基于朗肯土压力理论的有限土体土压力计算探究
摘要:在一般土力学及挡土墙研究中，计算土压力的方法往往是传统的朗肯土压力理论和库仑土压力理论，其都是建立在半无限土体假定基础上的。由于城市用地紧张，建筑物与支护结构的距离常常比较小，支护结构的作用越来越复杂。城市开发建设过程中，不仅要保证自身的稳定性、经济性，还要保证临近建筑物和设施的安全。对四种有限土体土压力计算方法进行推导探究，分析对比得到在同等条件下，利用极限平衡受力分析法所得到的有限土体土压力值较小，更具经济效益，而在不同的地层和墙间距情况下不同的算法有不同的特点，充分考虑特殊条件下的土压力计算方法，可以使施工设计方案更优化。
Abstract:In the general study of soil mechanics and retaining walls,the calculation method of earth pressure is often the traditional Rankine's earth pressure and the Kulun's earth pressure theory,which are based on the semi infinite soil assumption.Because of the tense city land,the distance between building and supporting structure is often relatively small,and the role of supporting structure is more and more complex.Not only to keep its stability and economy but also to ensure the safety of ad jacent buildings and facilities in the process of urban development and construction.This paper deduced the calculation method of four kinds of finite earth pressure,we get the results that using the limit equilibrium stress analysis to get the limited soil pressure values are smaller and more economic than the other methods under the same conditions.And the formation and the wall distance under different situations have different characteristics in different algorithms.Considering the special conditions of soil pressure calculation method can make the construction design better.
中文标题：
基于朗肯土压力理论的有限土体土压力计算探究
Research on Computational Finite Earth Pressure Based on Rankine's Earth Pressure Theory
作者：
张钦喜,邓超,王晓杰
Zhang Qinxi,Deng Chao,Wang Xiaojie
作者简介:张钦喜,1964年生,男,1985年毕业于长春地质学院工程地质专业,博士,现任教授、硕士生导师,主要从事地基处理及基坑工程等方面的教学与研究工作。E-mail:qinxizhang@126.com
通讯地址：
北京工业大学建筑工程学院, 北京 100022
CollegeofArchitectureandCivilEngineering,BeijingUniversityofTechnology,Beijing100022,China
中图分类号:TU4311.4
doi:10.3969/j.issn.1007-2993.2014.04.004
出版物：岩土工程技术
收稿日期:2014-04-02
网络出版日期:2021-07-19
关键词:有限土体压力,折减系数,计算方法,对比探究
Key words:finite earth pressure,reduction factor,computational method,contrast inquiry
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