Calculation of passive earth pressure of cohesive soil based on Culmann's method  

作　　者：Hai-feng LU Bao-yuan YUAN 

机构地区：[1]College of Earth Science and Engineering, Hohai University Nanjing 210098, P. R. China

出　　处：《Water Science and Engineering》2011年第1期101-109,共9页水科学与水工程（英文版）

基　　金：supported by the National Natural Science Foundation of China (Grant No. 50539110)

摘　　要：Based on the sliding plane hypothesis of Coulumb earth pressure theory, a new method for calculation of the passive earth pressure of cohesive soil was constructed with Culmann＇s graphical construction. The influences of the cohesive force, adhesive force, and the fill surface form were considered in this method. In order to obtain the passive earth pressure and sliding plane angle, a program based on the sliding surface assumption was developed with the VB.NET programming language. The calculated results from this method were basically the same as those from the Rankine theory and Coulumb theory formulas. This method is conceptually clear, and the corresponding formulas given in this paper are simple and convenient for application when the fill surface form is complex.Based on the sliding plane hypothesis of Coulumb earth pressure theory, a new method for calculation of the passive earth pressure of cohesive soil was constructed with Culmann＇s graphical construction. The influences of the cohesive force, adhesive force, and the fill surface form were considered in this method. In order to obtain the passive earth pressure and sliding plane angle, a program based on the sliding surface assumption was developed with the VB.NET programming language. The calculated results from this method were basically the same as those from the Rankine theory and Coulumb theory formulas. This method is conceptually clear, and the corresponding formulas given in this paper are simple and convenient for application when the fill surface form is complex.

关 键 词：Coluomb earth pressure theory Culmann＇s graphical construction  retaining wall passive earth pressure cohesive soil 

分 类 号：TU442[建筑科学—岩土工程] TV223[建筑科学—土工工程]