Influences of excavation on adjacent existing metro tunnels: a review

LIU Bo; FAN Xue-hui; WANG Yuan-yuan; ZHANG Jia-bao; FAN Zhi-bo

doi:10.11779/CJGE2021S2060

Volume 43 Issue S2

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Chinese Journal of Geotechnical Engineering > 2021 > 43(S2): 253-258. > DOI: 10.11779/CJGE2021S2060

LIU Bo, FAN Xue-hui, WANG Yuan-yuan, ZHANG Jia-bao, FAN Zhi-bo. Influences of excavation on adjacent existing metro tunnels: a review[J]. Chinese Journal of Geotechnical Engineering, 2021, 43(S2): 253-258. DOI: 10.11779/CJGE2021S2060

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Influences of excavation on adjacent existing metro tunnels: a review

1.
School of Civil Engineering, Southeast University, Nanjing 211189, China
2.
CCCC Third Highway Engineering CO., Ltd., Beijing 100011, China

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Received Date: August 16, 2021
Available Online: December 05, 2022

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Abstract

Abstract

The excavation-induced unloading will disturb the surrounding rock and soil mass, and then have a negative effect on the adjacent existing metro tunnels. For the two positions of s tunnel outside and below the foundation pit, the state-of-the-art achievements are summarized from the following four aspects: the influence mechanism of deep excavation on the existing tunnels, the influenced zone for tunnel deformation induced by excavation, the prediction methods for tunnel deformation and the control methods for tunnel deformation. Finally, the main problems to be solved and the key research directions in the future are discussed.
- excavation,
- existing tunnel,
- influenced zone,
- prediction method,
- controlling method

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References (25)

References

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