EP4219864A1 - Appui d'agencement temporaire entre deux composants de bâtiment destiné à la répartition des charges dans les composants de bâtiment - Google Patents

Appui d'agencement temporaire entre deux composants de bâtiment destiné à la répartition des charges dans les composants de bâtiment Download PDF

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Publication number
EP4219864A1
EP4219864A1 EP22154339.0A EP22154339A EP4219864A1 EP 4219864 A1 EP4219864 A1 EP 4219864A1 EP 22154339 A EP22154339 A EP 22154339A EP 4219864 A1 EP4219864 A1 EP 4219864A1
Authority
EP
European Patent Office
Prior art keywords
support
support unit
unit
section
fixing device
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.)
Pending
Application number
EP22154339.0A
Other languages
German (de)
English (en)
Inventor
Stefan GÖTZ
Markus Kurz
Xiaofeng Tang
Thomas KÜHNER
Martin Zwifka
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.)
Ed Zueblin AG
Original Assignee
Ed Zueblin AG
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 Ed Zueblin AG filed Critical Ed Zueblin AG
Priority to EP22154339.0A priority Critical patent/EP4219864A1/fr
Publication of EP4219864A1 publication Critical patent/EP4219864A1/fr
Pending 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
    • E04G25/00—Shores or struts; Chocks
    • E04G25/02—Shores or struts; Chocks non-telescopic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • B66C23/201—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided from above, e.g. by ceilings of buildings

Definitions

  • the invention relates to a support for temporary arrangement between two building components for dissipating loads in the building components of the type specified in the preamble of claim 1.
  • the object of the invention is to provide a support of the generic type that can be dismantled without destroying it.
  • the support comprises a first support unit, a second support unit and a fixing device for the detachable connection of the first support unit to the second support unit.
  • the first support unit has the first connection device for connection to a first building component
  • the second support unit has a second connection device for connection to a second building component.
  • connection devices In the installed state with support units fixed to building components, at least one of the connection devices, in particular the first connection device, is advantageously to be detached in addition to the fixing device.
  • the first support unit Due to the mobility of the first support unit in the longitudinal direction of the support, the first support unit can also be dismantled non-destructively when there is a load on the support when the fixing device is fixed.
  • the mobility of the first support unit in the longitudinal direction of the support allows the overall length of the support to be reduced and the support unit to be slightly removed from the first building component and thus dismantled without contact with the first building component, ie for example without acting frictional forces.
  • Such supports are used, for example, to derive horizontal anchoring loads into the building components.
  • the horizontal forces acting on the support can be, for example, in the order of approximately up to 1,000 kN in the case of tall cranes. High loads can also occur in other applications.
  • the support must therefore be designed to be correspondingly stable and is heavy. Due to the fact that the first support unit is movable in the longitudinal direction of the support relative to the second support unit, the support can thus be removed from the first building component be that, for example, canting of the first support unit during disassembly relative to the first building component can be avoided in a simple manner.
  • Such supports can also be advantageous for other applications for absorbing and dissipating horizontal loads.
  • the absorption and dissipation of loads that act in a direction inclined to the horizontal can also be provided.
  • the building components can be building ceilings that run one above the other, in particular horizontally.
  • the support When installed between two building ceilings, the support is advantageously arranged vertically.
  • the building components can alternatively be walls that run next to each other, in particular vertically.
  • the support is advantageously arranged horizontally when installed between two walls. An inclined installation between two building ceilings or two building walls can also be provided.
  • the fixing device can be detached in a non-destructive manner.
  • the fixing device can include, in particular, screw connections.
  • the first support unit When the fixing device is released, the first support unit is advantageously movable relative to the second support unit by at least 2 cm, in particular by at least 4 cm, in the longitudinal direction of the support relative to the second support unit. It has been shown that reducing the height of the support by a few centimeters is usually sufficient for non-destructive dismantling.
  • the mobility of the first support unit relative to the second support unit is preferably less than 10 cm.
  • the mobility of the first support unit in the longitudinal direction of the support relative to the second support unit can be achieved in a simple manner if between the first support unit and a longitudinally overlapping portion of the second support unit with the first support unit, a distance is formed which allows the movement of the first support unit in the longitudinal direction of the support.
  • the distance is advantageously at least 2 cm, in particular at least 4 cm.
  • the two support units can protrude into one another in the manner of a telescope.
  • a connection of the support units via a threaded connection can be advantageous, in particular when the horizontal forces to be absorbed are comparatively low.
  • Other configurations can also be advantageous.
  • a simple design is achieved when the first support unit protrudes into a receptacle in the second support unit.
  • the distance is advantageously between an end face of the first support unit and a bottom of the receptacle.
  • the fixing device is advantageously designed to fix the first support unit in a clamping manner.
  • the clamping takes place in particular in a direction transverse, preferably perpendicular to the longitudinal direction of the support.
  • the forces acting on the support are transmitted via the fixing device.
  • Significant vertical loads preferably do not act on the support, so that significantly lower forces have to be transmitted between the support units in the longitudinal direction of the support than in the transverse direction of the support.
  • the fixing device advantageously comprises at least one fixing screw, in particular a plurality of fixing screws, which bear against the first support unit and clamp it.
  • a fixing device with only one fixing screw can clamp the support against the opposite side of the second support unit. In principle, therefore, an embodiment with only one fixing screw is also possible.
  • several, in particular a large number of, fixing screws are preferably provided. Preferred are the Fixing screws on opposite sides of the first support unit and clamp them on both sides.
  • At least two fixing screws are provided, which clamp the first support unit in two directions running at an angle to one another.
  • the two directions running at an angle to one another preferably run perpendicular to one another and perpendicular to the longitudinal direction of the support. This achieves secure clamping in both horizontal spatial directions.
  • the second support unit can have a corresponding thread through which the fixing screw protrudes to the first support unit.
  • the fixing device can comprise castable, hardening material, for example mortar.
  • a space between the support units can be filled with the castable material. After curing, the support units are firmly connected to each other. To release the fixture, the castable material is removed.
  • At least one support unit in particular the first support unit, is reinforced in the longitudinal section in which the fixing device acts.
  • the reinforcement can take place, for example, by means of reinforcement plates running horizontally and/or vertically.
  • the first support unit is stiffened in a box shape in the longitudinal section in which the fixing device acts.
  • a different configuration of the reinforcement can also be advantageous.
  • the first support unit consists of at least two support sections which are detachably connected to one another.
  • the weight of the individual support sections is reduced compared to a first support unit consisting of a single support section. This simplifies the transport.
  • a design made up of at least two support units which are detachably connected to one another also enables the length of the support to be easily adapted to different storey heights.
  • a support section with a constant length that is reusable is particularly preferably provided. The length of a second support section is advantageously adapted to the respective installation situation and can then be reused if installation at a corresponding storey height is planned. Otherwise, the second strut section can be replaced with a strut section of suitable length.
  • a first support section has a first length and a second support section has a second length, the second length being shorter than the first length.
  • the first support section with the greater length is preferably intended for reuse.
  • the first support section preferably has the first connection device, and the second support section can be connected to the second support unit via the fixing device. However, it can also be provided that the first support section can be connected to the second support unit via the fixing device. Due to the fact that the support sections have different lengths, one of the support sections advantageously extends beyond the middle of the support.
  • a bracing fixture can preferably be fixed to the support over the entire length of the first support unit, advantageously at least up to the center of the support. Depending on the intended height of the anchoring fixture, the first support section can be arranged below or above the second support section. As a result, the support can be used for any desired height of the anchoring fixation.
  • At least one section of the support is formed by a steel girder, preferably by a double-T girder (I girder).
  • I girder double-T girder
  • a different design of the support can also be advantageous.
  • a rectangular cross section of the support can also be advantageous.
  • Other cross-sectional shapes, for example tubular or round cross-sections, can also be used.
  • the support can advantageously consist of steel.
  • the support preferably consists at least partially of a steel of increased strength, in particular of steel with a yield point R e of at least 460 N/mm 2 .
  • at least one steel girder of the support consists of steel of increased strength.
  • the support is advantageously designed in such a way that all sections of the support, which are formed by steel girders, can be dismantled without being destroyed.
  • the support can also include other materials.
  • At least one section of the support is advantageously made of fiber-reinforced material, for example glass-fiber-reinforced or carbon-fiber-reinforced material.
  • Other composite materials can also be provided for the support.
  • connection device advantageously has a connection plate with screw openings for fixing the connection device in place.
  • the connection device can be fixed to a load introduction device of the building in a simple manner.
  • the load introduction device can, for example, be a fastening plate anchored in the concrete of the floor slab.
  • the load introduction device in the building and the connection device of the support can be suitably designed depending on the application and the loads to be transmitted.
  • the building 1 shows a schematic sectional representation of a section of a building 1.
  • the representation is schematic since not all components shown in section are hatched for the sake of a better overview.
  • the building 1 is preferably a tall building having a multiplicity of floors, which requires a tall crane for erection becomes.
  • the crane is anchored between two parts of the building 2 and 3, for example two floors of the building.
  • a first building component 2 is the floor and a second building component 3 is the ceiling of a storey of the building 1.
  • a support 4 extends between the first building component 2 and the second building component 3.
  • a bracing fixture 26 is fixed to the support 4, which has a connection 28 carries for a guy rod.
  • a guy rod can be fixed to the connection 28, the other end of which is connected to the crane.
  • the support 4 is fixed to the building components 2 and 3 , so that horizontal forces introduced into the support 4 via the bracing fixation 26 can be dissipated into the building components 2 and 3 .
  • the forces to be dissipated can be very high and, in the case of tall cranes, can be on the order of up to around 1,000 kN, for example.
  • the support 4 shown can be dismantled non-destructively.
  • the support 4 has a first support unit 5 and a second support unit 6 .
  • the support units 5 and 6 are separate assemblies that can be connected to one another via a fixing device 7 .
  • the first support unit 5 has a first connection device 8 for fixing to the first building component 2 .
  • the second support unit 6 has a second connection device 9 for fixing to the second building component 3 .
  • the connecting device 8 is detachably fixed to a first load introduction device 11 of the first building component 2 .
  • the first load application device 11 can, for example, comprise a plate embedded and anchored in the building component 2 . Any other suitable load introduction device 11 that is suitable for dissipating the forces introduced from the guy rod into the support 4 can also be provided.
  • the second connection device 9 is fixed to a second load introduction device 12 .
  • the second load application device 12 is embedded and anchored in the second building component 3 .
  • the connection devices 8 and 9 connection plates 35 and 38 with screw openings 36 and 39. Fastening screws 37 and 40 project through the screw openings 36 and 39 into the load introduction devices 11 and 12.
  • the support 4 is advantageously provided for vertical installation between the building components 2 and 3.
  • the support 4 has a longitudinal direction 10 which advantageously runs vertically in the installed position.
  • the first support unit 5 is formed by two support sections 17 and 18 .
  • the first support section 17 has a length b measured in the longitudinal direction 10 .
  • the second support section 18 has a length c measured in the longitudinal direction 10 .
  • the second length c is shorter than the first length b.
  • the first connecting device 8 is arranged on the first support section 17 .
  • the anchoring fixture 26 is fixed to the first support section 17 .
  • Guyline fixture 26 may be of any suitable configuration.
  • the anchoring fixture 26 comprises a first plate 27 and a second plate 29 which are arranged on opposite sides of the support 4 .
  • the plates 27 and 29 are firmly connected to one another by means of tie rods 30 projecting through the plates 27 and 29 and by means of clamping nuts 31 screwed onto the tie rod 30 and are thereby fixed in a clamping manner on the support 4 .
  • the plate 27 carries the connection 28 for the guy rod. Due to the clamping fixation of the guy fixation 26, the position of the guy fixation 26 in the longitudinal direction 10 of the support 4 can be selected to suit the installation situation. For this purpose, the anchoring fixation 26 can be moved along the support 4 in the direction of the double arrow 33, ie in the longitudinal direction 10 of the support 4, when the clamping nuts 31 are loosened.
  • the support sections 17 and 18 are detachably connected to one another via a connecting unit 19 .
  • the connection unit 19 includes a connection plate 22 of the first support section 17, a connecting plate 23 of the second support section 18 and connecting screws 20 and connecting nuts 21, via which the two connecting plates 22 and 23 are non-positively connected.
  • the support sections 17 and 18 are essentially formed by steel girders.
  • the steel beams are I-beams 32.
  • the I-beams 32 are also referred to as I-beams.
  • the connection plates 35 and 38 are arranged on the end faces of the I-beam 32 of the first support section 17 .
  • the I-beam 32 of the second support section 18 carries the connection plate 23 on one end.
  • the fixing device 7 acts on the second support section 18.
  • the second support unit 6 forms a receptacle 13 into which the first support unit 5, in the exemplary embodiment the second support section 18 of the first support unit 5, protrudes.
  • the fixing device 7 is arranged on the circumference of the receptacle 13 .
  • the second support section 6 has a height d, which is measured in the longitudinal direction 10 .
  • the height d is comparatively small in the exemplary embodiment.
  • the first support section 5 and the second support section 6 overlap in the area of the fixing device 7 in the longitudinal direction 10.
  • the sum of length b, length c and height d is greater than the total length e of the support 4.
  • the total length e is measured in the longitudinal direction 10. When installed, the total length e corresponds to a storey height, i.e. the distance between building components 2 and 3.
  • the overall length e of the support 4 can be reduced by pushing the first support unit 5 into the second support unit 6 .
  • the overall length e can be reduced if at least one of the connection plates 35 and 38 is detached from the associated building part 2 or 3 .
  • the Figures 2 and 3 show the design of the first support portion 17 in detail. How Figures 2 and 3 show, in the exemplary embodiment, reinforcement plates 25 are provided on the first support section 17 approximately in the middle between the connecting plates 22 and 35 . Other types of reinforcement can also be advantageous. The number and arrangement of reinforcements of the first support section 17 are to be selected appropriately in accordance with the loads that act and are to be intercepted.
  • connection plate 22 has a multiplicity of screw openings 34.
  • connection plate 35 of the first connection device 8 The connection plate 35 also has a large number of screw openings 36.
  • the Figures 8 and 9 show the design of the second support portion 18 in detail.
  • the support section 18 has the connection plate 23, which corresponds to the connection plate 22 ( Figures 4 and 5 ) is designed.
  • the first support unit 5 has an end face 24 that protrudes into the receptacle 13 .
  • Reinforcing plates 16 are provided on the second support section 18 adjacent to the end face 24 .
  • the reinforcement plates 16 are arranged at an angle, in particular perpendicular to the web of the I-beam 32 and to the longitudinal center axis of the I-beam 32 .
  • the longitudinal center axis of the I-beam 32 coincides with the longitudinal direction 10 of the support 4 .
  • Additional reinforcement plates 16 are arranged parallel to the web of the I-beam 32 between the flanges of the I-beam 32 .
  • the reinforcement plates 16 are advantageously arranged in such a way that a box-shaped reinforcement results adjacent to the end face 24 . As a result, a high level of stability of the second support section 18 is achieved in this area.
  • the fixing device 7 has how 10 shows fixing screws 15.
  • the reinforcement plates 16 form contact surfaces for the fixing screws 15 of the fixing device 7, such as Figures 10 and 11 show.
  • the fixing screws 15 are screwed through the second support unit 6 and protrude toward the first support unit 5.
  • the fixing screws 15 clamp against the first support unit 5 and thereby fix it in the receptacle 13.
  • the first support unit 5 is at a distance both from a bottom 14 of the receptacle 13 and from side walls 42 of the receptacle 13 . Accordingly, the support units 5 and 6 are only connected to one another via the fixing screws 15 of the fixing device 7 .
  • the second support unit 6 has a thread through which the fixing screws 15 are screwed against the first support unit 5 .
  • a simple embodiment results when the threads are formed in nuts 41 that are welded on.
  • a different structural design for example via nuts arranged on the inside of the side walls 42 or via internal threads in the side walls 42 of the receptacle 13, can also be provided.
  • the face 24 to the bottom 14 of the receptacle 13 at the distance a is in the longitudinal direction 10 of the support 4 in overlap with the end face 24.
  • fixing screws 15 protrude in two mutually perpendicular spatial directions against the first support unit 5.
  • two fixing screws 15 are arranged on the opposing flanges of the I-beam 32. Two more fixing screws each 15 act against the reinforcement plates 16, which run parallel to the web of the I-beam 32. this is in 11 shown in detail.
  • All fixing screws 15 preferably have the same width across flats. In particular, all fixing screws 15 are identical.
  • a possible procedure for the non-destructive dismantling of the support 4 is shown below with reference to FIG 1 explained. If the support 4 is to be dismantled, the fixing screws 15 of the fixing device 7 are loosened. The fastening screws 20 and 37 are also loosened. As a result, the support sections 17 and 18 are no longer firmly connected to one another and the first support unit 5 is no longer fixed to the building component 2 .
  • the second support section 18 is then lifted using suitable lifting gear, specifically by a maximum distance a, i.e. until the end face 24 of the second support unit 18 comes to rest on the bottom 14 of the receptacle 13 (see FIG 10 ).
  • the second support unit 18 is then held in this position and the first support unit 17 can be lifted slightly and removed laterally. After the first support section 17 has been removed, the second support section 18 can also be lowered vertically downwards out of the receptacle 13 and then removed. In the last step, the second support unit 6 can be dismantled.
  • non-destructive disassembly is possible if the first support unit 5 can be disassembled from the receptacle 13 in the horizontal direction.
  • Non-destructive dismantling can also be possible if both connection devices 8 and 9 to the building components 2 and 3 are detached and then the support units 5 and 6 are moved towards one another. Off when installed 1 the second support unit 6 is thereby lowered onto the first support unit 5 .
  • the support 4 can be dismantled horizontally. This is particularly possible when the loads to be supported are so small that the total weight of the Support 4 does not exceed the total weight that can be moved on the construction site using conventional means.
  • the 12 shows an alternative installation position of the support 4. Compared to the arrangement from 1 the support 4 is rotated 180° around the horizontal.
  • the first building component 2, to which the first support unit 5 is fixed, is the ceiling of the floor in this installed position, and the second building component 3 forms the floor of the floor.
  • the first support unit 5 is arranged at the top in the installed position.
  • the first column section 17 is arranged above the second column section 18 .
  • the anchoring fixture 26 is fixed to the first, longer support section 17 .
  • the rest of the structure of the support 4 is identical to the structure described for the previous figures except for the installation position.
  • the anchoring fixture 26 can be arranged flexibly from the center of the floor close to the first building component 2, as indicated by the double arrow 33.
  • a suitable installation position of the support 4 By means of a suitable installation position of the support 4, a positioning of the anchoring fixation 26 and the connection 28 is made possible either in the lower or the upper half of the floor.
  • dismantling is preferably carried out by holding the first support unit 5 with suitable lifting tools, loosening the fixing screws 15 and the fastening screws 37 and lowering the first support unit 5 until the end face 24 rests on the bottom 14 of the receptacle 13, loosening the connecting screws 20, lifting and Dismantling the first support section 17, then lifting the second support section 18 and dismantling the second support section 18.
  • the second support unit 6 can be dismantled by loosening the fastening screws 40.
  • a different disassembly sequence, in particular the loosening of the fastening screws 37 and 20, can also be advantageous.
  • all detachable connections are formed by screw connections. Only a limited number of screw and nut sizes with standard wrench sizes are preferably used. Two or three different wrench sizes, for example M22, M30 and M36, are particularly preferred, so that all screws with a few common wrench sizes can be loosened or fixed.
  • the support 4 is provided to absorb horizontal loads between two building components 2 and 3 .
  • the support 4 can also be provided for absorbing loads which enclose an angle of less than 90° with the longitudinal direction 10 of the support 4 .
  • the support 4 is used to brace the loads generated by a crane.
  • the support 4 can also be provided, for example, for bracing vertical concrete poles, elevators, heavy-duty supports or the like. Other applications can also be advantageous.
  • the support 4 is arranged vertically between two building ceilings 2, 3 running one above the other.
  • a horizontal installation of the support 4 between two building walls can also be advantageous.
  • the support 4 can also be installed at an angle, especially if the building components 2, 3 run at an angle.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP22154339.0A 2022-01-31 2022-01-31 Appui d'agencement temporaire entre deux composants de bâtiment destiné à la répartition des charges dans les composants de bâtiment Pending EP4219864A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22154339.0A EP4219864A1 (fr) 2022-01-31 2022-01-31 Appui d'agencement temporaire entre deux composants de bâtiment destiné à la répartition des charges dans les composants de bâtiment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22154339.0A EP4219864A1 (fr) 2022-01-31 2022-01-31 Appui d'agencement temporaire entre deux composants de bâtiment destiné à la répartition des charges dans les composants de bâtiment

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EP4219864A1 true EP4219864A1 (fr) 2023-08-02

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EP22154339.0A Pending EP4219864A1 (fr) 2022-01-31 2022-01-31 Appui d'agencement temporaire entre deux composants de bâtiment destiné à la répartition des charges dans les composants de bâtiment

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0533482A (ja) * 1991-07-26 1993-02-09 Nippon Kasetsu Kk 一体脱型による転用システム梁型枠とその脱型方法
EP3401463A1 (fr) * 2017-05-09 2018-11-14 Alphi Dispositif de liaison pour table de coffrage
AU2021106618A4 (en) * 2020-11-30 2021-11-11 Acrow Formwork & Scaffolding Pty Ltd Prop System

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0533482A (ja) * 1991-07-26 1993-02-09 Nippon Kasetsu Kk 一体脱型による転用システム梁型枠とその脱型方法
EP3401463A1 (fr) * 2017-05-09 2018-11-14 Alphi Dispositif de liaison pour table de coffrage
AU2021106618A4 (en) * 2020-11-30 2021-11-11 Acrow Formwork & Scaffolding Pty Ltd Prop System

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