摘要
注意到土水特征曲线的迟滞环现象 ,根据对孔隙水形态不同则吸力效果不同的分析 ,提出了非饱和土新的有效应力公式 ,并对公式中的参数给出了求解方法。利用该公式可以较合理的解释土的湿陷和膨胀现象 。
Considering the hysteresis of water's retention curve,proposing a new formula of the effective stress in unsaturated soils based on the analysis that the effect of suction is different by the form of void water,providing a method to calculate the parameters in this formula. The formula can explain the collapse behavior and swelling behvior of unsaturated soils and can degenerate to the effective stress formula in saturated soils when the soil is saturated.
出处
《岩土工程技术》
2003年第1期1-4,共4页
Geotechnical Engineering Technique
关键词
非饱和土
有效应力
水土特征曲线
孔隙水
吸力
unsaturated soils
the effective stress
the water retention curve
suction
bulk water
meniscus water
