[1]张微敬,许丽红,张毅刚.单层球面网壳强震失效机理及参数影响研究[J].世界地震工程,2019,35(03):001-9.
 ZHANG Weijing,XU Lihong,ZHANG Yigang.Study on the failure mechanism and parameter influence of single-layer reticulated shells under severe earthquake[J].,2019,35(03):001-9.
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单层球面网壳强震失效机理及参数影响研究
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《世界地震工程》[ISSN:/CN:]

卷:
35
期数:
2019年03期
页码:
001-9
栏目:
出版日期:
2019-10-20

文章信息/Info

Title:
Study on the failure mechanism and parameter influence of single-layer reticulated shells under severe earthquake
作者:
张微敬 许丽红 张毅刚
北京工业大学 空间结构研究中心, 北京 100124
Author(s):
ZHANG Weijing XU Lihong ZHANG Yigang
Spatial Structures Research Center, Beijing University of Technology, Beijing 100124, China
关键词:
单层球面网壳地震作用失效机理增量动力分析OpenSEES参数影响
Keywords:
single-layer reticulated shellssevere earthquakefailure mechanismincremental dynamic analysisOpenSEESparameter influence
分类号:
TU393.3
摘要:
基于OpenSEES软件平台,建立了凯威特型单层球面网壳的纤维模型,通过增量动力分析方法,研究了球面网壳的塑性发展过程,判定了网壳结构的破坏类别;通过分析杆件纤维应力随时间的变化,杆件的塑性发展,以及失效杆件的位置分布,揭示单层球面网壳结构的倒塌机理。在此基础上,分析了跨度、矢跨比以及屋面质量对地震作用下单层球面网壳极限承载力的影响,可为工程设计提供参考。
Abstract:
In this study, the model of a single-layer spherical reticulated shell is established with the fiber model using program OpenSEES. The plastic developing process and the seismic failure mode are studied with the incremental dynamic analysis. Based on the analyses on the change of fiber stress over time, the plastic development of the elements and the distribution of the failure elements, the collapse mechanism of the single-layer spherical reticulated shell structure is revealed. Moreover, the effects of span, rise-span ratio and roof load on ultimate bearing capacity of single-layer reticulated shells under earthquakes are analyzed, which can provide reference for the engineering design.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-10-11;改回日期:2019-01-30。
基金项目:国家基金面上项目资助(51178009);国家自然科学基金重大研究计划集成项目(91315301);北京市教委科技计划重点项目(KZ201310005008)
作者简介:张微敬(1969-),女,博士,教授,主要从事结构抗震及空间结构研究.E-mail:zhangweijing@bjut.edu.cn
更新日期/Last Update: 1900-01-01