摘要
从工程实际出发,对刘吉福和周亦涛土拱效应算法中土压力系数取值进行了改进,进而得到了桩土应力比的改进算法。改进后的刘吉福算法和周亦涛算法得到的桩土应力比均随土压力组合系数增加而减小,随桩间距增加而减小,随桩土差异沉降增加而增加;改进后的周亦涛算法更加接近实测值,且是偏于安全。因此本文的研究为桩承式路堤设计提供了一种有益的参考。
Considering practical engineering, it improved the coefficient of earth pressure of Liujifu＇s and Zhouyitao＇s calculating method of soil arching effect arching effect, and the formula of pile-soil stress ratio is deduced. Improved pile-soil stres
出处
《价值工程》
2014年第11期84-85,共2页
Value Engineering
关键词
土拱效应
桩承式路堤
土压力系数
桩土应力比
soil arching effect
pile-supported embankment
coefficient of earth pressure
pile-soil stress ratio
