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Title: Effects of coarse-grained materials on properties of residuals soil
Authors: Indrawan, I. Gde Budi
Leong, Eng Choon
Rahardjo, Harianto
Keywords: DRNTU::Engineering::Civil engineering::Geotechnical
Issue Date: 2006
Source: Indrawan, I. G. B., Rahardjo, H., & Leong, E. C. (2006). Effects of Coarse-Grained Materials on Properties of Residuals Soil. Engineering Geology, 82(3), 154–164.
Series/Report no.: Engineering geology
Abstract: Residual soils are generally characterised by a low coefficient of permeability and high shrinkage potential. Several soil improvement methods can be applied to overcome these problems, including mixing the residual soil with coarse-grained soils. In order to study the effects of varying coarse-grained materials on the hydraulic properties and shrinkage characteristics of residual soils, a local residual soil was mixed with different percentages of a gravelly sand and a medium sand. The hydraulic properties and shrinkage potential of the residual soil and the soil mixtures were investigated. The measurements showed that increasing the amount of coarse-grained materials increased the saturated permeability and reduced the shrinkage potential of the residual soil mixture. Increasing the amount of coarse-grained materials in the residual soil produced changes in several key parameters of soil–water characteristic curve (e.g., the slope, the air-entry value, the residual matric suction, and the residual volumetric water content), as well as the unsaturated permeabilities of the soil mixtures.
DOI: 10.1016/j.enggeo.2005.10.003
Rights: © 2006 Elsevier Ltd.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:CEE Journal Articles


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