(Received 22 June 2013; accepted 24 February 2014)
Published Online: 2014
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The primary objective of this paper is to evaluate the feasibility and subsequent properties of rapidly dewatering fine-grained soils with polymers and stabilizing them with Portland cement. Rapidly dewatering very high moisture soil (VHMS) from 10 % to 30 % solids for immediate re-use in a disaster environment appears feasible. The most feasible application would be saltwater slurry with a relatively low organic content [e.g., high-plasticity clay (CH) soil along a coastline]. Handling contaminated sediments in a disaster environment appears to be a suitable application. Using polymers improved shear strength and elastic modulus of cement-stabilized VHMS. On average, shear strength and elastic modulus improved 25 % and 63 %, respectively. Shear strengths of the materials produced ranged from soft to stiff clay after up to 7 days of curing, which is a useable strength for several applications.
Howard, Isaac L.
Associate Professor, Materials and Construction Industries Chair, Civil and Environmental Engineering, Mississippi State Univ., Mississippi State, MS
Carruth, William D.
Research Civil Engineer, U.S. Army Engineer, Research and Development Center, Vicksburg, MS
Stock #: ACEM20130089