| 长短桩桩筏基础相互作用系数解法及分析 |
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| 引用本文： | 曹明,陈龙珠,陈胜立,郑建国. 长短桩桩筏基础相互作用系数解法及分析[J]. 地下空间与工程学报, 2007, 3(2): 382-388 |
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| 作者姓名： | 曹明 陈龙珠 陈胜立 郑建国 |
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| 作者单位： | 上海交通大学,土木工程系,上海,200240;中国联合工程公司,杭州,310012 |
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| 摘 要： | 采用积分方程法推导出求解桩-桩、桩-土、土-土之间的相互作用系数所需要的第二类Fredholm积分方程,利用叠加原理对长短桩桩筏基础进行计算分析,通过与其它计算方法的比较验证了计算方法的正确性.并对长短桩桩筏基础的沉降、各桩以及土之间的荷载分担情况进行了分析.该方法可以用来分析大规模的长短桩桩筏基础,具有较好的工程应用前景.
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| 关 键 词： | 长短桩桩筏基础 相互作用系数 荷载分担 沉降 |
| 文章编号： | 1673-0836（2007）02-0382-07 |
| 修稿时间： | 2006-12-13 |
An Interaction Factor Approach and Analysis for Long-Short-Pile Piled Raft Foundations |
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| CAO Ming,CHEN Long-zhu,CHEN Sheng-li,ZHENG Jian-guo. An Interaction Factor Approach and Analysis for Long-Short-Pile Piled Raft Foundations[J]. Chinese Journal of Underground Space and Engineering, 2007, 3(2): 382-388 |
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| Authors: | CAO Ming CHEN Long-zhu CHEN Sheng-li ZHENG Jian-guo |
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| Affiliation: | 1. Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; 2. China United Engineering Corporation, Hangzhou 310012, China |
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| Abstract: | By the integral method the second kind Fredholm's integral equation is deduced to find the factors of pile-pile,pile-soil and soil-soil interaction.Using the principle of superposition the long-shortpile piled raft foundations are calculated.The present method is verified with other methods.Also,an analysis is made to study the long-short-pile piled raft foundation settlement,the loads shared by the individual pile and subsoil.The present method can be readily used to analyze the large piled raft foundations. |
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| Keywords: | long-short-pile piled raft foundation interaction factor load sharing settlement |
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