Experimental Study on the Seismic Behavior of a Steel‐Concrete Hybrid Structure with Buckling Restrained Braces

Li, Liang; Li, Guoqiang; Zhou, Tianhua

doi:10.1155/2020/9232138

Cited by 2 publications

(2 citation statements)

References 13 publications

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“…Li et al [2] resulted that damage to a concrete wall generated by a major earthquake is typically concentrated near the bottom of the wall, posing a serious threat to the steel-concrete hybrid structure's safety and making earthquake rehabilitation extremely difficult. A steelconcrete hybrid structure with buckling restrained bracing is built and tested on a shaking table at a size of 1/10 in this study.…”

Section: Literature Reviewmentioning

confidence: 99%

Improvement in Seismic Performance of Building with BRBs

Pawar¹,

Patil²

2021

JES

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Buckling restrained braces (BRBs) are a somewhat ongoing improvement in the field of seismic-safe steel structures. Their unmistakable component is the non-clasping conduct regularly accomplished by encasing a steel center in a substantially filled cylinder. However, choices have been proposed. Controlling the support from clasping improves malleability essentially and permits symmetric reaction under pressure or pressure powers. The plan of BRB outlines should consider various explicit issues that are not covered by Indian norms and guidelines. This specific task looks at utilizing BRB inside fortifying of built-up substantial casing developments to meet seismic details dependent on the Indian seismic plan and style code. Flexible reaction range examination just as nonlinear period verifiable past assessment is finished by taking a real designing model which experiences feeble first-floor inconsistency because of extra expansion and heaps of only one story. With all the way to deal with comparable solidness just as removal-based plan technique, clasping limited support factors are reasoned and accordingly are familiar with model BRB in ETABS using plastic wen form. 3 arrangements of clasping limited sections are breaking down alongside normal supports. The relationship in the middle of the fundamental cross piece of customary supports and BRB is concluded because of the definition of computing versatile bearing ability precisely where it’s shown that the spot of the run of the mill supports must be 1.25 events that of BRB for guaranteeing the very same by and large execution. The outcome uncovers that Inverted V support design shown much better usefulness over single support just as V support setups just as X support arrangement, however not exhorted by Indian code, is mimicked just as applied to this undertaking and contains exhibited preferred execution moreover some different arrangements. The extra exploration about the practical use of this support is generally suggested. Moreover, under the movement of significant seismic tremors, by nonlinear time chronicled past assessment, clasping controlled supports showed much better usefulness of reinforcing the construction just as success runs over the need for code. Under this specific condition, conventional supports misfortunes their bearing limit because of unnecessary buckling.

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Section: Literature Reviewmentioning

confidence: 99%

Improvement in Seismic Performance of Building with BRBs

Pawar¹,

Patil²

2021

JES

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“…Li et al 14 set magnetorheological dampers in an SFRCCS to reduce the structural damage and experimentally validated the seismic control capacity of the new system. Li et al 15 installed buckling restrained braces in the SF of an SFRCCS to change the distribution of cracks in the reinforced concrete core. Shaking table test results of a 10‐story specimen showed that after installing buckling restrained braces, the cracks in the reinforced concrete core were widely distributed in stories 1–8, and the SF was basically in an elastic state under major earthquakes.…”

Section: Introductionmentioning

confidence: 99%

Seismic and collapse performance of a hybrid structure comprising steel frame with precast concrete shear walls and cladding panels

Wang

Jiang

Xiao

et al. 2022

Earthquake Engineering and Resilience

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A hybrid structure constructed by replacing external steel beams and columns in the steel frame (SF) to precast concrete shear walls with insulation (PCSWs) and precast concrete cladding panels (PCCPs, SFPCSW) is proposed in this paper to avoid the problem of columns protruding from walls and PCCPs directly connected with SF. Numerical models of the SF and SFPCSW structures are established in ETABS software based on an 18‐story assembled steel residential building to investigate the seismic performance and collapse resistance capacity of SFPCSW. Time history analysis results show that the SFPCSW exhibits bending‐shearing lateral deformation and has more uniform interstory drift ratios than the SF. Under major earthquakes (i.e., probability of exceedance of 2% in 50 years), the damage of SF is concentrated in stories 1–6; for SFPCSW, the plastic hinges mainly appear in the concrete beams between PCSWs at each story, and the damage in PCSWs and the internal frame is small. Using pinned connections between the steel beam and PCSW reduces the structural lateral stiffness and increases the earthquake load carried by the internal frame. The incremental dynamic analysis results show that the SF and SFPCSW have similar collapse resistance capacities.

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Experimental Study on the Seismic Behavior of a Steel‐Concrete Hybrid Structure with Buckling Restrained Braces

Cited by 2 publications

References 13 publications

Improvement in Seismic Performance of Building with BRBs

Improvement in Seismic Performance of Building with BRBs

Seismic and collapse performance of a hybrid structure comprising steel frame with precast concrete shear walls and cladding panels

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