According to the Coulomb-Mohr sstrength law,the regulation of unsaturated loess anti-sheer strength with the change ofexternal pressure and water content can be dipicted by using curved strength surface.
依据库伦-摩尔强度准则,非饱和黄土的抗剪强度随外部压力和含水量的变化规律可用强度曲面描述,提出了非饱和黄土强度的临界含水量计算式。