| 摘要: |
| 试验和分析表明，在较大的含水量变化范围内，非饱和黄土的粘聚力和含水量之间呈幂函数关系。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。 |
| 关键词: 非饱和黄土，强度曲面，临界含水量 |
| DOI： |
| 分类号:TU411.7 |
| 基金项目:水利部水利水电科学基金资助项目 |
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| Effect of Water Content on the Strength of Unsaturated Loess |
|
Dang Jinqian Li Jing
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| Abstract: |
| The study,based on measurement and analysis,shows that,in a fairly big water content change range,there is a power function relationship between water cotent and the cohesion force of unsaturated loess.According to the Coulomb-Mohr's strength law,the regulation of unsaturated loess anti-sheer strength with the change of external pressure and water content can be dipicted by using curved strength surface. So,the formula for computing the critical water content of unsaturated loess strength is put forward in this paper. |
| Key words: unsaturated loess,curved strength surface,critical water content |
