| In recent years, the construction of the highway long tunnel is increasing, at the same time, leaps and bounds on the fast road construction also made an urgent request, tunnel construction highlighted the "long", "fast" features. Tunnel construction is a key part of the line, often affect the progress of the project. How to optimize the use of reasonable technical solutions, the choice of appropriate excavation scheme to solve the technical problems of various specific circumstances, to achieve the effect of rapid excavation, tunnel construction has become a hot issue.Dananshan tunnel with the engineering characteristics are: large-scale projects, tight, complex geological conditions, engineering difficult. In this context, this paper make Dananshan tunnel construction as the basis, Highlights of the selection and construction programs of 1 #, 2 # inclined shaft, and specific positive hole tunnel construction steps on how to achieve a long, rapid construction of large tunnels, solving technical problems, how to make technology solutions optimize the design of technical solutions than the election, especially the comparison of different scenarios angle conducted in-depth research. Make specific elaboration of adverse geological: karst and fault principles methods of construction, take typical research of karst and fault principles. Make a reference for Future tunnel construction program grew choose. |
PDF Full Text Request