A mathematical model of soil-water characteristic curve was derived.So the water content of unsaturated loess was computed under different temperature, densities and matrix suctions.

• 最后推导出了一个综合考虑温度、密度、基质吸力对含水率影响的非饱和黄土土水特征曲线拟合公式，可以用来直接计算不同温度、不同密度和不同基质吸力条件下的非饱和黄土的含水率。