摘要
根据对低液限粉质路基土在不同击实功作用下所得击实试验数据的分析,论述"经济击实功"的存在,并对指导路基压实有现实意义。通过计算,分析击实功的提高引起上述有关物理指标的变化规律,强调饱和度在击实及压实中的重要意义。同时针对低液限粉性土击实试验,总结了低液限粉性土的击实特性,击实干密度与含水量、击实功的变化规律及相关关系,并通过试验数据得出了三者之间的回归方程。
According to analysis of low liquid silty soil compaction experiment data in the different compactive effort,the economical compactive effort is existence,which is of realistic meaning to guide road embankment compaction.By calculation,the regularity of variety of above-mentioned concerning physical index caused by the exaltation of compactive effort is analyzed,it is emphasized that saturation degree is important in hotting and compaction.And the compaction characters of low liquid silty soil,dry density,water content and compactive effort variety regularity are summarizd,the regression equation is educed based on test results.
出处
《公路》
北大核心
2010年第7期149-152,共4页
Highway
基金
国家大学生创新性实验计划
项目编号081075513
国家自然科学基金项目
项目编号50768010
新疆大学自然基金项目
项目编号xy080136
关键词
粉土
最大干密度
最佳含水量
经济击实功
饱和度
回归方程
maximum dry density
best moisture content
economical compactive effort
saturation degree
regression equation
