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The performance maintenance of shield tunnels is of more and more significance with a great number of shield tunnels being put into service. The perception of deformation is an essential part of shield tunnel performance assessment because of the correlation between deformation and all kinds of affecting factors during service. While due to the nat...
The maintenance of in-service shield tunnel lining has become a critical issue in recent decades due to the rapid development of the metro system in China. The external load is one of the most important factors influencing the deformation and performance of the in-service shield tunnels. It is hard to evaluate the external load since it is influenc...
Underwater shield tunnels take significant parts in urbanization, such as metro tunnels and utility tunnels. It is important to determine the structural performance and safety during service under complex changes in structure and surrounding ground. One of the influencing factors for underwater shield tunnels is tidal fluctuation. To study the effe...
Adjacent tunnel construction and environmental disturbances can lead to longitudinal deformation in pipe-jacking tunnels. The longitudinal deformation of the tunnel is closely related to the occurrence of joint dislocation, joint opening, and other defects. In view of the difficulty of obtaining 3D longitudinal deformation curves, a method is propo...