考虑固结和流变的水平受荷桩的理论分析  

Theoretical study of the horizontally loaded single pile on considering the consolidation and rheology of soil

作　　者：陆建飞[1] 王建华[1] 沈为平[1] 

机构地区：[1]上海交通大学建筑工程与力学学院,上海200030

出　　处：《中国公路学报》2000年第3期29-32,共4页China Journal of Highway and Transport

基　　金：国家自然科学基金项目(59879012);国家教委博士点基金项目(98024832)

摘　　要：根据水平圆形载荷基本解和桩土变形协调条件得出了粘弹性饱和土中的单桩在时间域内的第二类 FREDHOLM积分方程 ,并利用 LAPLACE变换对积分方程进行了简化。对上述积分方程进行数值求解并进行相应的 LAPLACE逆变换即可得单桩在水平力作用下剪力、弯矩、桩轴线的位移以及桩侧孔压在任意时刻的值。By using elementary solution of circular load and the coordinate condition between the pile and soil,the second kinds of FREDHOLM integral equation of the single pile is obtained.The integral equation can be simplified by means of LAPLACE transforms method.The numerical solution of the integral equation and the corresponding numerical inverse LAPLACE transforms method give the values of shear force,the moment,the displacement of the pile and the pore pressure along the sides of the pile at arbitrary time.

关 键 词：BIOT固结 流变 水平桩 FREDHOLM积分方程 积分变换 

分 类 号：U443.15[建筑科学—桥梁与隧道工程]