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  Lining and Tunneling Design Method in Coal Measure Strata at Panxing Expressway

  With the propulsion of China West Development Project, The infrastructure facilities, such as expressway, railway, hydropower, are developing rapidly. Owing to the mountainous topographical features and complex geological structure, some hazards, such as landslide, mud bust, water inflow, gas outburst and other hazards, threat the safety of constructors, increase the construction cost, and postpone the construction progress[1,2]. County Panxian to County Xingye in Guizhou province is one of the seven longitudinal large expressway projects in the "678 expressway network", which connect the southwest China to the entrance in southeast China.

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