求解地基位移的影响函数法

Influence Function Method for Computing Foundation Displacement

本文利用圆心位移影响函数,提出弹性地基中圆形、环形、矩形面积上作用竖向均布荷载对地基位移的一般计算式.这些公式简单明了,便于数值计算,对时间和空间变量是否可分离不作任何限制,既可用于动力分析,又可用于静力分析等多种情况.大量数值计算比较表明,对于地基沉降计算,圆心位移影响函数法是一种简单有效和通用的方法,在许多情况下还可以求得问题的解析解.

By use of influence function of circle centre displacement . this paper presents analytical formulas for computing the displacement of elastic foundation under circular , ring and rectangular uniform loads which are suitable for solving the static and dynamic problems of elastic foundation . The formulas for computing the surface displacement of an elastic half-space are particular cases of the formulas in this paper.