Modelling liner forces response to very close-proximity tunnelling in soft alluvial deposits

•Liner forces response to the very close-proximity tunnelling is investigated.•Instrumented rings are used for measuring not only liner forces but earth pressure.•Simulation mimics the tunnel advance effect and optimises the joint configuration. The response of tunnel liner forces to the constructio...

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Veröffentlicht in:	Tunnelling and underground space technology 2020-09, Vol.103, p.103455, Article 103455
Hauptverfasser:	Cheng, Wen-Chieh, Li, Ge, Ong, Dominic E.L., Chen, Shong-Loong, Ni, James C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alluvial deposits Computer simulation Deformation Diameters Excavation Formability Ground deformability Liner joint Mathematical models Principal stress Proximity Safety Soft soils Stiffness Stress analysis Tunnel construction Tunneling Tunneling shields Tunnels Underground construction Very close-proximity tunnelling Volumetric strain
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