Seismic Effects of Two-Dimensional Subsurface Cavity on the Ground Motion by BEM: Amplification Patterns and Engineering Applications

被引：16

作者：

Alielahi, Hamid ^{[1
]}

Adampira, Mohammad ^{[2
]}

机构：

[1] Islamic Azad Univ, Zanjan Branch, Dept Civil Engn, Zanjan, Iran

[2] Islamic Azad Univ, Sci & Res Branch, Dept Civil Engn, Tehran, Iran

来源：

INTERNATIONAL JOURNAL OF CIVIL ENGINEERING | 2016年 / 14卷 / 4B期

关键词：

Seismic ground response; Amplification; Subsurface cavity; Boundary element method (BEM); Wavelength; BOUNDARY-ELEMENT METHOD; UNDERGROUND CAVITIES; HALF-PLANE; MULTIPLE-SCATTERING; RAYLEIGH-WAVES; ELASTIC-WAVES; SV WAVES; TUNNELS; DIFFRACTION; VICINITY;

D O I：

10.1007/s40999-016-0020-7

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this paper, the results of a comprehensive numerical parametric study on the seismic response of the half-plane with subsurface cavity have been presented. For analysis purposes, a numerical time-domain analysis is performed by utilizing a robust numerical algorithm based on time-domain boundary element method. It is observed that an embedded cavity under the ground surface can create a highly variable amplification pattern on the half-plane. Some preliminary simple relationships and tables are presented which could be used while introducing simple preliminary ideas for modification of the standard design spectra in building codes and seismic microzonation studies.

引用

页码：233 / 251

页数：19

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