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LI Jian-qin, GAO Xiang-yu, LIU Chao. Calculation of Inter-story Stiffness and Relative Design Parameters in Frame With BRB Considering Flexural Deformation[J]. Journal of Beijing University of Technology, 2015, 41(3): 403-411. DOI: 10.11936/bjutxb2014080012
Citation: LI Jian-qin, GAO Xiang-yu, LIU Chao. Calculation of Inter-story Stiffness and Relative Design Parameters in Frame With BRB Considering Flexural Deformation[J]. Journal of Beijing University of Technology, 2015, 41(3): 403-411. DOI: 10.11936/bjutxb2014080012
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Calculation of Inter-story Stiffness and Relative Design Parameters in Frame With BRB Considering Flexural Deformation

  • College of Architecture and Civil Engineering,Beijing University of Technology, Beijing 100124, China

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  • Received Date: August 03, 2014
  • Available Online: January 10, 2023
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  • Traditional design method of FBRB( frame with buckling-restrained braces) which only considered inter-story shear deformation,ignoring flexural deformation of FBRB,did not conform to the deformation characteristic of FBRB. For accurately calculating the inter-story lateral stiffness,the authors presented formulas to calculate inter-story stiffness of BRB and the stiffness adjusting coefficient,considering flexural deformation and basing inter-story shear deformation model. Some design parameters of BRB were discussed under considering flexural deformation,and these parameters could be used in equivalent linearization method.
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