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基于库仑理论的平面滑裂面假设,利用库尔曼图解法求无黏性土土压力原理,考虑滑裂面上填土的黏聚力和填土与挡土墙背之间的黏着力,推出求黏性土主动土压力的新方法。方法可以使用假定滑裂面的方式进行编程试算从而求得主动土压力及破坏面倾角。采用VB.net为开发平台编制了程序。计算显示该方法易于实现且精度高,原理简单,便于推广应用。
Based on the Coulomb theory of plane slip plane assumption, the principle of non-cohesive earth pressure is calculated by the method of Kullman’s diagram. Considering the cohesion of the fill plane on the slip plane and the adhesion between the fill and the back wall, Launched a new method for seeking active earth pressure of cohesive soil. The method can be used to make tentative tests on the assumption of sliding surface to obtain active earth pressure and failure angle. Using VB.net for the development of the preparation of the program. The calculation shows that the method is easy to implement and has high precision, simple principle and easy popularization and application.