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Self-resetting connecting joint between steel frame and composite wallboard and fabricated building thereof

A technology of composite wall panels and connecting nodes, which is used in buildings, building components, building structures, etc., can solve problems such as high maintenance costs, impact on structural durability, and self-heavy weight, so as to improve the degree of integration and reduce structural losses. , the effect of reducing permanent damage

Pending Publication Date: 2022-05-31
SHENZHEN YJY BUILDING TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] (1) The RC shear wall structure embedded in the traditional steel frame has many consumables, heavy weight, high cost, and high maintenance cost after the structure is damaged
[0004] (2) Although the traditional concrete sandwich wall has good thermal insulation performance, when the concrete cladding is thin, it mainly shows the characteristics of non-structural components similar to the filling wall, and the mechanical properties such as bearing capacity and stiffness are average; thicker concrete cladding is used When its own weight is larger
[0005] (3) The research on the structural system of frame-supported densely ribbed composite wall mainly focuses on the synergistic structure of reinforced concrete frame and densely ribbed composite wall. Connector performance research
In addition, the traditional frame-supported dense-ribbed composite wall panel structure adopts an embedded structure, and when it is combined with a steel frame to form a synergistic structure, the frame columns are exposed, which is not conducive to the corrosion resistance of the steel structure and affects the durability of the structure
[0006] (4) Under the action of load, the residual deformation of the connection node is relatively large, it does not have the ability of self-resetting, and to a certain extent, it cannot meet the requirements of large deformation of the structure, etc.

Method used

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  • Self-resetting connecting joint between steel frame and composite wallboard and fabricated building thereof
  • Self-resetting connecting joint between steel frame and composite wallboard and fabricated building thereof
  • Self-resetting connecting joint between steel frame and composite wallboard and fabricated building thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] like Figure 1-2 As shown, this embodiment provides a self-resetting connection node between a steel frame and a composite wall panel, including: a frame 10 , a composite wall panel 13 and a self-resetting connector 20 ; the frame 10 includes a beam 11 and a column 12 . The composite wall panel 13 is arranged on the frame through a plurality of the self-resetting connectors 20; the self-resetting connectors 20 include a middle cylinder 21; Two straight line segments arranged in parallel, and two arc segments arranged symmetrically on both sides; the middle cylinder 21 is fixedly connected to the frame and the composite wall panel 13 through the two straight line segments, respectively. The intermediate cylinder 21 is filled with a heat insulating material 22 . The thermal insulation material 22 is preferably foamed aluminum. The self-reset connector 20 is made of a metal plate, and has a self-reset capability under the action of its own elasticity.

[0070] The struc...

Embodiment 2

[0075] refer to Figure 4 As shown, the present embodiment discloses a prefabricated building using the above-mentioned self-resetting steel frame composite wall panels to connect nodes, which includes: beams 11, columns 12, heat insulation boards 14 and cantilever beams 11a arranged outdoors; The connecting end of the cantilever beam 11a is provided with an end plate 16; the cantilever beam 11a is fixedly connected with the column body 12 through the end plate 16; the heat insulation plate 14 is arranged between the end plate 16 and the column body 12, and the heat insulation plate 14 is heated by the heat preservation plate 16. It is made of material for blocking heat conduction between the column 12 and the end plate 16 and the cantilever beam 11a.

[0076] In the present application, a thermal insulation board 14 is arranged between the cantilever beam 11a and the column body 12, and the thermal insulation board 14 is made of a thermal insulation material with low thermal ...

Embodiment 3

[0089] The structure of this embodiment is basically the same as that of Embodiment 2, and the difference is:

[0090] refer to Figure 12 As shown, this embodiment also includes a prefabricated cap 4a and a pile body 9, the prefabricated ground beam 1a is overlapped on the prefabricated cap 4a; the bottom of the prefabricated cap is connected with the pile body 9. The outside of the frame 10 is provided with cantilever beams 11a.

[0091] Preferably, the pile body 9 includes a concrete pile 101 and a steel pipe pile 100; on the horizontal projection plane, one or several steel pipe piles 100 are arranged between two adjacent concrete piles 101; The length of the pile is greater than the length of the steel pipe pile. The bottom of the concrete pile rests against a harder geological layer.

[0092] On the basis of the above scheme, more preferably, refer to Figure 13-16 As shown, the steel pipe pile 100 includes: a hollow steel pipe 110 and a rotatable stiffener assembly 12...

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Abstract

The invention provides a self-resetting connecting joint between a steel frame and a composite wallboard and a fabricated building thereof. The composite wallboard connecting joint comprises the steel frame, the composite wallboard and a self-resetting connecting piece. The composite wallboard is arranged on the frame through the plurality of self-resetting connecting pieces; the self-resetting connecting piece comprises a middle cylinder body; the cross section of the middle cylinder is in a long circle shape, and the middle cylinder comprises two straight line sections arranged in parallel and two arc sections symmetrically arranged on the two sides. And the middle barrel is fixedly connected with the frame and the composite wallboard through the two linear sections respectively. According to the structural form of the self-resetting connecting piece, energy can be effectively absorbed and consumed, the self-resetting connecting piece has certain self-resetting capacity, particularly, residual deformation of the structure after unloading in the early stage is basically zero, and residual deformation of the structure after loading is still small. And the permanent damage of the structure can be effectively reduced through reduction of residual deformation, the loss of the structure is reduced, and the repairability of the structure is improved.

Description

technical field [0001] The invention relates to the technical field of construction, in particular to a self-resetting connection node between a steel frame and a composite wall panel and an assembled building thereof. Background technique [0002] Prefabricated buildings have been widely popularized and applied due to their high efficiency and ease of implementation. However, there are the following deficiencies or defects between the frame and the wall of the existing prefabricated building: [0003] (1) The traditional steel frame embedded RC shear wall structure has many consumables, heavy self-consumption, high construction cost, and high maintenance cost after the structure is damaged. [0004] (2) Although the traditional concrete sandwich wall has good thermal insulation performance, when the concrete cladding is thin, it mainly exhibits the characteristics of non-structural components similar to the infill wall, and the mechanical properties such as bearing capacit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/38E04B1/00E04B2/58E04B1/76E04B1/80E04B2/00E04C2/288E04C2/30E02D27/14E02D5/28E02D5/30
CPCE04B1/38E04B1/00E04B2/58E04B1/76E04B1/80E04B2/00E04C2/288E04C2/30E02D27/14E02D5/285E02D5/30E04B1/388Y02B30/90
Inventor 龚超贾明明徐雯雯陈宗科王建中邱林波刘信
Owner SHENZHEN YJY BUILDING TECH
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