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(一)主动土压力档土墙主动土压力的计算方法,大致可以分为两种:(1)库伦原理及其继承者所导出的一些方法。(2)索科洛夫斯基理论。目前我们采用的是前一种方法。本文所要介绍的主要是从库伦原理出发的。至于索科洛夫斯基理论所导出的公式仅作简要介绍。 (甲)库伦原理:库伦原理系假定松散颗粒体的平衡受到破坏,形成一个破裂平面BC及滑动棱体ABC。从力系E、R及G的平衡三角形中,可以得出主动土压力的一般表达式:
(A) active earth pressure Soil wall active earth pressure calculation method, can be divided into two kinds: (1) Coulomb principle and some of its successors derived. (2) Sokolovsky theory. Currently we use the former method. This article is to introduce mainly from the Coulomb principle. The formulas derived from Sokolovsky’s theory are only briefly described. (A) The Coulomb principle: The Coulomb principle assumes that the balance of loose particles is destroyed, forming a rupture plane BC and a sliding prism ABC. From the equilibrium triangles of forces E, R, and G, one can derive the general expression for active earth pressure: