摘要
文章基于固体介质、流体介质、液固两相饱和介质的时域显式有限元波动分析方法 ,研究了可压缩库水条件下淤积泥砂对水平地运动作用时刚性坝面上动压力的影响。研究中分析了作为两相介质处理的淤积泥砂的饱和度、厚度、渗透系数和孔隙率对坝面动压力的影响 ,还比较了作为流固两相介质、单相固体介质、单相重流体介质处理的不同淤积泥砂层模型间的计算结果差异。
Base on the explicit finite element schemes for analyzing dynamic response of solid, porous media, and fluid, the effects of sediment on the dynamic pressures acting on rigid dam due to horizontal ground motion are studied. In this investigation, sediment is firstly modeled as porous media and the effects of its saturation, thickness, permeability and porosity on dynamic pressures are analyzed; and then sediment is modeled as one-phase solid and one-phase fluid respectively and the computing results are compared with those obtained by modeling sediment as porous media.
出处
《地震工程与工程振动》
CSCD
北大核心
2002年第5期8-13,共6页
Earthquake Engineering and Engineering Dynamics
基金
国家自然科学基金项目 ( 5 940 90 0 1
5 973180 )
