Resilience of shield tunnel subjected to adjacent construction disturbances: A review
Dong-Mei Zhang , Bin-Lin Gan , Zhong-Kai Huang , Rui Zhu , Wei Zhang
Underground Space ›› 2025, Vol. 25 ›› Issue (6) : 368 -386.
With the intensive and rapid development of urban underground space, there are more and more adjacent construction disturbances to the existing shield tunnels, posing serious challenges to their safety operation and maintenance. Resilience is an integrated representation of the ability of the engineering systems to resist disaster disturbances and recover function, and it can comprehensively reflect the impact of adjacent construction disturbances on the whole disaster chain of shield tunnels. However, the field currently faces challenges related to vague definitions of resilience, diverse evaluation indicators and measures, and an emphasis on evaluation rather than enhancement. Hence, this paper firstly summarized the definition of engineering resilience, especially the resilience of shield tunnels, and proposed the resilience definition of shield tunnels under adjacent construction disturbance, considering the basic connotation of resilience and disturbance characteristics. Secondly, the existing resilience evaluation frameworks for shield tunnels were summarized and analyzed, and the applicability of the existing framework for the shield tunnel under adjacent construction was discussed in light of the disturbance characteristics. Building on the mechanism and deformation characteristics, the resilience evaluation indexes and evaluation methods were reviewed based on the indicators of influencing factors and indicators of effectiveness of the entire disaster chain. Afterwards, the synergistic enhancement technology of shield tunnel resilience was summarized into 4 aspects: optimal structural design, disturbance transmission blocking, structural performance enhancement, and stratum grouting. Finally, research prospects in this field were analyzed systematically. This paper is intended to provide a meaningful reference for the in-depth research and application of structural resilience of shield tunnels subjected to adjacent construction disturbances.
Existing shield tunnels / Resilience / Adjacent construction / Evaluation models / Enhancement strategy
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