| 桩承式路堤土拱效应的算法对比与改进 |
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| 引用本文： | 龚小琴,王蓉蓉,孙文君,李义唐.桩承式路堤土拱效应的算法对比与改进[J].价值工程,2014(11):84-85. |
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| 作者姓名： | 龚小琴 王蓉蓉 孙文君 李义唐 |
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| 作者单位： | [1]河北工程技术高等专科学校,沧州061001 [2]济南军区建筑设计院,济南250002 |
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| 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。
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| 关 键 词： | 土拱效应 桩承式路堤 土压力系数 桩土应力比 |
Comparison and Improvement of Calculating Method of Soil Arching Effect on Pile-supported Embankments |
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| GONG Xiao-qin,WANG Rong-rong,SUN Wen-jun,LI Yi-tang.Comparison and Improvement of Calculating Method of Soil Arching Effect on Pile-supported Embankments[J].Value Engineering,2014(11):84-85. |
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| Authors: | GONG Xiao-qin WANG Rong-rong SUN Wen-jun LI Yi-tang |
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| Institution: | 1 Hebei Engineering and Technical College ,Cangzhou 061001, China;2Architectural Design Institute of Ji＇nan Military Region, Ji＇nan 250002, China) |
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| Abstract: | 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 |
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| Keywords: | soil arching effect pile-supported embankment coefficient of earth pressure pile-soil stress ratio |
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