Analysis of Soft Rock Deformation of Tianpingshan Tunnel of Guiyang －Guangzhou Railway

FU Kai － long; CAI Jia － peng; FENG Tao

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Journal of Railway Engineering Society ›› 2011, Vol. 28 ›› Issue (4) : 47-52.

Analysis of Soft Rock Deformation of Tianpingshan Tunnel of Guiyang －Guangzhou Railway

FU Kai － long，CAI Jia － peng，FENG Tao

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Abstract

Research purposes: Predicting and monitoring the soft rock deformation is a complex and important work in railway engineering，and searching an effective method for predicting and monitoring the soft rock deformation is of significance．

Research conclusions: For the soft rock deformation of the Tianpingshan Tunnel，the comprehensive survey was conducted and the analysis of the deformation range and deformation level caused by the excavation was made from the lithology characters， structure and ground stress． It can be seen from the current excavation that the prediction of the deformation of the the incline shaft 2 and the main tunnel that under － passes the Chaotang Fault Zone is rather reasonable and whether the prediction of the deformation of carbonaceous shale area is correct or not，it needs waiting for comparing it with the excavation result．

Key words

engineering geology / ground stress / carbonaceous shale / fault zone

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FU Kai － long, CAI Jia － peng, FENG Tao. Analysis of Soft Rock Deformation of Tianpingshan Tunnel of Guiyang －Guangzhou Railway[J]. Journal of Railway Engineering Society, 2011, 28(4): 47-52

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