Catenary action in steel framed buildings with buckling restrained braces

Eletrabi, Haitham; Marshall, Justin D.

doi:10.1016/j.jcsr.2015.04.026

Cited by 6 publications

(2 citation statements)

References 18 publications

(19 reference statements)

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“…The collapse mechanisms of steel frames with bracing systems have been studied by many researchers [18][19][20][21][22][23][24][25][26]. Jiang et al [18] numerically investigated the robustness of steel frames with vertical and hat bracing systems.…”

Section: Introductionmentioning

confidence: 99%

Progressive Collapse Mechanism of Steel Framed-Structures Subjected to a Middle-Column Loss

2021

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This paper analytically deals with the collapse resistance of steel framed -structures due to a middle column loss. The fourstage resistance-displacement relationships are proposed for both the bare steel frame and the braced steel frame. The reliability of the analytical method is verified against numerical analyses. Parametric studies are conducted to investigate the effects of frame height, span and stiffness ratio of beam to column on the collapse resistance of the frame. It is concluded that the yielding capacity, ultimate capacity, post-yielding stiffness and ultimate displacement of the steel frames can be reasonably predicted by the analytical method with acceptable errors. It is found that a greater number of storeys, shorter span of beams and larger beam to column stiffness ratio ensure better performances of the frame against collapse. Moreover, even though the bracing system can enhance the lateral stiffness of the main steel frame with certain extents, it reduces t he collapse resistance and failure displacement of the frame because the column at the base -storey prematurely loses its stability.

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Section: Introductionmentioning

confidence: 99%

Progressive Collapse Mechanism of Steel Framed-Structures Subjected to a Middle-Column Loss

2021

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“…In practical engineering, BRBs are widely used in concrete structures, and the failure mode of a concrete structure equipped with BRBs has attracted the attention of many researchers [6][7][8][9][10]. Wu et al [11] investigated the seismic behaviour of a concrete frame with BRBs by performing a pseudo-static test; the results indicate that the RC frame is damaged earlier than BRBs.…”

Section: Introductionmentioning

confidence: 99%

A New Buckling-Restrained Brace with a Variable Cross-Section Core

Zhou

Chen

et al. 2019

Advances in Civil Engineering

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In this paper, a new type of buckling-restrained brace characterized by a variable cross-section core (BRB-VCC) is proposed and investigated. The practical design equations of the BRB-VCC are derived based on mechanical and mathematical theories. Six specimens are designed and tested to clarify the mechanical behaviours of the BRB-VCC and to validate the reliability of the proposed equations. The test results show that (1) none of the specimens buckle under compression, as expected, and their ductilities and energy dissipation capacities are satisfactory; (2) the derived formulas are reliable and can be conveniently used in engineering practice; and (3) the yielding displacement of the BRB-VCC is approximately 70% that of the traditional TJ-1 buckling-restrained brace (BRB-TJ-1), which may yield earlier than the BRB-TJ-1 in concrete structures under the action of an earthquake.

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Efficiency of employing fiber-based finite-length plastic hinges in simulating the cyclic and seismic behavior of steel hollow columns compared with other common modelling approaches

Farahi

Erfani

2019

Earthq. Eng. Eng. Vib.

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Catenary action in steel framed buildings with buckling restrained braces

Cited by 6 publications

References 18 publications

Progressive Collapse Mechanism of Steel Framed-Structures Subjected to a Middle-Column Loss

Progressive Collapse Mechanism of Steel Framed-Structures Subjected to a Middle-Column Loss

A New Buckling-Restrained Brace with a Variable Cross-Section Core

Efficiency of employing fiber-based finite-length plastic hinges in simulating the cyclic and seismic behavior of steel hollow columns compared with other common modelling approaches

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