典型文献
Seismic ground amplification induced by box-shaped tunnels
文献摘要：
The growing use of underground structures,specifically to facilitate urban transportation,highlights the need to scrutinize the effects of such spaces on the seismic ground response as well as the surrounding buildings.In this regard,the seismic ground amplification variations in the vicinity of single and twin box-shaped tunnels subjected to SV waves have been investigated by the finite difference method.To evaluate the effects,generalizable dimensionless diagrams based on the results of parametric numerical analysis considering factors such as variations in the tunnels'depth,the distances between the tunnels,tunnel lining flexibility,and input wave frequency,have been presented.In addition,to assess the effects of underground box-shaped tunnels on the response spectrum of the ground surface,seven selected accelerograms have been matched based on a specific design spectrum for the stiff soil condition of Eurocode 8(CEN,2006).The results underline the significant amplification effect of the box-shaped tunnels on the ground motions,specifically in the case of horizontal twin tunnels,which should be given more attention in current seismic design practices for surface structures.
文献关键词：
中图分类号：
作者姓名：
Damoon Feizi;Jafar Asgari Marnani;Hamid Alielahi;Mehdi Panji
作者机构：
Department of Civil Engineering,Faculty of Civil and Earth Resources Engineering,Central Tehran Branch,Islamic Azad University,Tehran,Iran;Department of Civil Engineering,Zanjan Branch,Islamic Azad University,Zanjan,Iran
文献出处：
引用格式：
[1]Damoon Feizi;Jafar Asgari Marnani;Hamid Alielahi;Mehdi Panji-.Seismic ground amplification induced by box-shaped tunnels)[J].地震工程与工程振动（英文版）,2022(03):697-714
A类：
accelerograms
B类：
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AB值：
0.546644
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