DESIGN PARAMETERS OF SDS-PILE COMPOSITE FOUNDATION IN SELF-WEIGHT COLLAPSIBLE LOESS FOUNDATION

CHEN Tianlei; NIU Mengshi; XIE Sa

doi:10.13204/j.gyjz202006004

Volume 50 Issue 6

Aug. 2020

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CHEN Tianlei, NIU Mengshi, XIE Sa. DESIGN PARAMETERS OF SDS-PILE COMPOSITE FOUNDATION IN SELF-WEIGHT COLLAPSIBLE LOESS FOUNDATION[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(6): 16-21. doi: 10.13204/j.gyjz202006004

Citation:

CHEN Tianlei, NIU Mengshi, XIE Sa. DESIGN PARAMETERS OF SDS-PILE COMPOSITE FOUNDATION IN SELF-WEIGHT COLLAPSIBLE LOESS FOUNDATION[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(6): 16-21. doi: 10.13204/j.gyjz202006004

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DESIGN PARAMETERS OF SDS-PILE COMPOSITE FOUNDATION IN SELF-WEIGHT COLLAPSIBLE LOESS FOUNDATION

doi: 10.13204/j.gyjz202006004

Lanzhou Engineering & Research Institute of Nonferrous Metallurgy Co., Ltd., Lanzhou 730000, China

Received Date: 2019-09-24
Publish Date: 2020-08-20

Abstract

Abstract

Tests have proved that in the collapsible loess, the use of the squeezing effect of soil displacement screw (SDS) piles in the process of pile formation, by adjusting the pile spacing, could not only eliminate the collapsibility of soil around piles, but also improve foundation bearing capacity. Through the fall scale test in site, the relevant design parameters of SDS-pile composite foundation in self-weight collapsible loess zones were preliminarily determined.
- composite foundation,
- SDS pile,
- pile-soil stress ratio,
- bearing capacity coefficient

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References

中华人民共和国住房和城乡建设部.建筑地基处理技术规范:JGJ 79-2012[S]. 北京:中国建筑工业出版社,2012.

中华人民共和国住房和城乡建设部.土工试验方法标准:GB/T 5013-2019[S]. 北京:中国建筑工业出版社,2019.

中华人民共和国住房和城乡建设部. 建筑地基基础设计规范:GB 50007-2011[S]. 北京:中国建筑工业出版社,2011.

中华人民共和国住房和城乡建设部. 复合地基技术规范:GB/T 50783-2012[S]. 北京:中国建筑工业出版社,2012.

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