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MODERN TUNNELLING TECHNOLOGY 2021, Vol. 58 Issue (5) :1-8    DOI:
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A Review of Model Test Studies on the Impact of Shield Construction on Adjacent Tunnels
(1 College of Civil Engineering, Shaoxing University, Shaoxing 312000; 2 Department of Civil Engineering, Zhejiang University City College, Hangzhou 310015)
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Abstract During the construction of new shield tunnels adjacent to existing tunnels, the shield construction will cause deformation and damage to adjacent existing tunnels, the impact of shield construction on adjacent tunnels has become an urgent issue to be resolved, and model test is an important method to study this topic. This paper categorizes existing model tests into indoor scale tests and centrifugal tests. And then it studies different crossing and parallel construction methods, summarizes the impacts of shield construction on existing tunnels under different factors such as thrust, tunnel spacing, and crossing sequence, etc. Finally it compares existing tests and proposes further research ideas and directions, which shall provide a reference for future model test studies.
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WEI Gang1
2 ZHAO Deqianlin1 HUANG Rui1
Keywords： Shield construction   Existing tunnels   Model test   Displacement     
Abstract： During the construction of new shield tunnels adjacent to existing tunnels, the shield construction will cause deformation and damage to adjacent existing tunnels, the impact of shield construction on adjacent tunnels has become an urgent issue to be resolved, and model test is an important method to study this topic. This paper categorizes existing model tests into indoor scale tests and centrifugal tests. And then it studies different crossing and parallel construction methods, summarizes the impacts of shield construction on existing tunnels under different factors such as thrust, tunnel spacing, and crossing sequence, etc. Finally it compares existing tests and proposes further research ideas and directions, which shall provide a reference for future model test studies.
Keywords： Shield construction,   Existing tunnels,   Model test,   Displacement     
Cite this article:   
WEI Gang1, 2 ZHAO Deqianlin1 HUANG Rui1 .A Review of Model Test Studies on the Impact of Shield Construction on Adjacent Tunnels[J]  MODERN TUNNELLING TECHNOLOGY, 2021,V58(5): 1-8
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