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球壳结构强震下的倒塌破坏模式分析
Failure modes analysis of spherical shells under strong earthquake
【摘要】 采用大质量法对不同场地条件、不同矢跨比的70 m跨单层球壳和100 m跨双层球壳进行多点输入下的水平地震作用时程分析,通过结构最大位移概率密度函数来分析判断与归纳了球壳结构的倒塌破坏模式。
【Abstract】 Adopting large mass method and considering different site conditions and rise-span ratios,this paper made time-history analysis of the 70 m single layer and 100 m double layer spherical shells under the horizontal seismic loads,probability density functions of the structural maximum displacement probability have been used to judge and summarize the failure modes of spherical shells.
【关键词】 球壳结构;
大质量法;
概率密度函数;
破坏模式;
【Key words】 spherical shells; large mass method; probability density function; failure mode;
【Key words】 spherical shells; large mass method; probability density function; failure mode;
- 【文献出处】 山西建筑 ,Shanxi Architecture , 编辑部邮箱 ,2010年25期
- 【分类号】TU399
- 【下载频次】57