Improved analytical model for circumferential behavior of jointed shield tunnels considering the longitudinal differential settlement

Wenping Gong, C. Hsein Juang, Hongwei Huang, Jie Zhang, Zhe Luo

研究成果: 雜誌貢獻期刊論文同行評審

25 引文 斯高帕斯(Scopus)

摘要

Differential settlements of the shield tunnel along the longitudinal direction can significantly affect the circumferential behavior of segmental lining, degrading both the structure safety and serviceability. In this paper, the authors introduce both the shearing effect and flattening effect on the tunnel cross section, which was caused by the longitudinal differential settlement, into an existing analytical model of jointed shield tunnels. An example is then presented to illustrate the variation of the circumferential behavior of segmental lining, including both the structure safety and serviceability, along the longitudinal position. Finally, a series of parametric studies are performed to investigate how factors such as tunnel longitudinal settlement, property of surrounding ground, and the design parameters of segmental lining affect the circumferential behavior of the segmental lining.

原文???core.languages.en_GB???
頁(從 - 到)153-165
頁數13
期刊Tunnelling and Underground Space Technology
45
DOIs
出版狀態已出版 - 1 1月 2015

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