CN211923635U - Shear reinforcement structure that shears in concrete shear force wall even roof beam and wall beam connected node region - Google Patents

Shear reinforcement structure that shears in concrete shear force wall even roof beam and wall beam connected node region Download PDF

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Publication number
CN211923635U
CN211923635U CN202020127418.XU CN202020127418U CN211923635U CN 211923635 U CN211923635 U CN 211923635U CN 202020127418 U CN202020127418 U CN 202020127418U CN 211923635 U CN211923635 U CN 211923635U
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CN
China
Prior art keywords
steel plate
wall
square
shear
connecting beam
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Expired - Fee Related
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CN202020127418.XU
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Chinese (zh)
Inventor
黄新良
徐金俊
汪小鹏
毛德灿
陈文广
骆朝辉
刘遵良
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Zhejiang Hanlin Architectural Design Co ltd
Nanjing Tech University
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Zhejiang Hanlin Architectural Design Co ltd
Nanjing Tech University
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Priority to CN202020127418.XU priority Critical patent/CN211923635U/en
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Publication of CN211923635U publication Critical patent/CN211923635U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a concrete shear wall is roof beam and wall roof beam connected node region shear reinforcement structure even, the node region that concrete shear wall and even roof beam are connected adopts the rectangle steel sheet to consolidate, and the rectangle steel sheet adopts high strength bolt to wear the anchor with concrete shear wall, the side of even roof beam transversely equally divides into a plurality of the same square unit modules, and the summit department of square unit module is L shape angle steel and rectangle steel band, and the center of every square unit module adopts the mode of drilling to inlay a square steel sheet, adopts high strength bolt to wear to connect between square steel sheet and the even roof beam; the square steel plate is connected with the top point of the square unit module in a welding mode through the oblique shear-resistant steel plate; the connection mode can improve the integral shearing resistance and bearing capacity of the connecting beam and has a certain protection effect on the substructure formed by the shearing wall and the connecting beam. The utility model has the characteristics of the atress is reasonable, pass the power clear and definite, simple structure just has higher anti-shear bearing capacity and anti-seismic performance.

Description

Shear reinforcement structure that shears in concrete shear force wall even roof beam and wall beam connected node region
Technical Field
The utility model belongs to the technical field of structural engineering, concretely relates to concrete shear force wall is roof beam and wall roof beam connected node domain reinforced structure that shears.
Background
The concrete shear wall is used as a type of high-rise building lateral force resistant member and plays a role in resisting horizontal load. The shear wall structure is widely applied at home and abroad and is a structural form with frequent accidents in engineering. According to the needs of building functions, door and window openings and the like are often formed in the shear wall structure to meet the functions of passing, ventilation, lighting and the like, and the walls are connected through connecting beams. The seismic damage of the past shows that the damage of the shear wall structure mostly occurs in the connecting beam and the node area where the connecting beam is connected with the shear wall, and the connecting beam is usually subjected to shear damage due to small shear span ratio. Obviously, the shear failure of the coupling beam is brittle failure, and the improvement of the shear resistance is particularly critical; and insufficient shear resistance of the node domain can cause internal force redistribution in the shear wall, so that secondary damage can possibly occur. The utility model provides a solve above-mentioned problem, provide a reinforced structure in company's roof beam and node domain, adopt the steel sheet to consolidate in company's roof beam and wall beam node domain of concrete shear force wall. The utility model has the characteristics of the atress is reasonable, pass the power clear and definite, simple structure just has higher anti-shear bearing capacity and anti-seismic performance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a purpose is in order to solve the not enough problem of ability of shearing that exists among the well-known technique, provides a link roof beam and node field reinforced structure, adopts the steel sheet to consolidate link roof beam and wall beam node field of concrete shear force wall, has the characteristics with the steel volume is few, the wholeness is good, anti-seismic performance is strong.
The utility model adopts the technical proposal that: a shear-resistant reinforcing structure for a concrete shear wall coupling beam and a wall beam connecting joint region comprises a concrete shear wall and a coupling beam;
the node area where the concrete shear wall is connected with the connecting beam is reinforced by adopting a rectangular steel plate, the rectangular steel plate and the concrete shear wall are oppositely anchored by adopting high-strength bolts, the side edge of the rectangular steel plate close to the connecting beam is flush with the edge of the concrete shear wall, and the centroid of the rectangular steel plate and the centroid of the side surface of the connecting beam are positioned on the same horizontal plane;
l-shaped angle steels are arranged at the edges of the top surface and the bottom surface of the connecting beam, and rectangular steel belts are arranged on the top surface and the lower surface of the connecting beam at equal intervals;
the side surface of the connecting beam is transversely and equally divided into a plurality of same square unit modules, the square module units divide the connecting beam into a plurality of (generally 3-5) square modules according to 1 time of the height of the connecting beam, and the oblique shear-resistant steel plate in the square module units keeps an angle of 45 degrees with the horizontal included angle. The top points of the square unit modules are provided with the L-shaped angle steel and the rectangular steel strip, the center of each square unit module is embedded with a square steel plate in a drilling mode, and the square steel plates are connected with the connecting beams in a penetrating mode through high-strength bolts; the square steel plate is connected with the top point of the square unit module in a welding mode through the oblique shear-resistant steel plate; the connection mode can improve the integral shear resistance of the connecting beam and has a certain protection effect on a substructure formed by the shear wall and the connecting beam.
Preferably, the thicknesses of the L-shaped angle steel, the rectangular steel plate, the rectangular steel strip, the oblique shear steel plate and the square steel plate are 10-20 mm.
Preferably, the height of the rectangular steel plate is 2 times of the height of the connecting beam, and the width of the rectangular steel plate is equal to the height of the connecting beam.
Preferably, the side surface of the connecting beam is transversely and equally divided into 3-5 identical square unit modules.
Has the advantages that: the utility model reinforces the connecting beam between the shear walls and the surface of the node area of the shear walls and the connecting beam, thereby improving the shear resistance mechanical property of the connecting beam, and has the conditions of insufficient reinforcement for the connecting beam 1), cracking in 2), and using the building after 3) earthquake, but the connecting beam has slight cracking phenomenon; the shear resistance can be greatly improved by adopting the measure for reinforcement. The bolt is arranged to anchor the steel plate to enhance the bonding force between the steel plate and the connecting beam, and the two ends of the steel plate are fixed on the surface of the connecting beam in a welding mode, so that the shearing resistance of the connecting beam and a node region can be greatly improved. Due to the setting of the mode, the connecting beam has the characteristics of simple structure and steel saving, and has certain integrity and seismic performance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The concrete shear wall comprises 1 a concrete shear wall 2, rectangular steel plates 3, L-shaped angle steels 4, rectangular steel belts 5, square steel plates 6, shear steel plates 7 and high-strength bolts.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a shear-resistant reinforcing structure for a concrete shear wall coupling beam and a wall beam connecting node region comprises a concrete shear wall 1 and a coupling beam;
the node area where the concrete shear wall 1 is connected with the connecting beam is reinforced by adopting a rectangular steel plate 2, the rectangular steel plate 2 and the concrete shear wall 1 are anchored by adopting high-strength bolts 7 in a penetrating way, the side edge of the rectangular steel plate 2 close to the connecting beam is flush with the edge of the concrete shear wall 1, and the centroid of the rectangular steel plate 2 and the centroid of the side surface of the connecting beam are positioned on the same horizontal plane; the height of the rectangular steel plate 2 is 2 times of the height of the connecting beam, and the width of the rectangular steel plate 2 is equal to the height of the connecting beam.
The edge of the top surface and the edge of the bottom surface of the connecting beam are provided with L-shaped angle steels 3, rectangular steel belts 4 are arranged on the top surface and the bottom surface of the connecting beam at equal intervals, the side surface of the connecting beam is transversely and equally divided into 3-5 identical square unit modules, the L-shaped angle steels 3 and the rectangular steel belts 4 are arranged at the top points of the square unit modules, a square steel plate 5 is embedded in the center of each square unit module in a drilling mode, and the square steel plates 5 are connected with the connecting beam in a penetrating mode through high-strength bolts 7; the square steel plate 5 is connected with the top point of the square unit module in a welding mode through an oblique shear-resistant steel plate 6; the connection mode can improve the integral shear resistance of the connecting beam and has a certain protection effect on a substructure formed by the shear wall and the connecting beam. The thicknesses of the L-shaped angle steel 3, the rectangular steel plate 2, the rectangular steel belt 4, the shear-resistant steel plate 6 and the square steel plate 5 are all 10-20 mm.
The embodiments of the present invention are described in detail with reference to the drawings, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments will occur to those skilled in the art and are intended to be within the scope of the present principles and the spirit of the invention.

Claims (4)

1. The utility model provides a concrete shear force wall is roof beam and wall beam connected node domain reinforced structure that shears which characterized in that: comprises a concrete shear wall and a coupling beam;
the node area where the concrete shear wall is connected with the connecting beam is reinforced by adopting a rectangular steel plate, the rectangular steel plate and the concrete shear wall are oppositely anchored by adopting high-strength bolts, the side edge of the rectangular steel plate close to the connecting beam is flush with the edge of the concrete shear wall, and the centroid of the rectangular steel plate and the centroid of the side surface of the connecting beam are positioned on the same horizontal plane;
l-shaped angle steel is arranged at the connection part of the top surface and the bottom surface of the connecting beam and the shear wall, the L-shaped angle steel is connected with the rectangular steel plate of the outer shear wall in a welding mode, and rectangular steel belts are arranged on the top surface and the bottom surface of the connecting beam at equal intervals;
the side surface of the connecting beam is transversely and evenly divided into a plurality of identical square unit modules, the top points of the square unit modules are provided with the L-shaped angle steel and the rectangular steel strip, the center of each square unit module is embedded with a square steel plate in a drilling mode, and the square steel plates are connected with the connecting beam in a penetrating mode through high-strength bolts; the square steel plate is connected with the top point of the square unit module in a welding mode through a 45-degree oblique shear steel plate.
2. The concrete shear wall coupling beam and wall beam connecting node domain shear reinforcement structure of claim 1, wherein: the thickness of the L-shaped angle steel, the rectangular steel plate, the rectangular steel belt, the shear-resistant steel plate and the square steel plate is 10-20 mm.
3. The concrete shear wall coupling beam and wall beam connecting node domain shear reinforcement structure of claim 1, wherein: the height of the rectangular steel plate is 2 times of the height of the connecting beam, and the width of the rectangular steel plate is equal to the height of the connecting beam.
4. The concrete shear wall coupling beam and wall beam connecting node domain shear reinforcement structure of claim 1, wherein: the side face of the connecting beam is transversely and equally divided into 3-5 identical square unit modules.
CN202020127418.XU 2020-01-20 2020-01-20 Shear reinforcement structure that shears in concrete shear force wall even roof beam and wall beam connected node region Expired - Fee Related CN211923635U (en)

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CN202020127418.XU CN211923635U (en) 2020-01-20 2020-01-20 Shear reinforcement structure that shears in concrete shear force wall even roof beam and wall beam connected node region

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020127418.XU CN211923635U (en) 2020-01-20 2020-01-20 Shear reinforcement structure that shears in concrete shear force wall even roof beam and wall beam connected node region

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111140031A (en) * 2020-01-20 2020-05-12 浙江汉林建筑设计有限公司 Shear reinforcement structure that shears in concrete shear force wall even roof beam and wall beam connected node region

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111140031A (en) * 2020-01-20 2020-05-12 浙江汉林建筑设计有限公司 Shear reinforcement structure that shears in concrete shear force wall even roof beam and wall beam connected node region

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Granted publication date: 20201113