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Slab-column middle joint connection structure and steel tube concrete slab-column structure and construction method thereof

A reinforced concrete slab and node connection technology, which is applied in the direction of columns, pier columns, pillars, etc., can solve the problems of collapse of the overall structure, poor punching resistance of shear reinforcement and anchor bolts, damage of adjacent nodes, etc., and achieve anti-shock The effect of improving cutting performance and accelerating construction efficiency

Inactive Publication Date: 2020-08-14
NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
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Problems solved by technology

[0003] The advantages of the CFST slab-column structure are outstanding, but punching damage is prone to occur at the joints in the slab-column, and triggers a chain effect, causing damage to adjacent nodes, resulting in the collapse of the overall structure
In order to prevent this kind of failure, the punching shear bearing capacity of mid-joints is usually increased by configuring shear reinforcement and setting anchor bolts. Punching resistance needs at

Method used

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  • Slab-column middle joint connection structure and steel tube concrete slab-column structure and construction method thereof
  • Slab-column middle joint connection structure and steel tube concrete slab-column structure and construction method thereof
  • Slab-column middle joint connection structure and steel tube concrete slab-column structure and construction method thereof

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] The object of the present invention is a slab-column mid-node connection structure, a steel tube concrete slab-column structure and a construction method that have good punching resistance at the mid-slab-column joint and can meet the punching-shear resistance requirement at the mid-slab-column joint.

[0030] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further de...

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Abstract

The invention discloses a slab-column middle joint connection structure, a steel tube concrete slab-column structure comprising the slab-column middle joint connection structure, and a construction method for the steel tube concrete slab-column structure, and relates to the field of steel tube concrete stiffening hybrid structures. The slab-column middle joint connection structure comprises a square steel pallet, four positioning steel plate components and a positioning slider component. Compared with traditional methods of anchor bolts and shear reinforcements and the like, the square steel pallet, the positioning steel plate components and the positioning slider component can be combined to achieve continuous shear resistance. Punching resistance performance of a slab-column middle jointis greatly improved and needs of the punching resistance of the slab-column middle joint are met. At the same time, the positioning slider component can be used to realize an accurate positioning ofan upper bidirectional steel net and a lower bidirectional steel net and construction efficiency is accelerated.

Description

technical field [0001] The invention relates to the field of steel tube concrete stiffening hybrid structures, in particular to a joint connection structure in a slab-column, a steel tube concrete slab-column structure and a construction method. Background technique [0002] The concrete-filled steel tube slab-column (concrete-filled steel tube laminated column-reinforced concrete slab) structure is a further development of the traditional frame structure. Because there are no beams between the columns, the building space can be fully utilized, the overall building height is reduced, and the room partition layout is flexible. At the same time, the concrete-filled steel tube composite column has a high bearing capacity, which can effectively reduce the section size of the column, further increase the usable space, have good economic benefits, and meet people's housing needs to a great extent. [0003] The advantages of the CFST slab-column structure are outstanding, but punch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/38E04G21/00E04C3/34E04C2/06
CPCE04B1/38E04G21/00E04C3/34E04C2/06E04B1/388
Inventor 陈建伟王占文车文鹏张瑞边瑾靓姚久顺
Owner NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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