Seismic Response Analysis on the Secondary Lining with Voids Repaired with Polymer Grouting of Tunnels Based on Inversion Analysis of Parameters

MIAO Fengyang; HUANG Zhengxuan; XU Jianguo; ZHANG Jinpeng; CAI Yingchun; GENG Yupeng; ZHANG Mutian

doi:10.13204/j.gyjzG21111717

Volume 52 Issue 3

Jul. 2022

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2022 > 52(3): 44-52,37

MIAO Fengyang, HUANG Zhengxuan, XU Jianguo, ZHANG Jinpeng, CAI Yingchun, GENG Yupeng, ZHANG Mutian. Seismic Response Analysis on the Secondary Lining with Voids Repaired with Polymer Grouting of Tunnels Based on Inversion Analysis of Parameters[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(3): 44-52,37. doi: 10.13204/j.gyjzG21111717

Citation:

MIAO Fengyang, HUANG Zhengxuan, XU Jianguo, ZHANG Jinpeng, CAI Yingchun, GENG Yupeng, ZHANG Mutian. Seismic Response Analysis on the Secondary Lining with Voids Repaired with Polymer Grouting of Tunnels Based on Inversion Analysis of Parameters[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(3): 44-52,37. doi: 10.13204/j.gyjzG21111717

Citation:

MIAO Fengyang, HUANG Zhengxuan, XU Jianguo, ZHANG Jinpeng, CAI Yingchun, GENG Yupeng, ZHANG Mutian. Seismic Response Analysis on the Secondary Lining with Voids Repaired with Polymer Grouting of Tunnels Based on Inversion Analysis of Parameters[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(3): 44-52,37. doi: 10.13204/j.gyjzG21111717

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Seismic Response Analysis on the Secondary Lining with Voids Repaired with Polymer Grouting of Tunnels Based on Inversion Analysis of Parameters

doi: 10.13204/j.gyjzG21111717

1. College of Water Conservancy Science and Engineering, Zhengzhou University, Zhengzhou 450001, China;
2. Henan Puze Expressway Company Limited, Zhengzhou 450000, China;
3. King’s College London, London WC2R 2LS, United Kingdom

Received Date: 2021-11-17

Abstract

Abstract

The void phenomenon behind the tunnel lining has become the main cause of tunnel diseases, which easily triggers the damage of tunnel lining structure, shedding, water seepage and other diseases, and seriously threatened the normal operation of tunnels. The void behind the lining seriously reduced the aseismic capacity of tunnels. The mechanical parameters of surrounding rock were calculated in inversion by the optimizing analysis method of improved system identification sensitivity, and the numerical model for the dynamic response of tunnels was optimized by the improved inversion results to study the repair effect and aseismic capacity of the Longmianshan tunnel repaired the void behind the lining grouted by polymer. The results showed that the displacement and stress in the repaired zone at the top of the secondary lining of the tunnel were significantly reduced and close the normal; however, there were significantly different in the stress and displacement at the top of the secondary lining subjected to seismic waves of the same peak acceleration in different site conditions, indicating that the dynamic response of the tunnel model had significant sensitivity to the seismic wave spectrum.
- inversion analysis,
- repair for a tunnel void,
- polymer grouting,
- seismic response

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References(32)

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