详情

原文传递 EVALUATION OF RESILIENT MODULUS FOR LIME- AND CEMENT-STABILIZED SYNTHETIC COHESIVE SOILS.

题名：	EVALUATION OF RESILIENT MODULUS FOR LIME- AND CEMENT-STABILIZED SYNTHETIC COHESIVE SOILS.
作者：	Achampong-F; Usmen-M; Kagawa-T
关键词：	SOIL-STABILIZATION; COHESIVE-SOILS; LIME-; CEMENT-STABILIZATION; MODULUS-OF-RESILIENCE; KAOLINITE-; MONTMORILLONITE-; DEVIATOR-STRESS; LIME-CONTENT; CEMENT-CONTENT; CURING-TIME; MULTIPLE-REGRESSION; T-TEST; SOIL-PLASTICITY; MINERALOGY-
摘要：	The effects of deviator stress, molding moisture content, stabilizer type and content, curing period, and soil type on the resilient modulus (M sub r) of lime- and cement-stabilized cohesive soils were investigated by using Hydrite R (kaolinite) and sodium bentonite (montmorillonite) blends. It was found that M sub r increases with decreasing deviator stress, increasing lime and cement content, and extended curing period. Moisture variations around optimum had little effect on M sub r with higher lime contents. Multiple regression analyses and Student's t-tests indicated that all the factors investigated were significant and could be related to M sub r by predictive regression equations. For a given stabilizer type and content, the low-plasticity clay (CL) soil produced the best results. The cement-stabilized CL soil normal cured for 28 days produced the highest M sub r value. However, cement stabilization was not found to be very effective for the high-plasticity clay (CH) soil. Mineralogical composition has a marked effect on the M sub r of lime and cement-stabilized cohesive soils. Kaolinitic CL soils work better than montmorillonite CH soils with both lime and cement.
总页数：	Transportation Research Record. 1997. (1589) pp70-75 (7 Tab., 11 Ref.)
报告类型：	科技报告