SEISMIC RESPONSE OF AN ISOLATION METHOD FOR CUT AND COVER TUNNEL USING POLYMER MATERIAL

摘要：

An effective seismic retrofit for a sidewall of a cut and cover tunnel has not been established yet. We develop a new method of seismic retrofit for the cut and cover tunnel. We call this polymer isolation method. In this method, we insert a thin wall made of polymer material in which the wall is called isolation wall. The effectiveness of the proposed method is demonstrated through some numerical simulations. It is found that the proposed method depends on thickness of the covered soil over the tunnel and ratio of stiffness between soil and structure. Finally, a simple chart is proposed to represent an applicability of the polymer isolation method for convenience to design seismic retrofit of a cut and cover tunnel.

关键词： cut and cover tunnel isolation wall polymer material

作者: Satoshi KIRYU Yoshitaka MURONO Hitoshi MORIKAWA

作者单位: Structure Engineering Division,JR East Consultants company,Tokyo,JAPAN Senior Researcher,Earthquake and Structural Engineering,Railway Technical Research Institute,Tokyo,J Associate Professor,Dept.of Built Environment,Tokyo Institute of Technology,Tokyo,JAPAN

会议类型: 国际会议

会议名称: 14th World Conference on Earthquake Engineering(第十四届国际地震工程会议)

会议地点: 北京

会议语种:英文

在线出版日期: 2008-10-12（万方平台首次上网日期，不代表论文的发表时间）