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《Shanxi Hydrotechnics》 2016-01
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Stability Research on the Tunnel-highway Intersection of Dongshan Water Supply Project

ZHANG Liang;  
No.9 tunnel of the Dongshan Water Supply Project intersects with the Hefen Highway. Surrounding rock condition of the intersection is poor,and the groundwater level is high. In this paper,the interaction between the highway and the tunnel was calculated by using the soil mechanics theory preliminary. Based on the geological works,a FEM model was established considering combined bolting and shotcrete of the tunnel to calculate the effect of tunnel on highway. The results show that the effect of tunnel on highway can be ignored when the tunnel is deeply buried,which confirms the early conclusion. To ensure the safety of tunnel excavation,some supporting suggestions are proposed according to the results.
【CateGory Index】: TV554
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