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原文传递 Seismic isolation effect of a tunnel covered with a buffer layer

题名：	Seismic isolation effect of a tunnel covered with a buffer layer
正文语种：	中文
作者：	Z.Z.Wang W.Z.Zhu Z.Zhang
作者单位：	School of ivil Engineering, alian University of Technology No.2 Linggong Road, Ganjingzi istrict, alian-116024, P.R. hina
关键词：	Tunnel Seismic Response Buffer Layer Dynamic Interaction Seismic Isolation Effect
摘要：	Tunnels, being underground structures, have long been assumed to have the ability to sustatin earthquakes with little damage.However,investigations of mountain tunnels after the Wenchuan Earthquake in China revealed that many tunnels suffered significant damage to various extents.A method to cover a tunnel with a buffer layer is discussed herein as a possible measure for mitigating seismic damage to tunnels.The numerical analysis was conducted to study the seismic response of tunnels and demonstrate the seismic isolation effect of the buffer layer.The dissipated energy including damage dissipated energy and plastic dissipated energy was used to evaluate the effect of buffer layer on seismic behavior of tunnels.The results show that there is a reduction of the dissipated energy rate in the tunnel covered with a buffer layer
会议日期：	201405
会议举办地点：	大连
会议名称：	大工桥梁学科三十年学术研讨会
出版日期：	2014-04-30
母体文献：	大工桥梁学科三十年学术研讨会论文集