Seismic Reinforcement Application of Buckling-Restrained Braces in the Bottom Frame-Shear Wall Structure

Pei Song Liu; Liang Bai

doi:10.4028/www.scientific.net/AMR.919-921.1012

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 919-921Seismic Reinforcement Application of...

Seismic Reinforcement Application of Buckling-Restrained Braces in the Bottom Frame-Shear Wall Structure

Abstract:

Bottom frame-shear wall structure is a kind of special structure, due to the inharmonious relationship between the frame and masonry walls in bearing lateral capacity and deformation ability, the difference of vertical stiffness in the bottom frame-shear wall structure is bigger, so the structural seismic performance is poor. A six layer bottom frame-shear wall structure seismic strengthening project is established in order to contrastive analyze two kinds of reinforcement scheme, which are additional RC shear wall and additional buckling constraints. Calculation and analysis results show that through setting buckling constraint support in the bottom layer of reinforced concrete frame and selecting rational mechanical parameters, can increase lateral stiffness, reduce the lateral deformation and realize the effect of multichannel fortification. At the same time, the advantage of easy to implement is belong to bottom frame-shear wall structure.

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Periodical:

Advanced Materials Research (Volumes 919-921)

Pages:

1012-1015

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.919-921.1012

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Online since:

April 2014

Authors:

Pei Song Liu, Liang Bai

Keywords:

Bottom Frame Shear Wall Structure, Buckling-Restrained Braces, Seismic Strengthening, Stiffness

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