Determining Preconsolidation Pressure of the Lakeside New District Soft Clay of Hefei Based on Casagrande Method by Matlab

Yan Shao; Chang Yong Li; Yuan Wei

doi:10.4028/www.scientific.net/AMM.291-294.1113

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 291-294Determining Preconsolidation Pressure of the...

Determining Preconsolidation Pressure of the Lakeside New District Soft Clay of Hefei Based on Casagrande Method by Matlab

Abstract:

The preconsolidation pressure is an important index to determine the stress history of soil and also a major calculation parameter for the analysis of soil stratum’s deformation in the different stress history. Casagrade method is worldwide applied to determine the preconsolidation pressure. On the basis of research on consolidation test about the lakeside new district soft clay of Hefei by high pressure consolidation apparatus, and conformed to Casagrande method, the paper adopts quartic polynomial and least square method to fit the compression curve, and the preconsolidation pressure of the lakeside new distract soft clay of Hefei is determined by matlab software. The result provides reference for the calculation of foundation settlement considering stress history.

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Periodical:

Applied Mechanics and Materials (Volumes 291-294)

Pages:

1113-1116

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.291-294.1113

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Online since:

February 2013

Authors:

Yan Shao, Chang Yong Li, Yuan Wei

Keywords:

Casagrande Method, High-Pressure Consolidation Apparatus, MATLAB Program, Preconsolidation Pressure

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