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饱和孔隙介质中的格林函数及边界积分方程
  • 期刊名称：青岛理工大学学报, 2007, 28: 9-14
  • 时间：0
  • 分类：TU432[建筑科学—岩土工程;建筑科学—土工工程]
  • 作者机构：[1]江西省水电工程局, [2]上海交通大学土木工程系, [3]南昌工程学院土木工程系
  • 相关基金：国家自然科学基金项目（50578071）
  • 相关项目：饱和土中移动载荷问题的边界元方法和积分方程方法
关键词： 移动荷载, 无限板, 饱和土, BIOT波动方程, FOURIER变换
中文摘要：

利用Biot波动理论、无限大板的弹性理论研究了移动荷载作用下饱和土地基上覆弹性板的动力响应问题。首先引入两类势函数解耦Biot波动方程。由所引入势函数及二维Fourier变换，得出了土体位移、应力及孔压在变换域内的通解。再根据无限大板的弹性理论求解了变换域内饱和土的波动系数及板的内力表达式。最后利用IFFT算法得出了时间-空间域内的解析解。文中通过具体算例，分析了荷载移动速度、土层剪切模量对板内力、土体的动力响应的影响。

同期刊论文项目
饱和土中移动载荷问题的边界元方法和积分方程方法
期刊论文 27 会议论文 1
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