Improving Properties of Active Clay by Sand Admixtures

by S. Leelanitkul, Texas A&I Univ, United States,

Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices


Characteristics of an active clay under various contents of sand are presented. The sand is an admixture used for improving properties of the active clay deposited at a marginal site. The strength of soil admixtures at various contents of sand is evaluated and compared to that of caliche soil. The experimental evidence indicates that the soil admixtures containing the sand between 25% and 30% by weight exhibit the compressive strength comparable to that of caliche soil. The soil admixture is recommended for earthwork construction based on its high strength and is more economical.

Subject Headings: Soil properties | Clays | Soil compression | Soil analysis | Compressive strength | Soil mixing | Soil classification | Sand (material)

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