EXPERIMENT ON BEARING CHARACTERISTICS OF LONG-SHORT CEMENT-SOIL PILES COMPOSITE FOUNDATION

Yang Qingguang; Zhang Keneng; Liu Jie

doi:10.13204/j.gyjz200803020

Volume 38 Issue 3

Dec. 2014

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Yang Qingguang, Zhang Keneng, Liu Jie. EXPERIMENT ON BEARING CHARACTERISTICS OF LONG-SHORT CEMENT-SOIL PILES COMPOSITE FOUNDATION[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(3): 72-74105. doi: 10.13204/j.gyjz200803020

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Yang Qingguang, Zhang Keneng, Liu Jie. EXPERIMENT ON BEARING CHARACTERISTICS OF LONG-SHORT CEMENT-SOIL PILES COMPOSITE FOUNDATION[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(3): 72-74105. doi: 10.13204/j.gyjz200803020

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EXPERIMENT ON BEARING CHARACTERISTICS OF LONG-SHORT CEMENT-SOIL PILES COMPOSITE FOUNDATION

doi: 10.13204/j.gyjz200803020

1.
1. College of Geosciences and Environmental Engineering,Central South University,Changsha 410083;
2.
2. Research Institute of Geotechnical Engineering,Hunan University of Technology,Zhuzhou 412008

Received Date: 2007-07-12
Publish Date: 2008-03-20

Abstract

Abstract

To study reinforcement effect and bearing characteristics of long-short cemen-t soil piles composite foundation in deep soft soils, the loading test in situ on the bearing characteristics of long-short cemen-t soil piles composite ground in deep soft soils is carried out. The stresses of long piles, short piles and soil have been measured; and pile-soil stress ratio of composite ground with cemen-t soil long-short piles and its variation with the load have been studied in deep soils. According to pile-soil stress ratio, it has been found that stress ratio increases firstly and then decreases and finally tends to stability. It has also been revealed that the sequence of primary piles and secondary pile have been changed before and after critical load.
- cement-soil pile,
- long-short piles,
- composite foundation,
- bearing characteristics,
- loading test

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References(16)

References

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