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Analysis of Excavation Parameters on Face Stability in Small Curvature Shield Tunnels

Author

Listed:
  • Yaliang Niu

    (China Construction Eighth Bureau Rail Transit Construction Co., Ltd., Nanjing 210046, China)

  • Tielun Ren

    (China Construction Eighth Bureau Rail Transit Construction Co., Ltd., Nanjing 210046, China)

  • Qiang Zhou

    (China Construction Infrastructure Co., Ltd., Beijing 100029, China)

  • Xueyang Jiao

    (China Construction Eighth Bureau Rail Transit Construction Co., Ltd., Nanjing 210046, China)

  • Jiuqiang Shi

    (China Construction Eighth Bureau Rail Transit Construction Co., Ltd., Nanjing 210046, China)

  • Ke Xiang

    (Bridge Engineering Research Center, Southeast University, Nanjing 210096, China)

  • Jin Tao

    (Bridge Engineering Research Center, Southeast University, Nanjing 210096, China)

  • Qian Zhai

    (Bridge Engineering Research Center, Southeast University, Nanjing 210096, China)

  • Alfrendo Satyanaga

    (Department of Civil and Environmental Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave., 53, Nur-Sultan 010000, Kazakhstan)

Abstract

This study investigates the face stability of small curvature shield tunnels during excavation and its relationship with various excavation parameters. The stability of the excavation face is critical to the safety and efficiency of underground construction projects. Despite the increase in the use of small curvature shield tunnels in urban areas, research works on this type of tunnel are limited and the existing literature focuses only on straight shield tunnels. This study addresses this research gap through numerical simulations, analyzing the effects of different excavation parameters such as jacking force, cutting speed, and soil conditioning on face stability. The results of the study show that the excavation parameters significantly affect face stability. The findings can be used to optimize the performance of small curvature shield tunnels and support their continued development in urban areas.

Suggested Citation

  • Yaliang Niu & Tielun Ren & Qiang Zhou & Xueyang Jiao & Jiuqiang Shi & Ke Xiang & Jin Tao & Qian Zhai & Alfrendo Satyanaga, 2023. "Analysis of Excavation Parameters on Face Stability in Small Curvature Shield Tunnels," Sustainability, MDPI, vol. 15(8), pages 1-12, April.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:8:p:6797-:d:1126256
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    References listed on IDEAS

    as
    1. Lixian Tang & Qiang Zhou & Shoulong Wang & Wenjie Yao & Bowei Zhang & Ke Xiang & Alfrendo Satyanaga & Jin Tao, 2022. "Evaluation of the Ground Settlement in an Urban Area Resulting from a Small Curvature Tunneling Construction," Sustainability, MDPI, vol. 14(23), pages 1-13, December.
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    Cited by:

    1. Xi Chen & Kun Zhang & Wei Wang, 2023. "Seismic Stability Analysis of Tunnel Faces in Heterogeneous and Anisotropic Soils Using Modified Pseudodynamic Method," Sustainability, MDPI, vol. 15(14), pages 1-20, July.
    2. Xiaoming Guan & Zeliang Liu & Huawei Xu & Yanchun Liu & Xianzhang Ling & Hao Ding & Sihao Ren & Ruiquan Lu & Ke Yu & Jijun Miao, 2023. "Mechanical Properties and Influencing Factors of Shield Cutting Existing Station Supporting Piles," Sustainability, MDPI, vol. 15(15), pages 1-22, July.

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