EP3967816A1 - Corbel, method and arrangement for supporting a first structural element at a second structural element - Google Patents
Corbel, method and arrangement for supporting a first structural element at a second structural element Download PDFInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000004567 concrete Substances 0.000 claims abstract description 124
- 230000002787 reinforcement Effects 0.000 claims abstract description 87
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 239000002131 composite material Substances 0.000 claims description 15
- 238000004873 anchoring Methods 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 9
- 239000011150 reinforced concrete Substances 0.000 description 8
- 230000001419 dependent effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
Images
Classifications
-
- 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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- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
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- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
Description
- 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 - 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.
- The corbel of the invention is characterized by the definitions of
independent claim 1. - Preferred embodiments of the corbel are defined in the
dependent claims 2 to 8. - The arrangement of the invention is correspondingly characterized by the definitions of
independent claim 9. - Preferred embodiments of the arrangement are defined in the
dependent claims 10 to 17. - The method of the invention is correspondingly characterized by the definitions of
independent claim 18. - Preferred embodiments of the method are defined in the
dependent claims 19 to 26. - In the following the invention will described in more detail by referring to the figures of which
-
Figure 1 shows an arrangement according to the prior art for supporting a first structural component comprising concrete that is in the form of a composite steel-concrete beam at a second structural component comprising concrete that is in the form of a reinforced concrete column, -
Figure 2 shows a first embodiment of the arrangement for supporting a first structural component comprising concrete that is in the form of a composite steel-concrete beam at a second structural component comprising concrete that is in the form of a reinforced concrete column, -
Figure 3 shows in partly transparent view the first embodiment of the arrangement illustrated infigure 2 as seen from above, -
Figure 4 shows a second embodiment of the arrangement for supporting a first structural component comprising concrete that is in the form of a composite steel-concrete beam at a second structural component comprising concrete that is in the form of a reinforced concrete column, -
Figure 5 shows a detail of a variant of the arrangement for supporting a first structural component comprising concrete that is in the form of a composite steel-concrete beam at a second structural component comprising concrete that is in the form of a reinforced concrete column, -
Figure 6 shows a detail of a variant of the arrangement for supporting a first structural component comprising concrete that is in the form of a composite steel-concrete beam at a second structural component comprising concrete that is in the form of a reinforced concrete column, -
Figure 7 shows the first embodiment of the arrangement illustrated infigure 2 as cut along plane A-A infigure 2 , -
Figure 8 shows a first embodiment of the corbel, -
Figure 9 shows the corbel shown infigure 8 as seen from above, and -
Figure 10 shows a second embodiment of the corbel. - First the
corbel 1 for supporting a firststructural element 2 comprising concrete at a secondstructural element 3 comprising concrete and some variants and embodiment of the corbel will be described in greater detail. - The
corbel 1 comprises afirst support part 4 configured to be cast at least partly into concrete of the secondstructural element 3 comprising concrete. - In the embodiments illustrated in the figures the second
structural element 3 comprising concrete is in the form of a reinforced concrete column. - In the embodiments illustrated in the figures the first
structural component 2 comprising concrete is in the form of a steel-concrete composite beam having an outersteel shell structure 15 limiting aninner space 16 filled with or configured to be filled with concrete. - The
corbel 1 comprises asecond support part 5 that is fastened bybolts 6 to thefirst support part 4 so that a first face 7 of thefirst support part 4 abuts asecond face 8 of thesecond support part 5 and on whichsecond support part 5 the firststructural 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 thebolts 6 and thesecond support part 5 is preferably, but not necessarily, provided with through holes (not shown in the figures) configured to receive and be penetrated by thebolts 6 when thesecond support part 5 is fastened by thebolts 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 thebolts 6 so as to enable to adjust the fastening position of thesecond support part 5 with respect to thefirst support part 4 so at to in result adjust the relative position between the firststructural element 2 comprising concrete and he secondstructural element 3 comprising concrete. - The
corbel 1 comprises additionally preferably, but not necessarily, astopper 20 configured to provides additional securing of the secondstructural element 3 comprising concrete on thecorbel 1. Thestopper 20 can for example have larger lateral extensions than thesecond support element 5. Suchpossible stopper 20 is preferably, but not necessarily, fastened by means of thebolts 6 at a free end of thecorbel 1 so that thesecond support part 5 is arranged between thefirst support part 4 and the stopper when thesecond support part 5 and thestopper 20 is fastened by means of thebolts 6 to thefirst support part 4. - The first
structural element 2 has preferably, but not necessarily, arecess 19 at the end of the firststructural element 2 into which thesecond support part 2 of thecorbel 1 is configured to penetrate so that the firststructural element 2 is configured to be supported on thesecond support part 2 of thecorbel 1 inside therecess 19. Therecess 19 extends preferably, but not necessarily, from a lower edge (not marked with a reference numeral) of the end of the firststructural element 2. - The
corbel 1 comprisesreinforcement rods 9 attached to thefirst support part 4 and extending from thefirst support part 4 on opposite sides of thesecond support part 5 beyond thesecond support part 5 so that thereinforcement rods 9 are configured to extend into concrete of the firststructural element 2 comprising concrete. This provides for increased robustness in the connection between the firststructural element 2 and the secondstructural element 3 because thereinforcement rods 9 connects the firststructural component 2 directly to the corbel's 1first support part 4 that is anchored by casting at least partly into concrete of the secondstructural component 3. Thereinforcement 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 thereinforcement rods 9 extend perpendicularly in relation to thefirst support part 4. - The
reinforcement rods 9 are preferably, but not necessarily, fastened to thefirst support part 4 by means ofsockets 10 fastened on opposite sides of thefirst support part 4 so that thesockets 10 are provided with aninner threading 21 and by thereinforcement rods 9 being provided with a co-operatingouter threading 22. This makes the supporting of the firststructural element 2 on thesecond support part 5 of thecorbel 1 easier especially in cases where the firststructural element 2 is in the form of a composite steel-concrete beam having aninner space 16 intended to be filled with concrete first after that the firststructural element 2 has been supported on thesecond support part 5 of thecorbel 1. In such cases thereinforcement rods 9 can be fastened to thesockets 10 after that the firststructural element 2 has been supported on thesecond support part 5 of thecorbel 1 by utilizing theinner space 16 of the firststructural element 2 i.e. from theinner space 16 of the firststructural element 2 and after that thereinforcement rods 9 have been fastened to thesockets 10, theinner space 16 of the firststructural element 2 is at least partly filled with concrete resulting in that thereinforcement rods 9 will extend into the concrete of the firststructural element 2.Additional reinforcement rods 11 are preferably, but not necessarily, fastened to thesockets 10 and extending in the opposite direction fromsockets 10 in relation to thereinforcement rods 9. This provides for increased robustness. The optionaladditional reinforcement rods 11 are preferably, but not necessarily, provided with aheaded end 12 configured to anchor theadditional reinforcement rods 11 in concrete of the firststructural element 2. - The
reinforcement rods 9 can alternatively be fastened to thefirst support part 4 by welding. - The
reinforcement rods 9 are preferably, but not necessarily, provided with aheaded end 12 configured to anchor thereinforcement rods 9 in concrete of the firststructural element 2. - The
first support part 4 of thecorbel 1 is preferably, but not necessarily, additionally provided withfirst anchoring studs 13 extending from thefirst support part 4 transversely in relation to the first face of thefirst support part 4. - The
first support part 4 of thecorbel 1 is preferably, but not necessarily, additionally provided withsecond anchoring studs 14 extending from thefirst support part 4 partly inclined and partly in parallel in relation to the first face 7 of thefirst 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 thesecond face 8 of thesecond support part 5 so at to provide for enhanced robustness in the connection between first face 7 of thefirst support part 4 and thesecond face 8 of thesecond support part 5. - Next the arrangement for supporting a first structural element comprising concrete at a second
structural element 3 comprising concrete and some preferred variants and embodiments of the arrangement will be described in greater detail. - In the arrangement a
first support part 4 of acorbel 1 is cast at least partly into concrete of the secondstructural element 3 comprising concrete. - In the embodiments illustrated in the figures the second
structural element 3 comprising concrete is in the form of a reinforced concrete column. - In the embodiments illustrated in the figures the first
structural component 2 comprising concrete is in the form of a steel-concrete composite beam having an outersteel shell structure 15 limiting aninner space 16 filled with or configured to be filled with concrete. - In the arrangement a
second support part 5 of thecorbel 1 is fastened bybolts 6 to thefirst support part 4 so that a first face 7 of thefirst support part 4 abuts asecond face 8 of thesecond 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 thebolts 6 and thesecond support part 5 is preferably, but not necessarily, provided with through holes (not shown in the figures) configured to receive and be penetrated by thebolts 6 when thesecond support part 5 is fastened by thebolts 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 thebolts 6 so as to enable to adjust the fastening position of thesecond support part 5 with respect to thefirst support part 4 so at to in result adjust the relative position between the firststructural element 2 comprising concrete and he secondstructural element 3 comprising concrete. - The
corbel 1 comprises additionally preferably, but not necessarily, astopper 20 configured to provides additional securing of the secondstructural element 3 comprising concrete on thecorbel 1. Thestopper 20 can for example have larger lateral extensions than thesecond support element 5. Suchpossible stopper 20 is preferably, but not necessarily, fastened by means of thebolts 6 at a free end of thecorbel 1 so that thesecond support part 5 is arranged between thefirst support part 4 and the stopper when thesecond support part 5 and thestopper 20 is fastened by means of thebolts 6 to thefirst support part 4. - In the arrangement the first
structural element 2 is supported on thesecond support part 5 of thecorbel 1. The firststructural element 2 has preferably, but not necessarily, arecess 19 at the end of the firststructural element 2 into which thesecond support part 2 of thecorbel 1 is configured to penetrate so that the firststructural element 2 is configured to be supported on thesecond support part 2 of thecorbel 1 inside therecess 19. Therecess 19 extends preferably, but not necessarily, from an lower edge (not marked with a reference numeral) of the end of the firststructural element 2. - In the
arrangement reinforcement rods 9 are attached to thefirst support part 4 of thecorbel 1 and extend from thefirst support part 4 of thecorbel 1 on opposite sides of thesecond support part 5 of thecorbel 1 beyond thesecond support part 5 of thecorbel 1 into concrete of the firststructural element 2 comprising concrete. This provides for increased robustness in the connection between the firststructural element 2 and the secondstructural element 3 because thereinforcement rods 9 connects the firststructural component 2 directly to the corbel's 1first support part 4 that is anchored by casting at least partly into concrete of the secondstructural component 3. Thereinforcement 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 thereinforcement rods 9 extend preferably, but not necessarily, perpendicularly in relation to thefirst support part 4. - The
reinforcement rods 9 are preferably, but not necessarily, fastened to thefirst support part 4 by means ofsockets 10 fastened on opposite sides of thefirst support part 4 so that thesockets 10 are provided with aninner threading 21 and by thereinforcement rods 9 being provided with a co-operating outer threading 22.Additional reinforcement rods 11 are preferably, but not necessarily, fastened to thesockets 10 and extend in the opposite direction fromsockets 10 in relation to thereinforcement rods 9. The optionaladditional reinforcement rods 11 are preferably, but not necessarily, provided with aheaded end 12 configured to anchor theadditional reinforcement rods 11 in concrete of the secondstructural element 3. - The
reinforcement rods 9 can alternatively be fastened to thefirst support part 4 of thecorbel 1 by welding. - The
reinforcement rods 9 are preferably, but not necessarily, provided with aheaded end 12 configured to anchor thereinforcement rods 9 in concrete of the firststructural element 2. - The
first support part 4 is preferably, but not necessarily, additionally provided withfirst anchoring studs 13 extending from thefirst support part 4 transversely in relation to the first face 7 of thefirst support part 4. - The
first support part 4 is preferably, but not necessarily, additionally provided withsecond anchoring studs 14 extending from thefirst support part 4 partly inclined and partly in parallel in relation to the first face 7 of thefirst 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 thesecond face 8 of thesecond support part 5 so at to provide for enhanced robustness in the connection between first face 7 of thefirst support part 4 and thesecond face 8 of thesecond support part 5. - In the arrangement, the first
structural element 2 comprising concrete is preferably, but not necessarily, a steel-concrete composite beam having an outersteel shell structure 15 liming aninner space 16 filled with concrete. In such case the outersteel shell structure 15 has preferably, but not necessarily anend plate 17 at each end so that thereinforcement rods 9 extend through theend plate 17 of the outersteel shell structure 15 inopenings 18 provided in theend plate 17 in the outersteel 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 thereinforcement rods 9 so as to allow positioning of the firststructural element 2 comprising concrete in various positions with respect to thereinforcement rods 9. - Next the method for supporting a first
structural element 2 comprising concrete at a secondstructural element 3 comprising concrete and some preferred embodiment and variants of the method will be described in greater detail - The method comprises a casting step for casting a
first support part 4 of acorbel 1 at least partly into concrete of the secondstructural 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 thebolts 6 and thesecond support part 5 is preferably, but not necessarily, provided with through holes (not shown in the figures) configured to receive and be penetrated by thebolts 6 when thesecond support part 5 is fastened by thebolts 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 thebolts 6 so as to enable to adjust the fastening position of thesecond support part 5 with respect to thefirst support part 4 so at to in result adjust the relative position between the firststructural element 2 comprising concrete and he secondstructural element 3 comprising concrete. - The
corbel 1 comprises additionally preferably, but not necessarily, astopper 20 configured to provides additional securing of the secondstructural element 3 comprising concrete on thecorbel 1. Thestopper 20 can for example have larger lateral extensions than thesecond support element 5. Suchpossible stopper 20 is preferably, but not necessarily, fastened by means of thebolts 6 at a free end of thecorbel 1 so that thesecond support part 5 is arranged between thefirst support part 4 and the stopper when thesecond support part 5 and thestopper 20 is fastened by means of thebolts 6 to thefirst support part 4. - In the embodiments illustrated in the figures the second
structural element 3 comprising concrete is in the form of a reinforced concrete column. - In the embodiments illustrated in the figures the first
structural component 2 comprising concrete is in the form of a steel-concrete composite beam having an outersteel shell structure 15 limiting aninner 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 thecorbel 1 bybolts 6 to thefirst support part 4 so that a first face 7 of thefirst support part 4 abuts asecond face 8 of thesecond support part 5. - The method comprises a supporting step for supporting the first
structural element 2 on thesecond support part 5 of thecorbel 1. - The method comprises an attaching step for attaching
reinforcement rods 9 to thefirst support part 4 of thecorbel 1 to extend from thefirst support part 4 of thecorbel 1 on opposite sides of thesecond support part 5 of thecorbel 1 beyond thesecond support part 5 of thecorbel 1 into concrete of the firststructural element 2 comprising concrete. This provides for increased robustness in the connection between the firststructural element 2 and the secondstructural element 3 because thereinforcement rods 9 connects the firststructural component 2 directly to the corbel's 1first support part 4 that is anchored by casting at least partly into concrete of the secondstructural component 3. Thereinforcement 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 thereinforcement rods 9 to extend perpendicularly in relation to thefirst support part 4. - The method comprises preferably, but not necessarily, attaching the
reinforcement rods 9 to thefirst support part 4 in attaching step by means ofsockets 10 fastened on opposite sides of thefirst support part 4 by providing thesockets 10 with aninner threading 21 and by providing thereinforcement rods 9 with a co-operating outer threading 22. In such embodiment of the method, the method comprises preferably, but not necessarily, fasteningadditional reinforcement rods 11 to thesockets 10 to extend in the opposite direction fromsockets 10 in relation to thereinforcement rods 9. In such embodiment of the method, the method comprises preferably, but not necessarily, providing theadditional reinforcement rods 11 being with aheaded end 12 configured to anchor theadditional reinforcement rods 11 in concrete of the secondstructural element 3. - The method can alternatively comprise attaching the
reinforcement rods 9 to thefirst support part 4 in the attaching step by welding. - The method comprises preferably, but not necessarily, providing the
reinforcement rods 9 with aheaded end 12 configured to anchor thereinforcement rods 9 in concrete of the firststructural element 2. - The method comprises preferably, but not necessarily, providing the
first support part 4 additionally withfirst anchoring studs 13 extending from thefirst support part 4 transversely in relation to the first face 7 of thefirst support part 4. - The method comprises preferably, but not necessarily, providing the
first support part 4 additionally with second anchoring studs (14) extending from thefirst support part 4 partly inclined and partly in parallel in relation to the first face 7 of thefirst 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 thesecond face 8 of thesecond 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 thefirst support part 4 so at to provide for enhanced robustness in the connection between first face 7 of thefirst support part 4 and thesecond face 8 of thesecond 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 outersteel shell structure 15 liming aninner space 16 to be filled with concrete, wherein the outersteel shell structure 15 having anend plate 17 at each end. Such embodiment of the method comprises providingopenings 2 in theend plate 17 in the outersteel shell structure 15, and arranging thereinforcement rods 9 to extend throughopenings 18 provided in theend plate 17 of the outersteel shell structure 15 into theinner space 16 of the steel-concrete composite beam prior filling theinner 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 thereinforcement rods 9 so as to allow positioning of the firststructural element 2 comprising concrete in various positions with respect to thereinforcement rods 9. - It is apparent to a person skilled in the art that as technology advanced, the basic idea of the invention can be implemented in various ways. The invention and its embodiments are therefore not restricted to the above examples, but they may vary within the scope of the claims.
Claims (26)
- A corbel (1) for supporting a first structural element (2) comprising concrete at a second structural element (3) comprising concrete, the corbel (1) comprisinga first support part (4) configured to be cast at least partly into concrete of the second structural element (3) comprising concrete, anda 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,characterizedby 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.
- The corbel (1) according to claim 1, characterized
by the first support part (4) having essentially the form of a cuboid and by the reinforcement rods (9) extend perpendicularly in relation to the first support part (4). - The corbel (1) according to claim 1 or 2, characterizedby the reinforcement rods (9) being fastened to the first support part (4) by means of sockets (10) fastened on opposite sides of the first support part (4), andby the sockets (10) being provided with an inner threading (21) and by the reinforcement rods (9) being provided with a co-operating outer threading (22).
- The corbel (1) according to claim 3, characterized
by additional reinforcement rods (11) fastened to the sockets (10) and extending in the opposite direction from sockets (10) in relation to the reinforcement rods (9). - The corbel (1) according to claim 4, characterized
by the additional reinforcement rods (11) being provided with a headed end (12) configured to anchor the additional reinforcement rods (11) in concrete of the first structural element (2). - The corbel (1) according to any of the claims 1 to 5, characterized
by the reinforcement rods (9) being provided with a headed end (12) configured to anchor the reinforcement rods (9) in concrete of the first structural element (2). - The corbel (1) according to any of the claims 1 to 6, characterized
by the first support part (4) being 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 corbel (1) according to any of the claims 1 to 7, characterized
by the first support part (4) being 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). - Arrangement for supporting a first structural element comprising concrete at a second structural element (3) comprising concrete, wherein the arrangement comprisinga first support part (4) of a corbel (1) is cast at least partly into concrete of the second structural element (3) comprising 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), andthe first structural element (2) is supported on the second support part (5) of the corbel (1),characterizedby reinforcement rods (9) attached to the first support part (4) of the corbel (1) and extending 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.
- The arrangement according to claim 9, characterized
by the first support part (4) having essentially the form of a cuboid and by the reinforcement rods (9) extend perpendicularly in relation to the first support part (4). - The arrangement according to claim 9 or 10, characterizedby the reinforcement rods (9) being fastened to the first support part (4) by means of sockets (10) fastened on opposite sides of the first support part (4), andby the sockets (10) being provided with an inner threading (21) and by the reinforcement rods (9) being provided with a co-operating outer threading (22).
- The arrangement according to claim 11, characterized
by additional reinforcement rods (11) fastened to the sockets (10) and extending in the opposite direction from sockets (10) in relation to the reinforcement rods (9). - The arrangement according to claim 12, characterized
by the additional reinforcement rods (11) being provided with a headed end (12) configured to anchor the additional reinforcement rods (11) in concrete of the second structural element (3). - The arrangement according to any of the claims 9 to 13, characterized
by the reinforcement rods (9) being provided with a headed end (12) configured to anchor the reinforcement rods (9) in concrete of the first structural element (2). - The arrangement according to any of the claims 9 to 14, characterized
by the first support part (4) being 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 arrangement according to any of the claims 9 to 15, characterized
by the first support part (4) being 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 arrangement according to any of the claims 9 to 16, characterizedby the first structural element (2) comprising concrete being a steel-concrete composite beam having an outer steel shell structure (15) liming an inner space (16) filled with concrete,by the outer steel shell structure (15) having an end plate (17) at each end,by the reinforcement rods (9) extending 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).
- Method for supporting a first structural element (2) comprising concrete at a second structural element (3) comprising, wherein the method comprisesa 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,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), anda supporting step for supporting the first structural element (2) on the second support part (5) of the corbel (1),characterized
by 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. - The method according to claim 18, characterizedby providing for the casting step a first support part (4) having essentially the form of a cuboid, andby attaching in the attaching step the reinforcement rods (9) to extend perpendicularly in relation to the first support part (4).
- The method according to claim 18 or 19, characterized
by 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 according to claim 20, characterized
by 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 according to claim 21, characterized
by providing the additional reinforcement rods (11) with a headed end (12) configured to anchor the additional reinforcement rods (11) in concrete of the second structural element (3). - The method according to any of the claims 18 to 22, characterized
by providing the reinforcement rods (9) being with a headed end (12) configured to anchor the reinforcement rods (9) in concrete of the first structural element (2). - The method according to any of the claims 18 to 23, characterized
by 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 according to any of the claims 18 to 24, characterized
by 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 according to any of the claims 18 to 25, characterizedby 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,by providing openings (2) in the end plate (17) in the outer steel shell structure (15), andby arranging the reinforcement rods (9) to extend through 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.
Applications Claiming Priority (1)
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FI20205873 | 2020-09-09 |
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EP21195501.8A Pending EP3967816A1 (en) | 2020-09-09 | 2021-09-08 | Corbel, method and arrangement for supporting a first structural element at a second structural element |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2700089A1 (en) * | 1977-01-04 | 1978-07-06 | Heinz Dipl Ing Borsdorf | Prefabricated building element form locked connection - has end reinforced bars with thrust force transmitted by composite profiled plates which interlock |
WO2002033185A1 (en) | 2000-10-18 | 2002-04-25 | Teräspeikko Oy | Bracket for supporting structural element to support structure |
KR20190027230A (en) * | 2017-09-06 | 2019-03-14 | 지에스건설 주식회사 | Joint for Precast Beam and Columns |
-
2021
- 2021-09-08 EP EP21195501.8A patent/EP3967816A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2700089A1 (en) * | 1977-01-04 | 1978-07-06 | Heinz Dipl Ing Borsdorf | Prefabricated building element form locked connection - has end reinforced bars with thrust force transmitted by composite profiled plates which interlock |
WO2002033185A1 (en) | 2000-10-18 | 2002-04-25 | Teräspeikko Oy | Bracket for supporting structural element to support structure |
KR20190027230A (en) * | 2017-09-06 | 2019-03-14 | 지에스건설 주식회사 | Joint for Precast Beam and Columns |
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