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Seismic Vulnerability Analysis of Single-Story Reinforced Concrete Industrial Buildings with Seismic Fortification

查看全文 作　　者：Jieping [1]Liu;Lingxin [1]Zhang;Haohao [2]Zhang;Tao [1]Liu 高影响力作者 机构地区：[1]Key Laboratory of Earthquake Engineering and Engineering Vibration,Institute of Engineering Mechanics,China Earthquake Administration,Nangang District,Harbin,150080,China;[2]School of Civil Engineering,Southeast University,Xuanwu District,Nanjing,211189,China高影响力机构 出　　处：《Structural Durability & Health Monitoring》索引2019年第13卷第2期,共20页高影响力期刊 摘　　要：As there is a lack of earthquake damage data for factory buildings with seismic fortifications in China,seismic vulnerability analysis was performed by numerical simulation in this paper.The earthquake-structure analysis model was developed with considering the influence of uncertainties of the ground motion and structural model parameters.The small-size sampling was conducted based on the Latin hypercube sampling and orthogonal design methods.Using nonlinear analysis,the seismic vulnerability curves and damage probability matrix with various seismic fortification intensities(SFI)were obtained.The seismic capacity of the factory building was then evaluated.The results showed that,with different designs at different SFIs,the factory building could consistently achieve the three seismic fortification objectives.For the studied factory buildings with the SFI of 6,they satisfied the seismic fortification requirements of“no damage in moderate earthquakes,mendable in strong earthquakes”;for those buildings with SFIs of 7 and 8,the requirement of“no collapsing in super strong earthquakes”was generally met;while for those with SFIs of 9,the requirement of“mendable in moderate earthquakes”was almost satisfied.The results showed factory buildings designed with low SFIs are better at achieving the seismic fortification objectives than those designed with high SFIs. 关 键 词：Seismic VULNERABILITY ANALYSIS uncertainty LATIN HYPERCUBE sampling orthogonal design nonlinear time history ANALYSIS FACTORY buildings
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