Study and Analysis on Pile-Soil Stress Ratio of the Composite Foundation of Cement-Soil Mixing Pile under Flexible Foundation

Xiao Rong Yang; Lei Yu Zhang; Hai Chao Li; Li Ying Dong

doi:10.4028/www.scientific.net/AMR.335-336.1145

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 335-336Study and Analysis on Pile-Soil Stress Ratio of...

Study and Analysis on Pile-Soil Stress Ratio of the Composite Foundation of Cement-Soil Mixing Pile under Flexible Foundation

Abstract:

In order to analyze the characteristics of pile-soil stress ratio of the composite foundation of cement-soil mixing pile under flexible foundation, this paper points out the displacement mode of friction pile; According to the deformation characteristic of friction pile, ascertain the neutral point of composite foundation. And this paper also derives the exact formula about length-stress ratio which addresses the problem of soft soil foundation according to the deformation co-ordination conditions of the pile composite foundation. The calculation of actual example proves that the formula about pile-soil stress ratio is in accordance with actual measurement number. The pile-soil stress ratio which addresses the problem of soft soil foundation is generally between 2~4. If other conditions keep invariable, pile-soil stress ratio become big when cushion modulus become big. Cushion modulus effect the length-stress ratio greatly.

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Periodical:

Advanced Materials Research (Volumes 335-336)

Pages:

1145-1150

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.335-336.1145

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Online since:

September 2011

Authors:

Xiao Rong Yang, Lei Yu Zhang, Hai Chao Li, Li Ying Dong

Keywords:

Cement-Soil Mixing Pile, Displacement Mode, Flexible Foundation, Friction Pile, Pile-Soil Stress Ratio

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