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Performance Studies on Cement Stabilized Gravelly Soil Exposed to Sulfate Environment
Abstract Soil is being used as construction material worldwide since decades for construction of flexible pavements, embankments and brick making. Many methods have been tried for improving the characteristics of soil to make it suitable for intended purpose. Stabilization of soils in order to improve strength and durability properties often relies on additives such as cement, lime, fly ash, and asphalt emulsion. These materials are low-priced, relatively easy to apply and provide benefits to different soils. In the present study, comprehensive laboratory work is carried out on the durability characteristics of cement stabilized gravelly soils exposed to three sodium sulfate solutions with sulfate concentrations of 1, 3 and 5 %, with exposure periods up to 6 months. Two types of soils, namely clayey gravel (GC) and silty gravel (GM) are stabilized with varying cement content ranging from 4 to 14 % by dry weight of the soil in increments of 2 %. As per the results, the compressive strength gain of CSGM cubes with age continued with addition of cement whereas compressive strength gain of CSGC cubes with age increased with increase in cement content up to 6 % and thereafter decreased.
Performance Studies on Cement Stabilized Gravelly Soil Exposed to Sulfate Environment
Abstract Soil is being used as construction material worldwide since decades for construction of flexible pavements, embankments and brick making. Many methods have been tried for improving the characteristics of soil to make it suitable for intended purpose. Stabilization of soils in order to improve strength and durability properties often relies on additives such as cement, lime, fly ash, and asphalt emulsion. These materials are low-priced, relatively easy to apply and provide benefits to different soils. In the present study, comprehensive laboratory work is carried out on the durability characteristics of cement stabilized gravelly soils exposed to three sodium sulfate solutions with sulfate concentrations of 1, 3 and 5 %, with exposure periods up to 6 months. Two types of soils, namely clayey gravel (GC) and silty gravel (GM) are stabilized with varying cement content ranging from 4 to 14 % by dry weight of the soil in increments of 2 %. As per the results, the compressive strength gain of CSGM cubes with age continued with addition of cement whereas compressive strength gain of CSGC cubes with age increased with increase in cement content up to 6 % and thereafter decreased.
Performance Studies on Cement Stabilized Gravelly Soil Exposed to Sulfate Environment
Satyanarayana Reddy, C. N. V. (Autor:in) / Prasad, A. C. S. V. (Autor:in)
Indian Geotechnical Journal ; 45 ; 217-224
04.09.2014
8 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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