CN216892975U - Prefabricated assembled coincide steel pipe concrete shear force wall - Google Patents

Prefabricated assembled coincide steel pipe concrete shear force wall Download PDF

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Publication number
CN216892975U
CN216892975U CN202220027786.6U CN202220027786U CN216892975U CN 216892975 U CN216892975 U CN 216892975U CN 202220027786 U CN202220027786 U CN 202220027786U CN 216892975 U CN216892975 U CN 216892975U
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prefabricated
square steel
concrete
slab
steel pipe
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李赵鑫
于云龙
杨勇
薛亦聪
冯世强
陈辛
徐龙康
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

A prefabricated assembled type composite concrete filled steel tube shear wall comprises: the prefabricated composite slab comprises two prefabricated composite slabs which are vertically arranged, wherein each prefabricated composite slab comprises a prefabricated ultrahigh-performance concrete slab and steel bar trusses which are horizontally arranged on the prefabricated ultrahigh-performance concrete slab at equal intervals; a plurality of longitudinal steel bars vertically arranged between the prefabricated laminated slabs at equal intervals; the length direction of the square steel pipes is parallel to that of the prefabricated laminated slab; the bolt sleeve shear connector is arranged between the square steel pipe and the two prefabricated composite slabs, and the direction of the bolt sleeve shear connector is vertical to the plane of the prefabricated composite slabs; and cast-in-place concrete arranged between the interior of the square steel pipe and the prefabricated composite slab. The square steel pipe is used as the edge constraint component of the shear wall, so that the anti-seismic performance and the bearing capacity of the shear wall can be greatly improved; the external part of the shear wall adopts prefabricated laminated slabs, and concrete is poured in the shear wall, so that the construction progress can be greatly accelerated, and the economic benefit is good; the novel bolt sleeve shear connector is adopted to connect the edge member square steel pipe and the prefabricated composite slab, so that the construction difficulty can be greatly reduced.

Description

Prefabricated assembled coincide steel pipe concrete shear force wall
Technical Field
The utility model belongs to the technical field of buildings, and particularly relates to a prefabricated assembly type superposed concrete-filled steel tube shear wall.
Background
The traditional construction mode of the cast-in-place reinforced concrete shear wall needs a large amount of on-site supporting templates, and has the problems of high building material consumption, high building waste generation, long construction period and poor operation conditions. And the prefabricated structure can save materials and improve efficiency, is favorable for saving cost and ensuring engineering quality. Meanwhile, the existing prefabricated concrete structure steel bar grouting sleeve connection in the market still has the problems of inaccurate positioning of sleeve positions, deformation of steel bars in the installation process and the like, so that the convenient and effective prefabricated concrete wall shear wall form needs to be proposed urgently.
Disclosure of Invention
In order to overcome the defects of the prior art, meet the actual engineering requirements and solve the problems of the shear wall system, the utility model aims to provide a prefabricated assembly type superposed steel tube concrete shear wall, wherein a square steel tube is used as an edge constraint member of the shear wall, so that the seismic performance and the bearing capacity of the shear wall can be greatly improved; the prefabricated composite slab is used outside the shear wall, the bolt sleeve shear connector is adopted to connect the square steel tube and the prefabricated composite slab, and common concrete is poured between the interior of the square steel tube and the prefabricated composite slab, so that the construction progress can be greatly accelerated, the construction difficulty is reduced, and the construction method has important engineering practice significance and social and economic benefits.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a prefabricated assembly type composite concrete filled steel tube shear wall comprises:
a plurality of vertically arranged square steel pipes;
the prefabricated composite slab is connected between the adjacent square steel pipes and parallel to the length direction of the square steel pipes, a steel bar truss is arranged in the prefabricated composite slab, and the steel bar truss is connected between the adjacent square steel pipes;
the bolt sleeve shear connector is arranged on the side wall of the square steel pipe and used for connecting the square steel pipe and the prefabricated composite slab, and the length direction of the bolt sleeve shear connector is vertical to the plane of the prefabricated composite slab;
the longitudinal steel bars are arranged between the prefabricated composite slabs and are parallel to the length direction of the square steel pipes, and the longitudinal steel bars penetrate through the steel bar trusses;
and
and cast-in-place concrete arranged in the square steel tube and between the square steel tube and the prefabricated composite slab.
In one embodiment, the outer walls of the square steel tubes in the wall thickness direction are located on the same plane;
in one embodiment, the prefabricated composite slab is a thin slab formed by pouring a steel bar truss and prefabricated ultra-high performance concrete, wherein the end of the steel bar truss extends beyond the prefabricated ultra-high performance concrete.
In one embodiment, the bolt sleeve shear connector comprises a three-way sleeve and bolts perpendicular to the plane of the prefabricated laminated slab, and is used for connecting the square steel pipe which is pre-holed with the prefabricated laminated slab.
Compared with the prior art, the utility model has the beneficial effects that:
1. the structure performance is superior.
Compare in traditional reinforced concrete shear force wall, the edge restraint component of a prefabricated assembled coincide steel pipe concrete shear force wall is square steel pipe, can promote its anti-seismic performance and bearing capacity by a wide margin. Meanwhile, the prefabricated assembly type composite steel pipe concrete shear wall is characterized in that the bolt sleeve shear connector is used for connecting the square steel pipe and the prefabricated composite slab, the bolt sleeve can transmit stress, a force transmission path is obvious, and the cooperative working performance, the overall performance and the anti-seismic performance of the structure are guaranteed. The cast-in-place common concrete for the prefabricated assembly type superimposed concrete filled steel tube shear wall after the prefabricated part is installed effectively improves the integrity, the crack resistance and the durability.
2. The construction is convenient and fast.
The edge member and the laminated slab of the prefabricated assembly type laminated steel tube concrete shear wall are prefabricated in a factory, the bolt sleeve shear connector is adopted on the site to accurately connect and position, a formwork is not required on the site, the concrete is only poured on the site, the site construction process can be effectively simplified, and the construction progress is accelerated.
3. The economic benefit is remarkable.
The utility model provides a prefabricated assembled coincide steel pipe concrete shear force wall only needs to adopt the bolt to assemble the component at the job site, and the component that splices acts as the template, as the support of longitudinal reinforcement, concreting reduces workman's demand, and standardized installation can improve work efficiency, simplifies the construction process, practices thrift construction cost.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of a prefabricated composite panel according to the present invention.
FIG. 3 is a schematic view of a bolt sleeve shear connector of the present invention.
The reference numerals explain:
a square steel tube 1; prefabricating a laminated slab 2; 2-1 of a steel bar truss; 2-2 parts of ultra-high performance concrete; a bolt sleeve shear connector 3; a three-way sleeve 3-1; 3-2 parts of a bolt; longitudinal steel bars 4; concrete 5 is cast in place.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the drawings and examples.
As shown in fig. 1 and 2, the present invention is a prefabricated assembly type composite concrete filled steel tube shear wall, including:
the square steel tube 1 is an edge constraint component of the shear wall, is vertically arranged in the wall, and can be only arranged with one square steel tube 1 along the wall thickness direction, and can be arranged with a plurality of square steel tubes 1 along the wall length direction. The outer walls of each steel tube 1 are generally in the same plane.
The prefabricated composite slab 2 is provided with two prefabricated composite slabs, is arranged between the square steel pipes 1 and is parallel to the length direction of the square steel pipes 1, namely, the prefabricated composite slab is arranged along the height direction of a wall. Specifically, the method comprises the steps of prefabricating a thin plate of the ultrahigh-performance concrete 2-2 and arranging steel bar trusses 2-1 on the thin plate of the prefabricated ultrahigh-performance concrete 2-2 at equal intervals, wherein the tops of the steel bar trusses 2-) exceed the prefabricated ultrahigh-performance concrete 2-2 plate.
The bolt sleeve shear connectors 3 are multiple and can be arranged outside the square steel pipe 1 at equal intervals, and the plane direction of the prefabricated laminated slab 2 is vertical. In this embodiment, fourteen bolt sleeve shear connectors 3 are uniformly arranged along the outside of the square steel tube 1.
The longitudinal steel bars 4 can be a plurality of longitudinal steel bars, are uniformly arranged between the two prefabricated composite slabs 2, penetrate through the steel bar trusses 2-1 on the prefabricated composite slabs 2, and are parallel to the length direction of the square steel pipes 1, namely, the longitudinal steel bars are arranged along the height direction of the wall.
And cast-in-place concrete 5 filled between the interior of the square steel tube 1 of the edge member and the prefabricated composite slab 2 in the wall.
Referring to fig. 3, the bolt bush shear connector 3 is divided into two parts, and is aligned with holes reserved on the square steel pipe 1 and the prefabricated composite slab 2 by using a tee bush 3-1 in field assembly, and then fixed by using bolts 3-2.
The utility model discloses a prefabricated assembly type composite steel pipe concrete shear wall, which is characterized in that a square steel pipe 1 and a prefabricated composite slab 2 are prefabricated and formed in a factory, a novel square steel pipe 1 and the prefabricated composite slab 2 are connected through a bolt sleeve shear connector 3 on the spot, a longitudinal steel bar 4 penetrates through a steel bar truss 2-1 of the prefabricated composite slab 2, and concrete 5 is poured between the interior of the square steel pipe 1 and the prefabricated composite slab 2 on the spot, so that the prefabricated assembly type composite steel pipe concrete shear wall is obtained. The utility model adopts the idea of prefabrication and assembly, and can obtain better overall performance.
The specific construction method comprises the following steps:
in a factory, firstly, a square steel pipe with holes, a prefabricated laminated slab with holes and the top of a steel bar truss exceeding a prefabricated ultrahigh-performance concrete thin slab and a bolt sleeve shear connector with a corresponding model are manufactured. And connecting the prefabricated square steel pipe and the laminated slab by using a bolt sleeve shear connector on a construction site. And inserting longitudinal steel bars into the two prefabricated composite slabs, wherein the longitudinal steel bars penetrate through the exposed steel bar trusses on the two composite slabs, and then pouring concrete between the interior of the square steel pipe and the prefabricated composite slabs in situ to combine the interior of the square steel pipe and the prefabricated composite slabs into a whole, wherein the cast-in-situ concrete is common concrete.

Claims (4)

1. The utility model provides a prefabricated assembled coincide steel pipe concrete shear force wall which characterized in that includes:
a plurality of vertically arranged square steel pipes (1);
the prefabricated composite slab is connected between the adjacent square steel pipes (1) and parallel to the length direction of the square steel pipes (1), a steel bar truss (2-1) is arranged in the prefabricated composite slab (2), and the steel bar truss (2-1) is connected between the adjacent square steel pipes (1);
the bolt sleeve shear connector (3) is arranged on the side wall of the square steel pipe (1) and used for connecting the square steel pipe (1) and the prefabricated composite slab (2), and the length direction of the bolt sleeve shear connector (3) is perpendicular to the plane of the prefabricated composite slab (2);
the longitudinal steel bars (4) are arranged between the prefabricated composite slabs (2) and are parallel to the length direction of the square steel pipe (1), and the longitudinal steel bars (4) penetrate through the steel bar truss (2-1);
and
and cast-in-place concrete (5) arranged inside the square steel tube (1) and between the square steel tube (1) and the prefabricated composite slab (2).
2. The prefabricated assembled type laminated concrete-filled steel tube shear wall according to claim 1, wherein the outer walls of the square steel tubes (1) in the wall thickness direction are located on the same plane.
3. The prefabricated assembled type composite steel tube concrete shear wall according to claim 1, wherein the prefabricated composite slab (2) is a thin slab and is formed by pouring a steel bar truss (2-1) and prefabricated ultrahigh-performance concrete (2-2), wherein the end part of the steel bar truss (2-1) extends beyond the prefabricated ultrahigh-performance concrete (2-2).
4. The precast assembled concrete filled steel tube shear wall according to claim 1, wherein the bolt sleeve shear connectors (3) comprise three-way sleeves (3-1) and bolts (3-2) perpendicular to the plane of the precast composite slab (2) for connecting the prefabricated composite slab (2) and the square steel tubes (1) previously holed.
CN202220027786.6U 2022-01-06 2022-01-06 Prefabricated assembled coincide steel pipe concrete shear force wall Active CN216892975U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220027786.6U CN216892975U (en) 2022-01-06 2022-01-06 Prefabricated assembled coincide steel pipe concrete shear force wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220027786.6U CN216892975U (en) 2022-01-06 2022-01-06 Prefabricated assembled coincide steel pipe concrete shear force wall

Publications (1)

Publication Number Publication Date
CN216892975U true CN216892975U (en) 2022-07-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115306039A (en) * 2022-08-23 2022-11-08 中国建筑第八工程局有限公司 Assembled double-leaf superposed shear wall cavity embedded-type embedded part

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115306039A (en) * 2022-08-23 2022-11-08 中国建筑第八工程局有限公司 Assembled double-leaf superposed shear wall cavity embedded-type embedded part

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