摘要
针对层状饱和砂土，求解了由Ｔｅｒｚａｇｈｉ固结理论与不排水条件下孔隙水压力增长模式相耦合的含有源项的扩散方程，得到了一个较为一般的孔隙水压力场封闭型解答．辅以一定的数值计算，可以具体地预计层状饱和砂土震动中孔隙水压力扩散与消散过程及液化势．算例分析表明，建议的估算方法简便可行，有一定的实用价值．所得解答可为其他数值方法提供一个验证的基础．
The dissipation equation with a source term,which couples Terzaghi’s consolidationtheory with the experimentally-achieved empirical model of vibration-induced pore-water pressureincrement,is solved for layered saturated sands by the mathematical physical methed. Thereby ageneral closed-form solution of pore-water pressure field is developed.Then based on numericalcomputations,the dissipation process of pore-water pressure and liquefaction potential ofsaturated sands during earthquake shaking can be predicted. An example study shows that theproposed method is simple and practically applicable. The solution developed herein can provide averification basis for other sophisticated numerical methods.
出处
《大连理工大学学报》
EI
CAS
CSCD
北大核心
1995年第2期216-221,共6页
Journal of Dalian University of Technology
基金
国家博士后科研基金
