南京地区土体热导率性质测试与分析
TEST AND ANALYSIS ON THERMAL CONDUCTIVITY OF SOILS IN NANJING,CHINA
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摘要: 通过对南京地区大量粘土和粉质粘土样品热导率值的测试,分析了土体热导率与其含水量、孔隙比的相关关系。对影响土体导热值的因素作了详细分析,提出了根据土体含水量、孔隙比值计算土体热导率的经验计算公式。Abstract: According to the test data of the thermal conductivity of large amounts of clay and silty clay samples in Nanjing,China,the relationships among the soil thermal conductivity and the moisture content and the void ratio are analyzed in this paper.Factors affecting the soil thermal conductivity are further analyzed.Finally,empirical formula is proposed for estimating the soil thermal conductivity from the soil moisture content and the soil void ratio.
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