RESEARCH ON SEISMIC COLLAPSE MARGIN RATIO OF V-SHAPE CBSF CONSIDERING STRUCTURAL INFLUENCING COEFFICIENT

Qi Yongsheng  Gu Qiang  Zhao Fenghua

doi:10.13204/j.gyjz201506028

Volume 45 Issue 6

Aug. 2015

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2015 > 45(6): 145-149

Ge Wenjie, Zhang Jiwen, Dai Hang, Tu Yongming. EXPERIMENTAL STUDY ON THE FLEXURAL BEHAVIOR OF CONCRETE BEAM REINFORCED WITH HRBF400 STEEL BARS[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(6): 71-74. doi: 10.13204/j.gyjz201106015

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Qi Yongsheng Gu Qiang Zhao Fenghua, . RESEARCH ON SEISMIC COLLAPSE MARGIN RATIO OF V-SHAPE CBSF CONSIDERING STRUCTURAL INFLUENCING COEFFICIENT[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(6): 145-149. doi: 10.13204/j.gyjz201506028

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RESEARCH ON SEISMIC COLLAPSE MARGIN RATIO OF V-SHAPE CBSF CONSIDERING STRUCTURAL INFLUENCING COEFFICIENT

doi: 10.13204/j.gyjz201506028

Qi Yongsheng Gu Qiang Zhao Fenghua,

Publish Date: 2015-06-20

Abstract

Abstract

Five typical V-shape concentrically braced steel frames ( CBSF) in zones of seismic intensity VII were designed and their seismic safety was studied according to seismic collapse assessment system of FEMA P695． The results show that the CBSFs based structural influencing coefficientR=3. 2 possess enough anti-collapse capacity， can provide safe room，furthermore，they possess stronger anti-collapse capacity than that ofno callapse in strong earthquake，so that their collapse probability can be accepted under specially strong earthquakes，which can be used in seismic performance-based design．
- seismic collapse,
- collapse margin ratio,
- CBSF,
- IDA,
- safety

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