RESEARCH ON GROUND SUBSIDENCE DUE TO TUNNEL EXCAVATION IN HUQUAN—MINGDU SECTION OF WUHAN SUBWAY
HU Bin1,LIU Yonglin1,2,TANG Huiming1,XU Haiqing3
(1. Faculty of Engineering,China University of Geosciences,Wuhan,Hubei 430074,China;2. CCCC Fourth Harbor Engineering Institute Co.,Ltd.,Guangzhou,Guangdong 510230,China;3. The Limited Company of Wuhan Subway,
Wuhan,Hubei 430030,China)
Abstract:In-depth research and reasonable control of tunnel excavation induced ground subsidence are of great practical significance. Taking the excavation of Huguan—Mingdu section of Wuhan subway as background,based on the typical ground subsidence and monitored displacement of the tunnel cross section convergence,simplified stochastic medium theory formula is used to back analyze the displacement of typical sections. The parameters,convergence area and where is the influextial angle,are obtained from the calculation. Ranges of key parameters values are given in the similar conditions. Therefore,it has some practical value in guiding the construction of Wuhan subway.
胡 斌1,刘永林1,2,唐辉明1,徐海清3. 武汉地铁虎泉—名都区间隧道开挖引起的地表沉降研究[J]. 岩石力学与工程学报, 2012, 31(5): 908-913.
HU Bin1,LIU Yonglin1,2,TANG Huiming1,XU Haiqing3. RESEARCH ON GROUND SUBSIDENCE DUE TO TUNNEL EXCAVATION IN HUQUAN—MINGDU SECTION OF WUHAN SUBWAY. , 2012, 31(5): 908-913.
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