CN220704781U - Reinforced concrete column rigidity overlap joint conversion node - Google Patents
Reinforced concrete column rigidity overlap joint conversion node Download PDFInfo
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- CN220704781U CN220704781U CN202321992684.9U CN202321992684U CN220704781U CN 220704781 U CN220704781 U CN 220704781U CN 202321992684 U CN202321992684 U CN 202321992684U CN 220704781 U CN220704781 U CN 220704781U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 31
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 28
- 230000002787 reinforcement Effects 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 239000011374 ultra-high-performance concrete Substances 0.000 description 1
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Abstract
The utility model discloses a rigid lap joint conversion node of a reinforced concrete column, which relates to a lower column below an Nth floor plate and an upper column above an (N+2) th floor plate, wherein horizontal offset exists between the two columns, the rigid lap joint conversion node comprises a right trapezoid node and a rectangular node, the length of the upper bottom of the right trapezoid node is larger than that of the lower bottom, the lower bottom of the right trapezoid node is correspondingly supported on the top surface of the lower column, the upper bottom of the right trapezoid node is correspondingly supported on the bottom surface of the rectangular node, and the top surface of the rectangular node supports the bottom surface of the upper column. The utility model has the advantages that: the novel reinforced concrete rigid node is adopted to connect the adjacent layer deflection column, so that the defects that the traditional conversion connection method is poor in force transmission performance and even can not be realized under small deflection are overcome; the novel node column keeps enough strength and rigidity under various working conditions, and shows excellent anti-seismic performance, so that the adverse effect of the adjacent layer deflection column on the whole structure is solved.
Description
Technical Field
The utility model relates to a building structure, in particular to a rigid lap joint conversion node of a reinforced concrete column.
Background
In high-rise steel structure buildings, under the condition of small deviation (including partial overlapping) of reinforced concrete columns between adjacent layers, if conversion measures are not adopted, the problem of discontinuous column force transmission of the high-rise steel structure buildings can be caused, and potential safety hazards exist in the structure.
Based on this, a reinforced concrete rigid node is required to be used between the upper column and the lower column between the adjacent layers for the lap joint conversion treatment, but there is no clear requirement or specification on how to realize the continuous transmission of column force at present, so the concrete realization structure of the reinforced concrete rigid node is needed by those skilled in the art.
Disclosure of Invention
According to the defects of the prior art, the utility model provides the rigid lap joint conversion node of the reinforced concrete column, which is arranged between the upper column and the lower column, and the defects that the traditional conversion connection method has poor force transmission performance under small deviation and even can not be realized are overcome by adopting the combined shape of the rectangular node and the right trapezoid node to connect the upper column and the lower column which are adjacent to each other.
The utility model is realized by the following technical scheme:
the utility model provides a reinforced concrete column rigidity overlap joint conversion node, relates to the lower post that is located N layer floor below and is located N+2 layer floor top post, go up the post with there is horizontal offset down between the post, its characterized in that rigid overlap joint conversion node is including setting up in N layer and N+1 layer right trapezoid node and setting up in N+1 layer and N+2 layer between the floor, right trapezoid node's upper end length is greater than lower end length, right trapezoid node's lower end corresponds to support on the top surface of lower post, go up the end corresponds to support the bottom surface of rectangle node, the top surface of rectangle node supports the bottom surface of going up the post.
The rigid lap joint conversion node is the reinforced concrete node; the reinforcement of the rectangular nodes, the reinforcement of the right trapezoid nodes, the reinforcement of the upper column and the reinforcement of the lower column are mutually connected to form an integrated structure.
The lower bottom dimension of the right trapezoid node is identical to the top dimension of the lower column and is connected in an alignment manner, and the upper bottom dimension of the right trapezoid node is identical to the bottom dimension of the rectangular node and is connected in an alignment manner; the top surface size of the rectangular node is larger than the bottom surface size of the upper column, and the bottom surface of the upper column is supported in the top surface area of the rectangular node.
Floor beams are respectively arranged on the periphery of the top of the lower column, and the upper edge part of each floor beam supports the floor plate and the side edge part of the Nth floor to be attached to the side wall surface of the top of the lower column.
Floor beams are respectively arranged on the periphery of the top of the right trapezoid node, and the upper edge part of each floor beam supports the floor plate and the side edge part of the (n+1) th floor to be abutted to the side wall surface of the top of the right trapezoid node.
Floor beams are respectively arranged on the periphery of the top of each rectangular node, and the upper edge part of each floor beam supports the floor plate and the side edge part of the (n+1) th floor to be abutted to the side wall surface of the top of each rectangular node.
The utility model has the advantages that:
(1) The novel reinforced concrete rigid node is adopted to connect the adjacent layer deflection column, so that the defects that the traditional conversion connection method is poor in force transmission performance and even can not be realized under small deflection are overcome; the novel node column is adopted to maintain enough strength and rigidity under various working conditions, and excellent anti-seismic performance is shown, so that the adverse effect of the adjacent layer deflection column on the whole structure is solved;
(2) The reinforced concrete rigid lap joint transition node may be formed at any layer height.
Drawings
FIG. 1 is a perspective view of a reinforced concrete column rigid lap joint transition node in accordance with the present utility model;
fig. 2 is a schematic diagram of reinforcement of a rigid lap joint transition node of a reinforced concrete column in accordance with the present utility model.
Description of the embodiments
The features of the present utility model and other related features are described in further detail below by way of example in conjunction with the following drawings, to facilitate understanding by those skilled in the art:
as shown in fig. 1-2, the marks in the figures are respectively: rigid lap joint transfer node 1, rectangular node 11, right trapezoid node 12, reinforcement 13, lower column 2, reinforcement 21, upper column 3, reinforcement 31, floor beam 4, floor slab 5, floor slab 6, floor slab 7, floor beam 8, and floor beam 9.
Examples: as shown in fig. 1 and 2, the embodiment specifically relates to a rigid lap joint conversion node of a reinforced concrete column, wherein the rigid lap joint conversion node 1 is positioned between a storey plate 7 of an nth layer and a storey plate 5 of an n+1th layer, an upper column 3 is arranged above the storey plate 5, a lower column 2 is arranged below the storey plate 7, and a horizontal offset exists between the lower column 2 and the upper column 3; the rigid lap joint conversion node 1 is composed of a right trapezoid node 12 and a rectangular node 11, which are integrated, wherein the right trapezoid node 12 is arranged between the floor plate 7 of the N layer and the floor plate 6 of the N+1 layer, and the rectangular node 11 is arranged between the floor plate 6 of the N+1 layer and the floor plate 5 of the N+2 layer.
As shown in fig. 1, the lower bottom length of the right trapezoid node 12 is smaller than the upper bottom length thereof, the lower bottom thereof is supported on the top surface of the lower column 2, and the cross section dimension of the lower bottom of the right trapezoid node 12 is identical to the top surface dimension of the lower column 2 and is matched and butted. The upper bottom of the right trapezoid node 12 supports the bottom surface of the rectangular node 11, and the cross section size of the upper bottom of the right trapezoid node 12 is identical to the bottom surface size of the rectangular node 11 and is matched and butted.
As shown in fig. 1, the rectangular node 11 has a cubic overall shape, the top cross-sectional dimension is the same as the bottom cross-sectional dimension, the width of the cross-section of the rectangular node 11 is the same as the widths of the upper column 3 and the lower column 2, and the length of the cross-section is selected by the horizontal offset between the upper column 3 and the lower column 2 (i.e., the distance between the left side wall surface of the lower column 2 and the right side wall surface of the upper column 3 as shown in fig. 1). The top surface of the rectangular node 11 supports the bottom surface of the upper column 3 and ensures that the bottom surface of the upper column 3 is within the top surface of the rectangular node 11.
As shown in fig. 1 and 2, the lower column 2, the right trapezoid node 12, the rectangular node 11 and the upper column 3 in the present embodiment are integrally cast of reinforced concrete, and when the reinforced concrete is bound, as shown in fig. 2, the reinforcing bars 13 of the rigid lap joint conversion node 1, the reinforcing bars 21 of the lower column 2 and the reinforcing bars 31 of the upper column 3 are bound and connected with each other, so that an integral structure is formed after the concrete is cast. The adjacent layer column longitudinal ribs are anchored in the rigid lap joint conversion node 1, and the anchoring length needs to meet the minimum anchoring length; composite closed stirrups are needed to be adopted within the range of the rigid lap joint conversion node 1 to form a constraint reinforced concrete member. The rigid lap joint conversion node 1 needs to carry out the checking calculation of the bending bearing capacity and the shearing bearing capacity at the joint of the adjacent layer columns so as to ensure that the bending bearing capacity of the rigid lap joint conversion node 1 is not less than 1.3 times of the column bearing capacity and the shearing bearing capacity is not less than 1.5 times of the column shearing bearing capacity. According to the actual structural requirement, the rigid lap joint conversion node 1 can be designed in a performance mode. It should be noted that, the rigid lap joint conversion node 1 adopts high-strength concrete or UHPC to ensure that the node has enough strength and rigidity, and simultaneously meets the design concept of strong-node weak members.
As shown in fig. 1, floor beams 4 are respectively arranged around the top of the lower column 2, the upper edge parts of the floor beams support the floor plates 7 of the nth floor, and the side edge parts of the floor beams 4 are abutted against the side wall surface of the top of the lower column 2 and form supporting connection. Floor beams 9 are respectively arranged on the periphery of the top of the right trapezoid node 12, the upper edge of each floor beam 9 supports the floor plate 6 of the (n+1) th floor, and the side edge of each floor beam 9 is abutted against the side wall surface of the top of the right trapezoid node 12 and forms supporting connection. Floor beams 8 are respectively arranged on the periphery of the top of the rectangular node 11, the upper edge part of each floor beam 8 supports the floor plate 5 of the (n+1) th floor, and the side edge part is abutted against the side wall surface of the top of the rectangular node 11.
The beneficial effects of this embodiment are:
(1) The novel reinforced concrete rigid node is adopted to connect the adjacent layer deflection column, so that the defects that the traditional conversion connection method is poor in force transmission performance and even can not be realized under small deflection are overcome; the novel node column is adopted to maintain enough strength and rigidity under various working conditions, and excellent anti-seismic performance is shown, so that the adverse effect of the adjacent layer deflection column on the whole structure is solved;
(2) The reinforced concrete rigid lap joint transition node may be formed at any layer height.
Claims (6)
1. The utility model provides a reinforced concrete column rigidity overlap joint conversion node, relates to the lower post that is located N layer floor below and is located N+2 layer floor top post, go up the post with there is horizontal offset down between the post, its characterized in that rigid overlap joint conversion node is including setting up in N layer and N+1 layer right trapezoid node and setting up in N+1 layer and N+2 layer between the floor, right trapezoid node's upper end length is greater than lower end length, right trapezoid node's lower end corresponds to support on the top surface of lower post, go up the end corresponds to support the bottom surface of rectangle node, the top surface of rectangle node supports the bottom surface of going up the post.
2. A reinforced concrete column rigid lap joint transition node according to claim 1, characterized in that said rigid lap joint transition node is a reinforced concrete node; the reinforcement of the rectangular nodes, the reinforcement of the right trapezoid nodes, the reinforcement of the upper column and the reinforcement of the lower column are mutually connected to form an integrated structure.
3. The reinforced concrete column rigid lap joint conversion node of claim 2, wherein the lower bottom dimension of the right trapezoid node is the same as the top dimension of the lower column and is connected in alignment, and the upper bottom dimension of the right trapezoid node is the same as the bottom dimension of the rectangular node and is connected in alignment; the top surface size of the rectangular node is larger than the bottom surface size of the upper column, and the bottom surface of the upper column is supported in the top surface area of the rectangular node.
4. The reinforced concrete column rigid lap joint conversion node of claim 1, wherein floor beams are respectively arranged around the top of the lower column, and the upper edge part of each floor beam supports the floor plate of the nth layer, and the side edge parts of the floor beams are abutted against the side wall surface of the top of the lower column.
5. The reinforced concrete column rigid lap joint conversion node of claim 1, wherein floor beams are respectively arranged around the top of the right trapezoid node, the upper edge part of each floor beam supports the floor plate of the n+1th layer, and the side edge parts of the floor plate are abutted against the side wall surface of the top of the right trapezoid node.
6. The reinforced concrete column rigid lap joint conversion node of claim 1, wherein floor beams are respectively arranged on the periphery of the top of the rectangular node, and the upper edge part of each floor beam supports the floor plate of the n+1th layer, and the side edge parts of the floor plate are abutted against the side wall surface of the top of the rectangular node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321992684.9U CN220704781U (en) | 2023-07-27 | 2023-07-27 | Reinforced concrete column rigidity overlap joint conversion node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321992684.9U CN220704781U (en) | 2023-07-27 | 2023-07-27 | Reinforced concrete column rigidity overlap joint conversion node |
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| Publication Number | Publication Date |
|---|---|
| CN220704781U true CN220704781U (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321992684.9U Active CN220704781U (en) | 2023-07-27 | 2023-07-27 | Reinforced concrete column rigidity overlap joint conversion node |
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| CN (1) | CN220704781U (en) |
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2023
- 2023-07-27 CN CN202321992684.9U patent/CN220704781U/en active Active
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