EP3967816A1 - Encorbellement, procédé et agencement de support d'un premier élément structural sur un second élément structural - Google Patents

Encorbellement, procédé et agencement de support d'un premier élément structural sur un second élément structural Download PDF

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Publication number
EP3967816A1
EP3967816A1 EP21195501.8A EP21195501A EP3967816A1 EP 3967816 A1 EP3967816 A1 EP 3967816A1 EP 21195501 A EP21195501 A EP 21195501A EP 3967816 A1 EP3967816 A1 EP 3967816A1
Authority
EP
European Patent Office
Prior art keywords
support part
concrete
structural element
reinforcement rods
corbel
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
EP21195501.8A
Other languages
German (de)
English (en)
Inventor
Jaakko YRJÖLÄ
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.)
Peikko Group Oy
Original Assignee
Peikko Group Oy
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 Peikko Group Oy filed Critical Peikko Group Oy
Publication of EP3967816A1 publication Critical patent/EP3967816A1/fr
Pending legal-status Critical Current

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    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21—Connections specially adapted therefor
    • E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
    • 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
    • E04B1/003—Balconies; Decks

Definitions

  • the invention relates to a corbel for supporting a first structural element comprising concrete at a second structural element comprising concrete as defined in the preamble of independent claim 1.
  • the invention also relates to an arrangement for supporting a first structural element comprising concrete at a second structural element comprising concrete as defined in the preamble of independent claim 9.
  • the invention also relates to a method for supporting a first structural element comprising concrete at a second structural element comprising concrete as defined in the preamble of independent claim 18.
  • Document WO 02/33185 presents a bracket for supporting a structural element, such as a precast concrete beam, on a concrete pile or similar support structure in a building.
  • the bracket comprises a first support part which is cast at least partly into the concrete pile.
  • the first support part comprises a bracket part for supporting the structural element so that the structural element bears against the concrete pile.
  • the bracket part is movably fastened to the first support part, which is cast at least partly into the concrete pile, such that the position of the bracket part with regard to the concrete pile can be changed.
  • the object of the invention is to provide a corbel for supporting a first structural element comprising concrete at a second structural element comprising concrete and to provide a method and an arrangement for supporting a first structural element comprising concrete at a second structural element comprising concrete having improved robustness such as improved ability to prevent disproportional collapse.
  • corbel of the invention is characterized by the definitions of independent claim 1.
  • corbel 1 for supporting a first structural element 2 comprising concrete at a second structural element 3 comprising concrete and some variants and embodiment of the corbel will be described in greater detail.
  • the corbel 1 comprises a first support part 4 configured to be cast at least partly into concrete of the second structural element 3 comprising concrete.
  • the second structural element 3 comprising concrete is in the form of a reinforced concrete column.
  • the first structural component 2 comprising concrete is in the form of a steel-concrete composite beam having an outer steel shell structure 15 limiting an inner space 16 filled with or configured to be filled with concrete.
  • the corbel 1 comprises a second support part 5 that is fastened by bolts 6 to the first support part 4 so that a first face 7 of the first support part 4 abuts a second face 8 of the second support part 5 and on which second support part 5 the first structural element 2 is configured to be supported.
  • the first support part is preferably, but not necessarily, provided with threaded holes (not shown in the figures) configured to receive and cooperate with the bolts 6 and the second support part 5 is preferably, but not necessarily, provided with through holes (not shown in the figures) configured to receive and be penetrated by the bolts 6 when the second support part 5 is fastened by the bolts 5 to the first support part.
  • Said trough holes have preferably, but not necessarily, an inner diameter that is larger than the outer diameter of the bolts 6 so as to enable to adjust the fastening position of the second support part 5 with respect to the first support part 4 so at to in result adjust the relative position between the first structural element 2 comprising concrete and he second structural element 3 comprising concrete.
  • the corbel 1 comprises additionally preferably, but not necessarily, a stopper 20 configured to provides additional securing of the second structural element 3 comprising concrete on the corbel 1.
  • the stopper 20 can for example have larger lateral extensions than the second support element 5.
  • Such possible stopper 20 is preferably, but not necessarily, fastened by means of the bolts 6 at a free end of the corbel 1 so that the second support part 5 is arranged between the first support part 4 and the stopper when the second support part 5 and the stopper 20 is fastened by means of the bolts 6 to the first support part 4.
  • the first structural element 2 has preferably, but not necessarily, a recess 19 at the end of the first structural element 2 into which the second support part 2 of the corbel 1 is configured to penetrate so that the first structural element 2 is configured to be supported on the second support part 2 of the corbel 1 inside the recess 19.
  • the recess 19 extends preferably, but not necessarily, from a lower edge (not marked with a reference numeral) of the end of the first structural element 2.
  • the corbel 1 comprises reinforcement rods 9 attached to the first support part 4 and extending from the first support part 4 on opposite sides of the second support part 5 beyond the second support part 5 so that the reinforcement rods 9 are configured to extend into concrete of the first structural element 2 comprising concrete.
  • This provides for increased robustness in the connection between the first structural element 2 and the second structural element 3 because the reinforcement rods 9 connects the first structural component 2 directly to the corbel's 1 first support part 4 that is anchored by casting at least partly into concrete of the second structural component 3.
  • the reinforcement rods 9 can also function as tensile reinforcement against disproportional collapse.
  • the first support part 4 can, as illustrated in the figures, have essentially the form of a cuboid and by the reinforcement rods 9 extend perpendicularly in relation to the first support part 4.
  • the reinforcement rods 9 are preferably, but not necessarily, fastened to the first support part 4 by means of sockets 10 fastened on opposite sides of the first support part 4 so that the sockets 10 are provided with an inner threading 21 and by the reinforcement rods 9 being provided with a co-operating outer threading 22.
  • the reinforcement rods 9 can be fastened to the sockets 10 after that the first structural element 2 has been supported on the second support part 5 of the corbel 1 by utilizing the inner space 16 of the first structural element 2 i.e. from the inner space 16 of the first structural element 2 and after that the reinforcement rods 9 have been fastened to the sockets 10, the inner space 16 of the first structural element 2 is at least partly filled with concrete resulting in that the reinforcement rods 9 will extend into the concrete of the first structural element 2.
  • Additional reinforcement rods 11 are preferably, but not necessarily, fastened to the sockets 10 and extending in the opposite direction from sockets 10 in relation to the reinforcement rods 9. This provides for increased robustness.
  • the optional additional reinforcement rods 11 are preferably, but not necessarily, provided with a headed end 12 configured to anchor the additional reinforcement rods 11 in concrete of the first structural element 2.
  • the reinforcement rods 9 can alternatively be fastened to the first support part 4 by welding.
  • the reinforcement rods 9 are preferably, but not necessarily, provided with a headed end 12 configured to anchor the reinforcement rods 9 in concrete of the first structural element 2.
  • the first support part 4 of the corbel 1 is preferably, but not necessarily, additionally provided with first anchoring studs 13 extending from the first support part 4 transversely in relation to the first face of the first support part 4.
  • the first support part 4 of the corbel 1 is preferably, but not necessarily, additionally provided with second anchoring studs 14 extending from the first support part 4 partly inclined and partly in parallel in relation to the first face 7 of the first support part 4.
  • the first face 7 of the first support part 4 comprises preferably, but not necessarily, a first serrated surface (not illustrated in the figures) configured to cooperate with a second serrated surface (not illustrated in the figures) at the second face 8 of the second support part 5 so at to provide for enhanced robustness in the connection between first face 7 of the first support part 4 and the second face 8 of the second support part 5.
  • a first support part 4 of a corbel 1 is cast at least partly into concrete of the second structural element 3 comprising concrete.
  • the second structural element 3 comprising concrete is in the form of a reinforced concrete column.
  • the first structural component 2 comprising concrete is in the form of a steel-concrete composite beam having an outer steel shell structure 15 limiting an inner space 16 filled with or configured to be filled with concrete.
  • a second support part 5 of the corbel 1 is fastened by bolts 6 to the first support part 4 so that a first face 7 of the first support part 4 abuts a second face 8 of the second support part 5.
  • the first support part is preferably, but not necessarily, provided with threaded holes (not shown in the figures) configured to receive and cooperate with the bolts 6 and the second support part 5 is preferably, but not necessarily, provided with through holes (not shown in the figures) configured to receive and be penetrated by the bolts 6 when the second support part 5 is fastened by the bolts 5 to the first support part.
  • Said trough holes have preferably, but not necessarily, an inner diameter that is larger than the outer diameter of the bolts 6 so as to enable to adjust the fastening position of the second support part 5 with respect to the first support part 4 so at to in result adjust the relative position between the first structural element 2 comprising concrete and he second structural element 3 comprising concrete.
  • the corbel 1 comprises additionally preferably, but not necessarily, a stopper 20 configured to provides additional securing of the second structural element 3 comprising concrete on the corbel 1.
  • the stopper 20 can for example have larger lateral extensions than the second support element 5.
  • Such possible stopper 20 is preferably, but not necessarily, fastened by means of the bolts 6 at a free end of the corbel 1 so that the second support part 5 is arranged between the first support part 4 and the stopper when the second support part 5 and the stopper 20 is fastened by means of the bolts 6 to the first support part 4.
  • the first structural element 2 is supported on the second support part 5 of the corbel 1.
  • the first structural element 2 has preferably, but not necessarily, a recess 19 at the end of the first structural element 2 into which the second support part 2 of the corbel 1 is configured to penetrate so that the first structural element 2 is configured to be supported on the second support part 2 of the corbel 1 inside the recess 19.
  • the recess 19 extends preferably, but not necessarily, from an lower edge (not marked with a reference numeral) of the end of the first structural element 2.
  • reinforcement rods 9 are attached to the first support part 4 of the corbel 1 and extend from the first support part 4 of the corbel 1 on opposite sides of the second support part 5 of the corbel 1 beyond the second support part 5 of the corbel 1 into concrete of the first structural element 2 comprising concrete. This provides for increased robustness in the connection between the first structural element 2 and the second structural element 3 because the reinforcement rods 9 connects the first structural component 2 directly to the corbel's 1 first support part 4 that is anchored by casting at least partly into concrete of the second structural component 3.
  • the reinforcement rods 9 can also function as tensile reinforcement against disproportional collapse.
  • the first support part 4 has preferably, but not necessarily, essentially the form of a cuboid and the reinforcement rods 9 extend preferably, but not necessarily, perpendicularly in relation to the first support part 4.
  • the reinforcement rods 9 are preferably, but not necessarily, fastened to the first support part 4 by means of sockets 10 fastened on opposite sides of the first support part 4 so that the sockets 10 are provided with an inner threading 21 and by the reinforcement rods 9 being provided with a co-operating outer threading 22.
  • Additional reinforcement rods 11 are preferably, but not necessarily, fastened to the sockets 10 and extend in the opposite direction from sockets 10 in relation to the reinforcement rods 9.
  • the optional additional reinforcement rods 11 are preferably, but not necessarily, provided with a headed end 12 configured to anchor the additional reinforcement rods 11 in concrete of the second structural element 3.
  • the reinforcement rods 9 can alternatively be fastened to the first support part 4 of the corbel 1 by welding.
  • the reinforcement rods 9 are preferably, but not necessarily, provided with a headed end 12 configured to anchor the reinforcement rods 9 in concrete of the first structural element 2.
  • the first support part 4 is preferably, but not necessarily, additionally provided with first anchoring studs 13 extending from the first support part 4 transversely in relation to the first face 7 of the first support part 4.
  • the first support part 4 is preferably, but not necessarily, additionally provided with second anchoring studs 14 extending from the first support part 4 partly inclined and partly in parallel in relation to the first face 7 of the first support part 4.
  • the first face 7 of the first support part 4 comprises preferably, but not necessarily, a first serrated surface (not illustrated in the figures) configured to cooperate with a second serrated surface (not illustrated in the figures) at the second face 8 of the second support part 5 so at to provide for enhanced robustness in the connection between first face 7 of the first support part 4 and the second face 8 of the second support part 5.
  • the first structural element 2 comprising concrete is preferably, but not necessarily, a steel-concrete composite beam having an outer steel shell structure 15 liming an inner space 16 filled with concrete.
  • the outer steel shell structure 15 has preferably, but not necessarily an end plate 17 at each end so that the reinforcement rods 9 extend through the end plate 17 of the outer steel shell structure 15 in openings 18 provided in the end plate 17 in the outer steel shell structure 15.
  • Such openings 18 have preferably, but not necessarily, an inner diameter or cross section that is larger than the outer diameter or cross section of the reinforcement rods 9 so as to allow positioning of the first structural element 2 comprising concrete in various positions with respect to the reinforcement rods 9.
  • the method comprises a casting step for casting a first support part 4 of a corbel 1 at least partly into concrete of the second structural element 3 comprising concrete.
  • the first support part is preferably, but not necessarily, provided with threaded holes (not shown in the figures) configured to receive and cooperate with the bolts 6 and the second support part 5 is preferably, but not necessarily, provided with through holes (not shown in the figures) configured to receive and be penetrated by the bolts 6 when the second support part 5 is fastened by the bolts 5 to the first support part.
  • Said trough holes have preferably, but not necessarily, an inner diameter that is larger than the outer diameter of the bolts 6 so as to enable to adjust the fastening position of the second support part 5 with respect to the first support part 4 so at to in result adjust the relative position between the first structural element 2 comprising concrete and he second structural element 3 comprising concrete.
  • the corbel 1 comprises additionally preferably, but not necessarily, a stopper 20 configured to provides additional securing of the second structural element 3 comprising concrete on the corbel 1.
  • the stopper 20 can for example have larger lateral extensions than the second support element 5.
  • Such possible stopper 20 is preferably, but not necessarily, fastened by means of the bolts 6 at a free end of the corbel 1 so that the second support part 5 is arranged between the first support part 4 and the stopper when the second support part 5 and the stopper 20 is fastened by means of the bolts 6 to the first support part 4.
  • the second structural element 3 comprising concrete is in the form of a reinforced concrete column.
  • the first structural component 2 comprising concrete is in the form of a steel-concrete composite beam having an outer steel shell structure 15 limiting an inner space 16 filled with or configured to be filled with concrete.
  • the method comprises a fastening step for fastening a second support part 5 of the corbel 1 by bolts 6 to the first support part 4 so that a first face 7 of the first support part 4 abuts a second face 8 of the second support part 5.
  • the method comprises a supporting step for supporting the first structural element 2 on the second support part 5 of the corbel 1.
  • the method comprises an attaching step for attaching reinforcement rods 9 to the first support part 4 of the corbel 1 to extend from the first support part 4 of the corbel 1 on opposite sides of the second support part 5 of the corbel 1 beyond the second support part 5 of the corbel 1 into concrete of the first structural element 2 comprising concrete.
  • This provides for increased robustness in the connection between the first structural element 2 and the second structural element 3 because the reinforcement rods 9 connects the first structural component 2 directly to the corbel's 1 first support part 4 that is anchored by casting at least partly into concrete of the second structural component 3.
  • the reinforcement rods 9 can also function as tensile reinforcement against disproportional collapse.
  • the method comprises preferably, but not necessarily, providing for the casting step a first support part 4 having essentially the form of a cuboid, and attaching in the attaching step the reinforcement rods 9 to extend perpendicularly in relation to the first support part 4.
  • the method comprises preferably, but not necessarily, attaching the reinforcement rods 9 to the first support part 4 in attaching step by means of sockets 10 fastened on opposite sides of the first support part 4 by providing the sockets 10 with an inner threading 21 and by providing the reinforcement rods 9 with a co-operating outer threading 22.
  • the method comprises preferably, but not necessarily, fastening additional reinforcement rods 11 to the sockets 10 to extend in the opposite direction from sockets 10 in relation to the reinforcement rods 9.
  • the method comprises preferably, but not necessarily, providing the additional reinforcement rods 11 being with a headed end 12 configured to anchor the additional reinforcement rods 11 in concrete of the second structural element 3.
  • the method can alternatively comprise attaching the reinforcement rods 9 to the first support part 4 in the attaching step by welding.
  • the method comprises preferably, but not necessarily, providing the reinforcement rods 9 with a headed end 12 configured to anchor the reinforcement rods 9 in concrete of the first structural element 2.
  • the method comprises preferably, but not necessarily, providing the first support part 4 additionally with first anchoring studs 13 extending from the first support part 4 transversely in relation to the first face 7 of the first support part 4.
  • the method comprises preferably, but not necessarily, providing the first support part 4 additionally with second anchoring studs (14) extending from the first support part 4 partly inclined and partly in parallel in relation to the first face 7 of the first support part 4.
  • the method comprises preferably, but not necessarily, providing the first face 7 of the first support part 4 with a first serrated surface (not illustrated in the figures) and by providing the second face 8 of the second support part 5 with a second serrated surface (not illustrated in the figures) configured to cooperate with the first serrated surface of the first face 7 of the first support part 4 so at to provide for enhanced robustness in the connection between first face 7 of the first support part 4 and the second face 8 of the second support part 5.
  • the method comprises preferably, but not necessarily, providing for the supporting step a first structural element 2 comprising concrete being a steel-concrete composite beam having an outer steel shell structure 15 liming an inner space 16 to be filled with concrete, wherein the outer steel shell structure 15 having an end plate 17 at each end.
  • Such embodiment of the method comprises providing openings 2 in the end plate 17 in the outer steel shell structure 15, and arranging the reinforcement rods 9 to extend through openings 18 provided in the end plate 17 of the outer steel shell structure 15 into the inner space 16 of the steel-concrete composite beam prior filling the inner space 16 with concrete.
  • Such openings 18 are preferably, but not necessarily, provided with an inner diameter or cross section that is larger than the outer diameter or cross section of the reinforcement rods 9 so as to allow positioning of the first structural element 2 comprising concrete in various positions with respect to the reinforcement rods 9.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Joining Of Building Structures In Genera (AREA)
EP21195501.8A 2020-09-09 2021-09-08 Encorbellement, procédé et agencement de support d'un premier élément structural sur un second élément structural Pending EP3967816A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20205873 2020-09-09

Publications (1)

Publication Number Publication Date
EP3967816A1 true EP3967816A1 (fr) 2022-03-16

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EP21195501.8A Pending EP3967816A1 (fr) 2020-09-09 2021-09-08 Encorbellement, procédé et agencement de support d'un premier élément structural sur un second élément structural

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2700089A1 (de) * 1977-01-04 1978-07-06 Heinz Dipl Ing Borsdorf Kraftschluessige verbindung von bauelementen
WO2002033185A1 (fr) 2000-10-18 2002-04-25 Teräspeikko Oy Element de support assurant le support d'un element de structure sur lequel repose une structure
KR20190027230A (ko) * 2017-09-06 2019-03-14 지에스건설 주식회사 매립철근의 일체화를 위한 프리캐스트 보와 기둥의 연결구조 및 이를 이용한 프리캐스트 보와 기둥의 연결공법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2700089A1 (de) * 1977-01-04 1978-07-06 Heinz Dipl Ing Borsdorf Kraftschluessige verbindung von bauelementen
WO2002033185A1 (fr) 2000-10-18 2002-04-25 Teräspeikko Oy Element de support assurant le support d'un element de structure sur lequel repose une structure
KR20190027230A (ko) * 2017-09-06 2019-03-14 지에스건설 주식회사 매립철근의 일체화를 위한 프리캐스트 보와 기둥의 연결구조 및 이를 이용한 프리캐스트 보와 기둥의 연결공법

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