A General Framework for the Impact of Shield Tunnel Construction on Existing Tunnel in Soil

Pingrang Wang, Junhao Wu, Danqing Song and Mingfei Zhang ()
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Pingrang Wang: School of Civil Engineering and Architecture, Zhengzhou University of Aeronautics, Zhengzhou 450046, China
Junhao Wu: Henan Communications Planning and Design Institute Co., Ltd., Zhengzhou 450008, China
Danqing Song: School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China
Mingfei Zhang: School of Civil Engineering and Architecture, Zhengzhou University of Aeronautics, Zhengzhou 450046, China

Sustainability, 2023, vol. 15, issue 12, 1-21

Abstract: During the excavation process of shield tunneling, it is inevitable that the surrounding soil mass is disturbed, which will affect the adjacent structures. This paper proposes a general framework for the impact of shield tunneling construction on existing tunnels. First, the impact partition of shield tunneling construction regarding adjacent tunnels and buildings is established by a three-dimensional numerical analysis method. Then, the displacement of adjacent tunnels and buildings is predicted using fuzzy gray theory. Finally, based on the results of a numerical simulation and experiment, the risk classification standard of adjacent buildings is established. This framework has certain reference significance and value for the deformation prediction and safety evaluation of adjacent buildings.

Keywords: shield tunnel; fuzzy gray theory; general framework (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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