Research on Seismic Responses of Underground Structures Considering Influence of Contact Surfaces

YU Haiyang; HU Ju; ZHANG Guiyan; HUANG Yujun; ZHU Guofei; CUI Hongzhi; BAO Xiaohua

doi:10.13204/j.gyjzG21090402

Volume 52 Issue 12

Dec. 2022

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2022 > 52(12): 156-165

YU Haiyang, HU Ju, ZHANG Guiyan, HUANG Yujun, ZHU Guofei, CUI Hongzhi, BAO Xiaohua. Research on Seismic Responses of Underground Structures Considering Influence of Contact Surfaces[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(12): 156-165. doi: 10.13204/j.gyjzG21090402

Citation:

YU Haiyang, HU Ju, ZHANG Guiyan, HUANG Yujun, ZHU Guofei, CUI Hongzhi, BAO Xiaohua. Research on Seismic Responses of Underground Structures Considering Influence of Contact Surfaces[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(12): 156-165. doi: 10.13204/j.gyjzG21090402

Citation:

YU Haiyang, HU Ju, ZHANG Guiyan, HUANG Yujun, ZHU Guofei, CUI Hongzhi, BAO Xiaohua. Research on Seismic Responses of Underground Structures Considering Influence of Contact Surfaces[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(12): 156-165. doi: 10.13204/j.gyjzG21090402

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Research on Seismic Responses of Underground Structures Considering Influence of Contact Surfaces

doi: 10.13204/j.gyjzG21090402

1. Zhuhai Shizimen Central Business District Development Holdings Co., Ltd., Zhuhai 519000, China;
2. College of Civil and Transportation Engineering, Shenzhen University, Key Laboratory for Resilient Infrastructures of Coastal Cities MOE, Shenzhen 518060, China

Received Date: 2021-09-04
Available Online: 2023-03-22

Abstract

Abstract

A water-soil coupling finite element analysis for the dynamic response of underground structure in the liquefiable site during and after earthquakes was performed. In the calculation, the water-soil fully coupled finite element-finite difference method based on the effective stress theory and the CM model (the Cyclic Mobility model) accurately reflected the dynamic characterisitcs of soil under cyclic loads were adopted. Considering the structural volume effect, the hybrid elements composed of elastic beams and columns were used to construct the model of the station structure, and the joint elements at soil-structure interfaces were set. The acceleration response of soil during a rare earthquake, the development of excess pore water pressure, the internal force of the underground structure and the consolidation settlement after the earthquake were simulated and analyzed. The results showed that the underground structure continued to float up after the earthquake, and the displacement development after the earthquake was significantly greater than that during the earthquake. When the excess pore pressure almost completely dissipated, the structure settlement tended to be stable.
- underground structure,
- seismic response,
- soil-structure interaction,
- internal force of structure,
- consolidation settlement

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References(22)

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