Study on Vibro-Replacement Stone Pile Test for Soft Soil Foundation

Tie Liang Li; Jing Meng; Qiang Zhang; Gan Zhang; Lei Fei Deng; Yan Qiang Cui

doi:10.4028/www.scientific.net/AMM.543-547.3982

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Study on Vibro-Replacement Stone Pile Test for Soft Soil Foundation
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 543-547Study on Vibro-Replacement Stone Pile Test for...

Study on Vibro-Replacement Stone Pile Test for Soft Soil Foundation

Abstract:

This paper studies the applicability of vibro-replacement stone pile in combination of a port project in Dalian as well as heavy dynamic sounding and standard penetration test, studies the reinforcement effect of pile distance and feeding type on vibro-replacement stone and analyzes reinforcement effects of the side pile and the earth among piles. The results show: smaller pile distance will bring better pile compactness; for the vibro-replacement stone pile constructed in soft earth with undrained strength less than 20kPa with the conventional method, it is not easy to form compact pile; the reinforcement effect works only within 0.6m on the top; vibro-replacement stone pile with bottom feeding mode can form compact piles, but the pile has the interlayer which is not compact enough partially; the strength of the earth among piles fails to improve obviously before and after the stone pile is formed.

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Periodical:

Applied Mechanics and Materials (Volumes 543-547)

Pages:

3982-3985

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.543-547.3982

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Online since:

March 2014

Authors:

Tie Liang Li*, Jing Meng, Qiang Zhang, Gan Zhang, Lei Fei Deng, Yan Qiang Cui

Keywords:

Dynamic Penetration Test, Soft Soil Foundation, Standard Penetration Test, Vibro-Replacement Stone Pile

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