Damage-based assessment and optimization for seismic residual strength of single-layer spherical reticulated domes

被引：0
|
作者：
Zhang T.-L. [1 ,2 ]
Ding Y. [2 ]
Li Z.-X. [2 ]
机构：
[1] School of Civil Engineering and Architecture, Hainan University, Haikou
[2] Key Laboratory of Coast Civil Structure Safety, Ministry of Education, Tianjin University, Tianjin
来源：
Gongcheng Lixue/Engineering Mechanics | 2019年 / 36卷
关键词：
Assessment model; Damage-based optimization; Member damage; Residual strength; Single-layer spherical reticulated dome;
D O I：
10.6052/j.issn.1000-4750.2018.05.S023
中图分类号：
学科分类号：
摘要：
To simulate the influence of member damage on the residual strength of single-layer reticulated domes under earthquakes, the relational expression between the greatest member damage and the residual strength of single-layer spherical reticulated domes is derived based on the continuous thin dome theory. A damage-based assessment model for seismic residual strength of single-layer spherical reticulated domes is then established. A numerical example of an 80m-span Kiewitt-8 dome is analyzed to assess and optimize the residual strength under different earthquakes. The results indicate that the proposed assessment model can accurately assess the effect of greatest member damage on the seismic residual strength of domes. The seismic residual strength can be significantly improved through the damage-based optimization method by using the proposed dome assessment model. © 2019, Engineering Mechanics Press. All right reserved.
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页码：131 / 137
页数：6
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