Resilient Properties of Subgrade Soils

by Marshall R. Thompson, (M.ASCE), Prof. of Civ. Engrg.; Univ. of Illinois at Urbana-Champaign, Urbana, Ill.,
Quentin L. Robnett, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Georgia Inst. of Tech., Atlanta, Ga.,

Serial Information: Transportation Engineering Journal of ASCE, 1979, Vol. 105, Issue 1, Pg. 71-89

Document Type: Journal Paper


Resilient properties of 50 typical Illinois fine-grained soils were evaluated. Soil resilient properties can be related to soil characteristics (texture, plasticity, organic carbon content, AASHTO group index). Current soil classification procedures do not group fine-grained soils into groups with distinctive resilient properties. Moisture-density conditions and degree of saturation significantly influence the resilient properties of fine-grained soils. Average resilient properties for various soil classification groups were determined. Regression equations were developed for estimating resilient properties based on soil characteristics and degree of saturation.

Subject Headings: Fine-grained soils | Soil properties | Soil classification | Saturated soils | Subgrades | Subgrade soils | Plasticity | Carbon compounds | Illinois | United States

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