Study On Construct Road Tunnel Throughing Under Giant Landside By Model Experiment

China is a mountainous country. Corresponding to it, the disaster of coast also happens continually. Sometimes, because of some reasons, the tunnel will near by or even through the coast. But the tunnel project which through the huge coast in china is infrequency, and there is a lack of the correlative research, the experience of construction which can be use for reference is also limited. But in foreign countries (just as Japan), the research of tunnel which through the coast is more than in China.This thesis is based on the analysis of today' s tunnel which through coast research results. Combined with the Suan Shui Wan tunnel which belong to the West important project "Xi Chang(Huang Lian Guan) to Pan Zhi Hua" freeway, the modeling tests are experimented in lab. Two geometric scales of 1:50 and 1:100 are adopted on the model in these tests. On the base of geometric scale and gravity scale, the comparability that controls all physical and mechanical parameters in elastic condition is realized. To study the conditions of different rocks, and think of the conditions that tunnels of different distance under the coast surface, the results of the ground relative displacement, the surface displacement, the tunnel convergence, the inner force of anchor pipe and line, the contact stress of the rock and support, and the picture record. Then use the result to prove the influence which huge coast bring to tunnel, the influence which tunnel construction bring to coast, and research construction monitoring and measuring manage system and standard. At last, summarize the thesis, and use the result to analyse the inner force of line.