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The Real-Time Monitoring System for Metro Shield Tunnels: From Research to Application

Abstract : To the tunnel structure in soft soil foundation, damages are likely caused by large deformation, thus it is reasonable to measure deformation rather than to measure force or stress. Although there are many ways to obtain deformation information, measuring inclination of segments is one of the most effective ways, and it is convenient to derive the deformation from the inclination data. The method to obtain the variation of tunnelÕs diameter, the opening length of longitudinal connecting seams, the concrete stress of bolt and certain joint is studied in this paper by making use of the inclination variation of lining segments. This paper outlines a real-time monitoring system based on the internet of things which will be applied to an interval shield tunnel of Shanghai metro line 12 this year.
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https://hal.inria.fr/hal-01021238
Contributor : Anne Jaigu <>
Submitted on : Wednesday, July 9, 2014 - 10:25:36 AM
Last modification on : Wednesday, July 9, 2014 - 3:27:04 PM
Long-term archiving on: : Thursday, October 9, 2014 - 11:28:55 AM

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Jinfeng Zhang, Wangsheng Liu, Ming Zhao. The Real-Time Monitoring System for Metro Shield Tunnels: From Research to Application. EWSHM - 7th European Workshop on Structural Health Monitoring, IFFSTTAR, Inria, Université de Nantes, Jul 2014, Nantes, France. ⟨hal-01021238⟩

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