Compressibility for Sand Under One-Dimensional Loading Condition

by Ching S. Chang, (M.ASCE), Univ of Massachusetts, Amherst, United States,



Document Type: Proceeding Paper

Part of: Vertical and Horizontal Deformations of Foundations and Embankments

Abstract:

Empirical equations for one dimensional compression of sand do not include parameters characterizing properties of sand grains (e.g. moduli, size and shape of sand grains, and friction properties between grains). In this paper, close-form expressions of compressibility and lateral earth pressure are derived for spherical particles in a body centered arrangement. The predicted results are compared with experimental measurements for sands under both loading and unloading conditions. The effects of micro-scale properties and macro-scale responses are discussed to provide insights for future improvements in abilities of predicting settlement under complicated loading conditions.

Subject Headings: Soil properties | Soil compression | Load factors | Lateral pressure | Soil settlement | Soil pressure | Lateral loads

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