| 气封闭情况下的非饱和土实用强度试验研究 |
| |
| 引用本文： | 高贵全,杨松.气封闭情况下的非饱和土实用强度试验研究[J].中国农村水利水电,2009,0(12):135-137. |
| |
| 作者姓名： | 高贵全 杨松 |
| |
| 作者单位： | 1. 云南农业大学水利水电与建筑学院,昆明,650201
2. 河海大学岩土工程科学研究所,南京,210098 |
| |
| 摘 要： | 考虑吸力的非饱和土研究较为精确，但吸力量测起来比较困难。以饱和度作为参数的非饱和土实用化研究更有利于工程的实际应用。根据非饱和土的分类，用饱和度作参数法对不同类型的非饱和土分别进行研究，将提高饱和度方法的精确性。本文针对气封闭情况下的非饱和土，对两种不同类型的土进行不固结不排水剪切试验，发现不同的土样表现出了相同的性质，即粘聚力和内摩擦角随饱和度的变化并没有呈现出相应的规律性，它们的变化主要是由于土的结构性所引起的，并从细观的角度进行分析，验证了试验结果。
|
| 关 键 词： | 非饱和土 高饱和度 微观模型 抗剪强度 |
| 收稿时间： | 2009-02-18 |
| 修稿时间： | 2009-05-11 |
The practical shear strength research of unsaturated soils under the state of continuous water with discontinuous air |
| |
| GAO Gui-quan
,
YANG song.The practical shear strength research of unsaturated soils under the state of continuous water with discontinuous air[J].China Rural Water and Hydropower,2009,0(12):135-137. |
| |
| Authors: | GAO Gui-quan YANG song |
| |
| Abstract: | It is precise for unsaturated soil study to use suction as parameter, however, that brings much difficulty. Using saturation as a parameter in unsaturated soil research is much convenient in practical application. According to the classification of unsaturated soil, the method of saturation will improve the precision of unsaturated soil research. The paper armed at unsaturated soils under the state of continuous water with discontinuous air，unconsolidated undrained tests were carried out on two different soil specimens. Different specimens had put up different characters, that is, cohesive strength and internal friction angle will not change with different saturation states, the changes of them are caused by soil structure. Micro-analysis of unsaturated soil also proved test results. |
| |
| Keywords: | |
| 本文献已被 万方数据 等数据库收录！ |
| 点击此处可从《中国农村水利水电》浏览原始摘要信息 |
| 点击此处可从《中国农村水利水电》下载免费的PDF全文 |
|
