南水北调与水利科技2011，Vol.9Issue(4)：25-27,46,4.DOI:10.3724/SP.J.1201.2011.04025
石灰、水泥及砂改性膨胀土工程特性的试验研究
Experimental Study on Engineering Characteristics of Expansive Soils Modified with Lime, Cement and Sand
摘要
Abstract
The hazard preventing of expansive soil has been one of important issues in geotechnical engineering area,and mixing modifying materials with expansive soils is the important method improving engineering characteristics of expansive soiL In this study,an expansive soil,obtained from Jingzhou,Hubei Province,China,was mixed with lime,cement and sand respectively,and the laboratory tests were conducted to measure the physical property, the swelling-shrinkage property and sheer strength of the modified expansive soiL On the basis of the testing results,the optimum lime,cement and sand contents were determined. Eventually, the effects of lime, sand and cements on the swelling potential and strength of the expansive soil were compared. The results showed that lime and cement were better than sand in reducing the swelling potential and increasing the strength of the expansive soiL The testing results provide important references for the rational choose of modifying materials in engineering practice.关键词
膨胀土/石灰/砂/水泥/膨胀性/强度Key words
expansive soil/limeisand/cement/swelling potential/strength分类
土木建筑引用本文复制引用
李东森,夏熙临,陈丛丛,张俊峰,邹维列..石灰、水泥及砂改性膨胀土工程特性的试验研究[J].南水北调与水利科技,2011,9(4):25-27,46,4.基金项目
国家自然科学基金项目(50979080) （50979080）
国家大学生创新性实验计划项目(081048629) （081048629）
