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Compressive Strength of Cement Stabilized Soils. A New Statistical Model
Costas A. Anagnostopoulos Laboratory of Soil Mechanics and Foundations,
Geotechnical Engineering Division, Department of Civil Engineering,
Aristotle University of Thessaloniki, 541 24 Thessaloniki Greece Maria Chatziangelou Laboratory of Engineering Geology and Hydrogeology
School of Geology | |
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ABSTRACT |
Soft soils are well known for their low strength properties, high compressibility and high swell-shrinkage characteristics. Thus, they are inappropriate for building foundation or for other geotechnical works. Deep cement mixing has recently been used to face these problems by improving the strength and reducing the deformation of soft soils. The present study examines the parameters which influence significantly the strength of a cement stabilized soil. These are: the water and sand content, the liquid limit, the amount of the added cement and curing time. A comprehensive laboratory work was carried out in order to study the compressive strength of nine different silty-clay soils stabilized with various quantities of cement. The laboratory results were used for the development of a non linear regression equation that best relates the compressive strength of a stabilized soil to the aforementioned parameters considered as descriptor variables.
Keywords: Soil stabilization, compressive strength, regression model
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