应用Rankine理论的主动土压力计算

Calculation of active earth pressure on Rankine's theory

应用应力圆将Rankine理论计算主动土压力的方法延伸至坡面具有倾斜角的粘性填土,得出主动土压力强度沿墙背呈非线性分布的规律。根据填土倾斜角对填土内摩擦角的相对关系,导出土压力大小及作用点深度的计算公式,并绘制出曲线,以备查用。

The method by circle of stress is used for calculating the active earth pressure extended to cohesive soil with a slope angle on Rankine's theory. The distribution of earth pressure strength acted on wall is nonlinear. The expressions of the value of earth pressure and the depth of point acted on the wall are put forward for different relative values between slope angle and friction angle of fill and result in graphs and simple formula.