Analysis of Small Non-Sand Concrete Pile Grouting Pressure Based on Unified Strength Theory

Huai Feng Tong

doi:10.4028/www.scientific.net/AMM.166-169.3095

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 166-169Analysis of Small Non-Sand Concrete Pile Grouting...

Analysis of Small Non-Sand Concrete Pile Grouting Pressure Based on Unified Strength Theory

Abstract:

Analysis of stress state of soil around the pile and grouting pressure of small non-sand concrete pile is given based on the expansion elastic theory of cylindrical cavity and the unified strength theory, the grouting pressure formula is obtained in the elastic limit state and elastic-plastic state of soil around the pile considered the intermediate principal stress, and the relationship is obtained between the grouting pressure and the plastic radius; When the soil around the pile is in different stress state, the correlativity of crack and densification of grouting is analyzed, and the relationship between the grouting pressure and the plastic radius is discussed with the right coefficient of the intermediate principal stress and initial press under different values. The obtained results have provided efficient analysis means for grouting optimal design of post-processing technology with small non-sand concrete pile.

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Periodical:

Applied Mechanics and Materials (Volumes 166-169)

Pages:

3095-3099

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.166-169.3095

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Online since:

May 2012

Authors:

Huai Feng Tong

Keywords:

Grouting Pressure, Small Non-Sand Concrete Pile, Stress State, Unified Strength Theory

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