Dynamic responses of unsaturated half-space soils to a strip load at different boundary conditions

被引：10
|
作者：
Shi L.-W. [1 ]
Ma Q. [1 ,2 ]
Ma Y. [1 ]
机构：
[1] School of Civil Engineering, Qinghai University, Xining, 810016, Qinghai
[2] Qinghai Provincial Key Laboratory of Energy-saving Building Materials and Engineering Safety, Xining
来源：
Arabian Journal of Geosciences | 2021年 / 14卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Dynamic responses; Fourier transform; Saturation; Strip loading; Unsaturated soils;
D O I：
10.1007/s12517-021-07152-w
中图分类号：
学科分类号：
摘要：
Based on the mixed theory of three-phase porous media, the dynamic response of unsaturated soils under a strip load is addressed under the two different boundary conditions of water/air permeable and water/air impermeable. Using the Fourier transform, the dynamic governing equations of unsaturated soils are established, and the general solution is derived in the frequency domain. The effects of the saturation, frequency, and boundary conditions on the dynamic behavior of the unsaturated soil are analyzed. The results show that for the unsaturated soil these parameters have an important influence on the dynamic characteristic. © 2021, Saudi Society for Geosciences.
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