摘要
对细颗粒含量较高的高液限粉土进行室内掺砂改良试验。以塑性指数、CBR值、含水率、最大干密度、空气率、级配作为研究对象,依据不同比例的掺砂量试验结果,选取含水率、空气率作为施工控制指标;压实度、CBR值作为工程质量检测指标,通过分析不同掺砂量土样各参数指标的变化规律,确定经济合理的掺砂比以及施工质量评价指标体系。
The improvemenexperimencharacteristiof blending differenquantity of sand iresearched to fine particlehigh liquid limisilt. According to plasticity index, CBvalue, watecontent, the maximum dry densi- ty, airate and the grading of soil athe analysiparameters, by laboratory test, studying on projeccharacteristiof controlling indiceof the fluid plasticity index,foCBvalue, moisture content, degree of compaction. Physicnature and change rule of mixing sand improvemented high liquid limisilare analyzed and the optimum proportion of mixing sand are obtained.
出处
《科学技术与工程》
北大核心
2013年第33期10054-10058,10063,共6页
Science Technology and Engineering
关键词
高液限土
掺砂改良
配合比
high liquid limit silt mixing sand improvemented soil mix proportion
