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Buckling restrained brace large cantilever structure system

A technology of buckling beam bracing and large cantilever, applied in building components, building structures, building types, etc., can solve problems such as easy buckling, reduced bearing capacity and stiffness, and achieve stable hysteretic performance and increased stability. And deformation ability, good effect of anti-seismic effect

Pending Publication Date: 2019-10-25
THE THIRD CONSTR OF CHINA CONSTR EIGHTH ENG BUREAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems existing in the prior art that the common steel support structure is used in the structural system, it is easy to buckle under pressure, and its bearing capacity and stiffness will drop sharply. The present invention provides a large cantilever structure system supported by buckling

Method used

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  • Buckling restrained brace large cantilever structure system
  • Buckling restrained brace large cantilever structure system
  • Buckling restrained brace large cantilever structure system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as Figure 1-3 As shown, a large cantilevered structure system supported by the buckling restraint system includes a concrete composite column 1, a special-shaped cantilever beam 2 and a buckling restraint support 3 arranged between the concrete composite column 1 and the special-shaped cantilever beam 2; The concrete composite column 1 and the buckling bundle support 3, the special-shaped cantilever beam 2 and the buckling bundle support 3 are all connected by a fabricated metal connector 4.

[0033] The flexion restraint support 3 at least includes a first flexion restraint support 31, a second flexion restraint support 32, and a third flexion restraint support 33 each connected to the concrete composite column 1 at one end; The flexion restraint support 31 and the third flexion restraint support 33 are respectively provided on two sides of the second flexion restraint support 32 along the cantilever direction of the cantilever beam; the other end of the first flexi...

Embodiment 2

[0036] Such as Figure 4 , 5 As shown, on the basis of Embodiment 1, the fabricated metal connector 4 includes a composite column connector 41 and a cantilever beam connector 42; the composite column connector 41 connects the concrete composite column 1 with the buckling beam system Support 3, the cantilever beam connector 42 connects the special-shaped cantilever beam 2 and the buckling restraint support 3; the combined column connector 41 includes a first connector 411 and a second connector 412 that cooperate with each other; One end of the first connecting piece 411 is matched with one end of the second connecting piece 412; the other end of the first connecting piece 411 is fixed to the buckling restraint support 3, and the other end of the second connecting piece 412 is combined with concrete The column 1 is fixed; the cantilever beam connector 42 includes a third connector 421 and a fourth connector 422 that cooperate with each other; one end of the third connector 421 is...

Embodiment 3

[0039] On the basis of Example 2, the concrete composite column 1 includes a square-section steel column 11, concrete 12 poured into the square-section steel column 11, an energy-consuming metal plate 13 welded to the top of the square-section steel column 11, and one end and The energy-consuming metal plate 13 is fixed, and the other end is embedded in the embedded part 14 inside the concrete 12.

[0040] The first flexion-beam support 31 and the second flexion-beam support 32 are both connected to the energy-dissipating metal plate 13 on the top of the concrete composite column 1 through a composite column connector 41; the third flexion support 33 The composite column connector 41 is connected to the side wall of the concrete composite column 1; the composite column connector 41 is connected with the energy-consuming metal plate 13, and the composite column connector 41 is connected with the side wall of the concrete composite column 1 by blind bolts.

[0041] The first connecti...

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Abstract

The invention relates to a buckling restrained brace large cantilever structure system, and belongs to the field of structural engineering. The structure system comprises a concrete combined column, aspecial-shaped cantilever beam and a buckling restrained brace arranged between the concrete combined column and the special-shaped cantilever beam; and the concrete combined column and the bucklingrestrained brace, and the special-shaped cantilever beam and the buckling restrained brace are connected through assembled metal connecting pieces. The buckling restrained brace is adopted as a support member of the structure system, and the special-shaped cantilever beam is connected with a square-section combined column; and the whole anti-seismic performance of the large cantilever structure system is effectively improved by utilizing the good energy dissipation and shock absorption effects of the buckling restrained brace. All parts of components in the whole structure system are connectedin an all-bolt connection mode, the field welding work is reduced, the connection is safe and reliable, the field assembly degree is high, the construction speed is high, the construction quality iseasy to guarantee, and the comprehensive cost performance is greatly improved.

Description

Technical field [0001] The invention relates to the field of structural engineering, in particular to a large cantilevered structure system supported by a buckling restraint system. Background technique [0002] In recent years, the spatial structure system represented by the large cantilevered awning has become one of the most active areas of architectural structure development. Most of the stadiums, airports, railway stations and large theaters built in my country are large cantilevered structures with different shapes, which have the advantages of large span and light weight. The light weight and large span make their natural frequency close to the excellent frequency of natural wind, resulting in Its structure has the disadvantage of weak wind resistance. And most of them use ordinary steel support structures, their mechanical behavior is unstable, and the energy dissipation performance of the components cannot be effectively utilized. The seismic response of the structure sy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/342E04B1/98E04H9/02E04B1/41
CPCE04B1/342E04H9/021E04B1/41
Inventor 徐成荣王静峰江山金磊黄星海王新乐高翔胡舜
Owner THE THIRD CONSTR OF CHINA CONSTR EIGHTH ENG BUREAU
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