the bracket 11 in the region of the depression 13, which closes the gap between the bracket 11 and the side edges of the depression 13.
  • the hold of the bracket 11 in the recess 13 is further increased, in particular, concrete-free areas of the fastening belt 3 are covered and the fire protection is improved. Due to the mortar 28 provided on the underside of the bracket 11, the support surface 20 for supporting the bracket 11 is formed in this case.
  • the fastening belt 3 has, on its side facing away from the carrier belt 4, a holding projection 29 which is essentially complementary to a receptacle 30 in the shaft wall 12, so that the Fastening strap 3 with the retaining projection 29 can be inserted or inserted into the receptacle 30, as in FIG Figure 4B shown.
  • At least the receptacle 30 is preferably wedge-shaped, so that the holding projection 29 can be inserted easily and can be fixed in a form-fitting manner by means of the receptacle 30 and can be centered and fixed. This makes it possible to dispense with the support surface 20, which is then ultimately formed by the holding projection 29.
  • the recess 13 can be dispensed with and the bracket 11 can also be arranged on a flat side wall of the shaft wall 12.
  • the concrete casting 9 preferably also encloses the upper and lower edges and side edges of the fastening belt 3, so that only the side facing the shaft wall 12 with the retaining projection 29 is free of concrete casting.
  • Figures 5A and 5B show a further embodiment of the bracket 11, without the concrete casting 9.
  • the steel beam 2 is L-shaped, and that in addition to the stiffening ribs 6, a plurality of stiffening brackets 31 are arranged on the steel beam 2.
  • FIG 5A shows a side view of the console 11, in which the course of the stiffening bracket 31 can be clearly seen.
  • the respective stiffening bracket 31 surrounds the carrier belt 4 almost completely and is arranged essentially at a distance from it.
  • the stiffening bracket 31 runs almost annularly.
  • one end of the stiffening bracket 31 is assigned to the fastening belt 3, so that a first section 32 of the stiffening bracket 31 extends parallel to and at a distance from the carrier belt 4.
  • a subsequent second section 33 of the stiffening bracket 31 runs perpendicular to the section 32 and parallel to the fastening belt 3, so that the section 33 extends beyond the carrier belt 4.
  • the section 33 is followed by a further section 34, which in turn runs parallel to the carrier section 4 in the direction of the fastening belt 3.
  • the section 34 ends in front of the fastening belt 3 and merges into a section 35 which extends perpendicular to the carrier section 4 parallel to the fastening belt 3 and ends at the underside of the carrier belt 4.
  • the carrier belt 4 thus lies almost completely in the presently rectangular loop of the respective stiffening bracket 31.
  • the stiffening bracket 31 can also have, for example, a circular, triangular or oval shape.
  • Figure 5B shows a perspective view of the bracket 11 with the plurality of stiffening ribs 6 and stiffening brackets 31 arranged thereon.
  • the additional stiffening bracket 31 connects the steel girder 2 and the concrete casting 9, the in Figures 5A and 5B is not shown, improved.
  • the horizontal reinforcement is expediently inserted into the stiffening bracket 31.
  • the stiffening brackets 31 can also be present on a T-shaped steel support 2, as shown in the previous exemplary embodiments.
  • the platform storage system 1 expediently has a multiplicity of the brackets 11 which can be attached to at least two shaft walls 12 which are opposite or at an angle to one another in the manner described above. This makes it possible to assemble a precast staircase in a short time in a stairwell by first fastening the brackets 11 for an intermediate or main platform of the stairs to the shaft walls 12, as described above, and then the intermediate or main platform on the brackets 11 is launched. Then one or more additional brackets 11 are arranged and fastened to the shaft wall 12 for the intermediate or main platform above it, and then the intermediate or main platform is placed on the fastened brackets 11.
  • brackets 11 Due to the prefabricated brackets 11, these can be attached to the shaft wall 12 in a short time, which means that the stairs can be installed quickly.
  • the respective shaft wall 12 can be created in one go; it is not necessary to build up the shaft wall in stages. Instead, the respective brackets 11 are attached in stages.
  • the assembly of the brackets 11 and the platforms can be carried out, for example, by means of a lifting platform after completion of a stairwell core.
  • the precast platforms can be moved in parallel to the precast stair runs.
  • the use of a crane for moving the elements is reduced to less than one day per staircase in a normal apartment building. In addition, building cranes no longer have to be designed for the heaviest component, namely the stair flights.
  • the use of short mobile crane operations can reduce the availability of larger and therefore expensive tower cranes to lighter and therefore cheaper tower cranes.
  • the construction processes are accelerated by the prefabrication and pre-assembly of the brackets 11 of the platform storage system 1.
  • the quality of the individual components and ultimately also the occupational safety are increased by the advantageous design of the platform storage system 1.

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Claims (15)

  1. Console (11) préfabriquée pour un système de support de plat-forme (1), comprenant une poutrelle d'acier (2), qui comporte une sangle de fixation (3) pour la fixation sur un composant de fixation dans une paroi de puits (12) et une sangle de support (4) orientée en particulier perpendiculairement à la sangle de fixation (3), caractérisée en ce que la poutrelle d'acier (2) est entourée de béton de telle façon que la sangle de fixation (3) dépasse de l'élément en béton coulé (9) et l'élément en béton coulé (9) comporte une surface de support (13) pour le support d'une plat-forme préfabriquée.
  2. Système de support de plat-forme (1) pour plat-formes préfabriquées, comprenant au moins une paroi de puits (12), qui porte au moins un composant de fixation, et comprenant au moins une console (11) qui est / peut être fixée sur le composant de fixation pour le support d'une plat-forme préfabriquée (25), qui est / peut être placée sur la console (11), caractérisé en ce que la console (11) préfabriquée est réalisée selon la revendication 1, la poutrelle d'acier (2) étant en forme de T ou en forme de L et le composant de fixation étant intégrée dans la paroi de puits (12).
  3. Système de support de plat-forme selon la revendication 2, caractérisé en ce que la sangle de fixation (3) comporte au moins un orifice pour vis (5), et en ce que le composant de fixation est réalisée sous la forme d'une tige du manchon (14) disposée dans la paroi de puits (12), qui comporte, à une extrémité, une douille filetée (15) dotée d'un filet intérieur (16) pour une vis de fixation (23) du système de support de plat-forme (1), laquelle est / peut être guidée à travers l'orifice pour vis (5) de la sangle de fixation (3).
  4. Système de support de plat-forme selon l'une des revendications 2 et 3, caractérisé en ce que l'élément en béton coulé (9) comporte au moins un évidement (10) au moins dans la zone de l'au moins un orifice pour vis (5).
  5. Système de support de plat-forme selon la revendication 4, caractérisé en ce que l'évidement (10) avec la vis de fixation (23) vissée dans la douille filetée (15) est rempli d'une matière de remplissage (24), en particulier du béton.
  6. Système de support de plat-forme selon l'une des revendications précédentes 2 à 5, caractérisé en ce que la paroi de puits (12) comporte un creux (13), dans lequel la sangle de fixation (3) est / peut être placée au moins en partie.
  7. Système de support de plat-forme selon la revendication 6, caractérisé en ce que la sangle de fixation (3) est disposée dans le creux (13) de manière déplaçable au moins en hauteur.
  8. Système de support de plat-forme selon l'une des revendications précédentes 3 à 7, caractérisé en ce que l'au moins un orifice pour vis (5) est réalisé sous la forme d'un orifice en forme de trou oblong.
  9. Système de support de plat-forme selon l'une des revendications précédentes 6 à 8, caractérisé en ce que le creux (13) comporte au moins un chanfrein d'introduction (19).
  10. Système de support de plat-forme selon l'une des revendications précédentes 6 à 9, caractérisé en ce que le creux (13) comporte une surface portante (20) orientée en particulier horizontalement, sur laquelle la console (11) est / peut être posée au moins avec la sangle de fixation (3).
  11. Système de support de plat-forme selon l'une des revendications précédentes 2 à 10, caractérisé en ce que la sangle de fixation (3) comporte, sur son côté orienté dans la direction opposée à la sangle de support (4), au moins une saillie de retenue (29), qui est / peut être insérée dans un logement (30), réalisé de manière complémentaire à celle-ci, dans la paroi de puits (12).
  12. Système de support de plat-forme selon l'une des revendications précédentes 2 à 11, caractérisé en ce que la poutrelle d'acier (2) comporte au moins une nervure de renforcement (6), qui relie la sangle de fixation (3) à la sangle de support (4), et/ou au moins un étrier de renforcement (31), qui fait le tour, au moins en partie, de la sangle de support (4).
  13. Système de support de plat-forme selon l'une des revendications précédentes 2 à 12, caractérisé en ce que la sangle de support (4) et/ou l'au moins une nervure de renforcement (6) comportent au moins une ouverture (7, 8) remplie de béton de l'élément en béton coulé (9).
  14. Système de plat-forme pour la construction en éléments préfabriqués, comprenant au moins une plat-forme préfabriquée et un système de support de plat-forme (1) selon l'une des revendications 2 à 13.
  15. Système de plat-forme selon la revendication 14, caractérisé en ce que la plat-forme préfabriquée (25) comporte un évidement de réception (27) pour recevoir la console (11) préfabriquée, l'évidement de réception (27) étant réalisé de manière au moins sensiblement complémentaire à l'élément en béton coulé (9) de la console (11) préfabriquée.
EP16188999.3A 2015-09-15 2016-09-15 Système de support de plate-forme, système de plate-forme, console Active EP3144445B1 (fr)

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DE202015104896.3U DE202015104896U1 (de) 2015-09-15 2015-09-15 Podestlagersystem, Podestsystem, Konsole

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EP3144445A1 EP3144445A1 (fr) 2017-03-22
EP3144445B1 true EP3144445B1 (fr) 2020-01-01

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CN116289973B (zh) * 2023-02-09 2025-10-17 中建丝路建设投资有限公司 一种深基坑预制混凝土腰梁安装设备及使用方法

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FI42246B (fr) * 1968-12-05 1970-03-02 L Jaemsae
DE3201230C2 (de) * 1982-01-16 1994-02-17 Arbeitskreis Vorgefertigte Mas Treppenpodest als Betonfertigteil
US4893442A (en) * 1985-11-13 1990-01-16 Duraflite, Inc. Stairway apparatus and method of manufacture
JPH09328876A (ja) * 1996-06-07 1997-12-22 Fujiki Komuten:Kk 組立階段

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DE202015104896U1 (de) 2015-11-10

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