脉冲型地震动作用下钢框架结构地震需求概率模型
|
赵国臣,徐龙军,杜佳俊,朱敬洲,朱兴吉,谢礼立
|
Probabilistic seismic demand models for steel frame structures subjected to pulse-like ground motions
|
Guo-chen ZHAO,Long-jun XU,Jia-jun DU,Jing-zhou ZHU,Xing-ji ZHU,Li-li XIE
|
|
表 1 最大底部剪力概率模型优化过程各参数变异系数和模型标准差均值 |
Tab.1 Coefficients of variations and standard deviations of maximum bottom shear force probabilistic model parameters in optimization process |
|
分析步 | $ {\theta _{{_{V1}}}} $ | $ {\theta _{{_{V2}}}} $ | $ {\theta _{{_{V3}}}} $ | $ {\theta _{{_{V4}}}} $ | $ {\theta _{{_{V5}}}} $ | $ {\theta _{{_{V6}}}} $ | $ {\theta _{{_{V7}}}} $ | $ {\theta _{{_{V8}}}} $ | $ {\theta _{{_{V9}}}} $ | $ {\theta _{{_{V10}}}} $ | $\mu{(\sigma _{ {_V} }) }$ | 1 | 0.179 | 0.092 | 0.916 | 0.721 | 0.638 | 0.315 | 0.524 | 0.519 | 0.554 | 0.066 | 0.127 | 2 | 0.139 | 0.092 | — | 0.650 | 0.781 | 0.279 | 0.460 | 0.465 | 0.537 | 0.068 | 0.128 | 3 | 0.124 | 0.093 | — | 0.613 | — | 0.236 | 0.311 | 0.238 | 0.427 | 0.067 | 0.128 | 4 | 0.057 | 0.093 | — | — | — | 0.274 | 0.289 | 0.212 | 0.449 | 0.068 | 0.130 | 5 | 0.056 | 0.095 | — | — | — | 0.351 | 0.329 | 0.224 | — | 0.070 | 0.133 | 6 | 0.059 | 0.104 | — | — | — | — | 0.129 | 0.110 | — | 0.072 | 0.136 | 7 | 0.076 | 0.100 | — | — | — | — | — | 0.245 | — | 0.050 | 0.165 |
|
|
|