The main influence of stability of landslides on Wudang mountain tunnel entrance of Xiangfan-Chongqing rail way is analyzed qualitatively, and the stability of landslideⅠand landsideⅡin natural state and saturated state are calculated by the transfer coefficient method. Besides, The stress and strain of landslideⅠin natural state and saturated state are simulated by the Flac3d.It comes to the conclusion that rainfall infiltration is the trigger factor of landslide on wudang mountain tunnel entrance. To ensure the operation safety of Xiangfan-Chongqing rail way, this paper suggests that cutting slope for landslideⅠand setting anti-slide pile for the frontal part of landslideⅡ.
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