Dynamic response of spherical cavity in nearly saturated viscoelastic soils

XU Chang-jie; MA Xiao-hua

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Dynamic response of spherical cavity in nearly saturated viscoelastic soils

更新时间：2026-06-25

- Dynamic response of spherical cavity in nearly saturated viscoelastic soils
- Vol. 26, Issue 8, (2005)
- 作者机构：
  
  浙江大学岩土工程研究所,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU435
- Online First：26 December 2013，
  
  Published：2005
- 稿件说明：
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XU Chang-jie, MA Xiao-hua. Dynamic response of spherical cavity in nearly saturated viscoelastic soils[J]. 2005, 26(8).
DOI：

XU Chang-jie, MA Xiao-hua. Dynamic response of spherical cavity in nearly saturated viscoelastic soils[J]. 2005, 26(8). DOI：

摘要

从工程实际出发，采用粘弹性两相介质模型，考虑土骨架的粘性以及流体与固体之间的耦合作用，利用Laplace变换求解了粘弹性准饱和土中球空腔的动力响应问题，得到了变换域内的解析解。借助数值Laplace反变换，数值分析了粘弹性准饱和土中球空腔动力响应的位移、应力及孔压的变化规律。为分析地下结构动力响应提供了一种有效的方法，模型符合工程实际，有一定的工程应用价值。

Abstract

Considering engineering practice

the viscoelastic two-phase model of soils is adopted to analyze the transient dynamic response of the spherical cavity in nearly saturated viscoelastic soils. The analytic solution in transformed domain is got by the method of Laplace transformation; and numerical results are presented through inverse Laplace transformation. The displacement

stresses and pore water pressure are investigated during the response and compared with the elastic case; and some features of the problem are revealed. The study is reasonable for engineering practice and provides an effective method for analysing the similar problem about dynamic response of underground structure.

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