Research on the influence of the tunnel dewatering construction on existed municipal pipeline tunnel

Based on the dewatering construction design of a new railway tunnel construction in up-down cross existing municipal pipeline tunnel in Chengdu,this paper demonstrates the stressing characteristics and displacement of existing municipal pipeline tunnel in the process of dewatering construction with the theory of Fluid-Mechanical coupling of finite discrete method(FDM).The study shows that the value of ground settlement showed significant change and the differential settlement is easy to occur in...