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Get Free AccessThe seismic bearing capacity of an incomplete single-layer reticulated dome during construction is significantly lower than that of a complete dome. To assess the seismic resilience of incomplete single-layer reticulated domes and find the most unfavorable construction stage, a new curve of recovery functionality and methodology of seismic resilience during construction were established in this study. Under the combined action of the bending moment and axial force, the damage state criterion of circular steel pipes was improved through hysteresis simulation analysis. Based on the elastoplastic time-history analysis of different construction models, the damage state levels of all structural members were employed to estimate the functionality loss after an earthquake event. The repair path and the repair time of damaged steel pipes were defined, and the structural recovery functionality was computed to assess the seismic resilience. The proposed methodology in this paper was illustrated using a 40-meter span of the Kiewitt-8 dome with six circular grids considering both the construction process and seismic hazards. The results indicate that seismic resilience is related to the incomplete structural form of the dome during construction. The repair time will be the longest, and the seismic resilience will be the lowest if the incomplete dome suffers the earthquake during the construction period when installing the fourth circular grid from outside to inside.
M Zhang, W Liu, Z Lei, Dawei Wang, Ji Wang, Lang Zhou, Xia Shu, Cross-Sections Zhang, Leroy Gardner, C Buchanan, Derek Chan, Wei Sun, Yu Wang, Feng Lu, Bin Luo, Zhifu Zhang, D Ye, Gong Li, Ran Li, Zhicheng Yang, Shell Reticulated, L Wang, Yu Chen, Fang Huang, X Zhang, Zeyang Yu, Ruiqian Guo, L Zhong, Y Ping, Chen Fang, Yu Chen, Yahong Ding, Mehmet Soy, Michael T. Tang, Weidong Zhang, Chuang Liu, Deqiang Gan, Zhonggui He, Haifeng Huang, B. Jia, Q Zhang, T Shaking, Wei Liao, Zhiwei You, Zhifu Zhang, Quan Jin, Jinwen Zhang, Bowen Cao, D Zhang, Q Zhang, Chaoyu Cui, Shaobo Qiu, Zhijie Zhu, Tingting Qin, Xun Chen, T Zhang, Junyan Zhao (2022). SEISMIC RESILIENCE ASSESSMENT OF A SINGLE-LAYER RETICULATED DOME DURING CONSTRUCTION. , DOI: https://doi.org/10.18057/icass2020.p.353.
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Type
Report
Year
2022
Authors
57
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.18057/icass2020.p.353
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