东南大学学报（英文版）2023，Vol.39Issue(4)：350-360,11.DOI:10.3969/j.issn.1003-7985.2023.04.004
非结构构件抗震性能检测楼层反应谱
Floor response spectra for seismic performance tests of nonstructural components
摘要
Abstract
To determine the inputs of shaking table tests for acceleration-sensitive nonstructural components(NSCs),floor acceleration response spectra(FRS)for shaking table tests on NSCs were developed.Shaking table tests were conducted on floating-type medical infusion racks to verify the applicability of the proposed FRS.Nonlinear time-history analyses of standard frame structures under different earthquake intensities were conducted to determine the dynamic amplification factors(DAFs)of NSCs.Furthermore,FRS for seismic performance tests of NSCs were developed based on this analysis results.Shaking table tests for medical infusion racks were conducted using the proposed FRS and those for NSC tests.Seismic fragility curves under different earthquake inputs were generated based on the shaking table test results.The proposed response spectrum comprises short period,linear increase,plateau,and decrease segments.The DAF for the plateau segment should be 3.0.The test results indicate that the medical infusion racks exhibit a 50％probability of reaching or exceeding a residual displacement of 500 mm under the acceleration input of 0.307 4g.Therefore,the proposed FRS can be used for determining the table inputs for shaking table tests for performing the seismic performance tests of NSCs,facilitating seismic performance research on acceleration-sensitive NSCs.关键词
非结构构件/楼层反应谱/振动台试验/抗震性能检测/易损性曲线Key words
nonstructural component/floor response spectra/shaking table test/seismic performance test/seismic fragility curve分类
建筑与水利引用本文复制引用
尚庆学,李海洋,李吉超,王涛..非结构构件抗震性能检测楼层反应谱[J].东南大学学报（英文版）,2023,39(4):350-360,11.基金项目
The National Key Research and Development Pro-gram of China(No.2022YFC3803003),the National Science Founda-tion for Distinguished Young Scholars(No.52125806),the National Natural Science Foundation of China(No.52208483). （No.2022YFC3803003）
