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Evaluation of the Ground Settlement in an Urban Area Resulting from a Small Curvature Tunneling Construction

Author

Listed:
  • Lixian Tang

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

  • Qiang Zhou

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

  • Shoulong Wang

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

  • Wenjie Yao

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

  • Bowei Zhang

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

  • Ke Xiang

    (Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, 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)

  • Jin Tao

    (Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing 210096, China)

Abstract

The transportation system is one of the major infrastructures in urban areas, and it serves 56% of the world’s population. Nowadays, metro lines are developing fast in urban areas. Due to the restrictions of urban fields, metro lines are usually not planned straight, and a curved line is required to connect stations in different locations in a city. As a result, small curvature tunnels are commonly constructed in urban areas. The tunneling construction in a city area may cause ground settlement, which is sensitive to surrounding buildings and underground utilities. The aim of this study is to explore the impact of curvature alignment on the ground settlement. In this paper, ground settlements induced by small curvature shield tunneling were evaluated by using a numerical analysis. A total of six cases were selected for the analysis. The results obtained from the numerical simulations were compared with Peck’s equation. It is observed that Peck’s equation can be used for the estimation of the maximum settlement. However, the ground settlements on both sides of the central axis of the curved tunnel are asymmetrical, and Peck’s equation, which provides a symmetrical settlement, may not be applicable in the case of small curvature tunnels.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:23:p:16230-:d:994139
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    References listed on IDEAS

    as
    1. Yanxia Gao & Yiwen Liu & Pengju Tang & Chunqiao Mi, 2022. "Modification of Peck Formula to Predict Surface Settlement of Tunnel Construction in Water-Rich Sandy Cobble Strata and Its Program Implementation," Sustainability, MDPI, vol. 14(21), pages 1-11, November.
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    Cited by:

    1. Yiwei Ren & Shijun Zhou & Jiayin Jia & Qiang Yuan & Maoyi Liu & Shuyi Song & Zelin Zhou & Zhen Wang, 2023. "The Influence of Construction Methods on the Stability of Tunnels and Ground Structures in the Construction of Urban Intersection Tunnels," Sustainability, MDPI, vol. 15(20), pages 1-19, October.
    2. 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.

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