地质论评2009，Vol.55Issue(4)：598-605,8.
土体内在结构对热导率计算模型的影响研究
The Influences of the Soil Structure on the Calculation Model of Thermal Conductivity
摘要
Abstract
To get the suitable model of soil thermal conductivity, the SEM imagines of soils, which reflect the real soil structure could be digitized, and all the properties of components were given. Hence, the imagines could be analyzed and the effective thermal conductivity of soils could be given through thermal analysis. And it was found that the new method discussed in this paper is suitable for silty sand which is of large particles. The simulated results and the experimental results were compared. It was found that the thermal conductivity of soil decreases with porosity. The decrease rate of silty sand is maximum, and the decrease rate of silty clay is minimum.关键词
热导率/扫描电镜/土体结构/数字建模/孔隙率Key words
thermal conductivity/ SEM/ soil structure/ digital modeling/ porosity分类
天文与地球科学引用本文复制引用
肖琳,李晓昭,胡增辉,赵晓豹,赵高峰,陈立根..土体内在结构对热导率计算模型的影响研究[J].地质论评,2009,55(4):598-605,8.基金项目
本文为国家自然科学基金资助项目(编号 40802171)、江苏省自然科学基金资助项目(编号 BK2007145)、教育部首批"新世纪优秀人才"支持计划资助项目(编号 NCET-04-0454)的成果,国际科技合作项目(编号 2009DFA2680). （编号 40802171）
