氯离子对粉煤灰混凝土表层渗透性的影响 - 中南大学学报（自然科学版、英文版） 关键字: 氯离子；表层渗水系数；粉煤灰；混凝土[gap=1969]Key words: chlorine ion; surface permeability coefficient; fly ash; concrete
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Strength, volumetric strain and permeability coefficient, and even moisture-distribution above ground water surface can be determined by the soil-water characteristic curve.
根据土水特征曲线可以确定非饱和土的强度、体应变和渗透系数，甚至可以确定地下水面以上水份分布。
If the infiltration intensity is less then the saturated permeability coefficient, the surface soil finally reaches to an unsaturated infiltration stage instead of saturated infiltration stage.
当降雨强度小于土体的饱和渗透系数时，表层土体达不到饱和状态，最终的稳定入渗只能达到一个非饱和入渗状态。
Research results showed as follows: magnetic energy can make the soil specific surface reduce, permeability coefficient and fast netrogen of soil increase;
研究结果表明，在磁场作用下，土壤比表面减小，渗透系数增加；
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