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Strategic Study of CAE >> 2012, Volume 14, Issue 1

Case study of DX single pile settlement

School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China

Funding project:铁道部重点科技项目(2009J010-F) Received: 2011-11-15 Available online: 2012-01-06 15:24:28.000

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Abstract

DX pile which is typical varied cross-section pile has a different load transfer mechanism compared to straight pile. The bearing capacity of the pile is increased, while the settlement is significantly reduced at the same time. The characteristic of multi-pivot bearing makes the settlement mechanism very complicated and hard to calculate. This paper compares the settlement characteristics of DX pile and straight pile on the basis of lots of projects to verify the DX pile settlement formula and the reliability of correction factor.

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References

[ 1 ] 鲍生谋,李凡生.DX桩在竖向荷载下破坏机理分析[J].土工基础,2008,22(2):50-52. link1

[ 2 ] 李微薇,李从昀.挤扩支盘桩与DX桩承力盘挤扩机理对比研究[J].岩土工程技术,2009.23(2):100-105. link1

[ 3 ] 陈轮,王海燕,沈保汉,等.DX桩单位刻阻力和单位端阻力的现场试验研究[J]、工业建筑,2004,34(3):15-18,39. link1

[ 4 ] 魏章合,李光茂,贺德新,等.DX桩的试验与研究[J].基础工程,2000,3(5):12-16.21.

[ 5 ] 中华人民共和国信房和城乡建设部.三岔双向挤扩灌注桩设计规程(JGJ171-2009)[S].北京:中国建筑工业出版社,2009.

[ 6 ] 吴永红,郑刚,问旺,等.多支盘钻孔灌注桩基础沉降计算理论与方法[J]:岩土工程学报,2000,22(5):528-53l. link1

[ 7 ] 中华人民共和国建设部。建筑基桩检测技术规范(JGJl06-2003)[S].北京:中国建筑工业出版社,2003.

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