Dynamic Response of a Poroelastic Half-space with Semi-permeable Surface Subjected to Time-harmonic Vertical Load

被引：2
|
作者：
Luo, Xi [1 ]
Zeng, Xianwei [1 ]
Tang, Liqun [1 ]
机构：
[1] S China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510641, Guangdong, Peoples R China
来源：
ADVANCES IN INDUSTRIAL AND CIVIL ENGINEERING, PTS 1-4 | 2012年 / 594-597卷
关键词：
Poroelasticity; Half space; Dynamic response; Semi-permeable surface;
D O I：
10.4028/www.scientific.net/AMR.594-597.2757
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Based on Biot's elastodynamic theory for poroelastic media, the dynamic response of a poroelastic half-space due to a time-harmonic concentrated vertical load applied at the free surface is investigated. Different from previous treatments of the free surface as either fully permeable or fully impermeable, the free surface of a pororelastic half-space is treated in this study as a more realistic semi-permeable boundary condition, i.e. the permeability of the free surface is considered. The governing equation for axisymmetric motion of a poroelastic half-space is solved by applying the Hankel integral transform. Numerical results are presented to show the effects of semi-permeable boundary condition on the dynamic response of poroelastic half-space.
引用
收藏
页码：2757 / 2762
页数：6
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