Experiment on thermodynamic parameters of soils under secondary freeze-thaw action

被引：0
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作者：
Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China [1 ]
不详 [2 ]
不详 [3 ]
机构：
来源：
Meitan Xuebao | 2008年 / 5卷 / 518-521期
关键词：
Crystallization - Freezing - Ice - Specific heat - Thermal conductivity - Thermodynamics - Water;
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摘要：
The characteristics of three kinds of soils from one Shanghai soft soil project in different state (original state, freeze-thaw state, secondary freeze-thaw) were tested in laboratory, and the results were analyzed. The change rules of soil thermodynamic characteristics were found: Compared with first freezing, freezing point, thermal conductivity, heat capacity, frost heave force and frost heave factor all decrease, whereas thaw settlement increases under secondary freeze-thaw action.
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