摘要
含水率的变化是引起膨胀土路基产生胀缩变形的重要因素。文章通过非稳态渗流有限元模拟降雨和蒸发作用下膨胀土路基中的渗流场,分析土工膜的防渗效果以及防渗深度对于路基中含水率分布的影响。
The change of water content is one of the main reasons which cause the shrink-swell deformation of expansive soil subgrade.The seepage field is modeled by transient FEM under the condition of rainfall and sunlight,which will show the effect of anti-infiltration of geomembrane and the influence of the depth on the distribution of water content of expansive soil subgrade.
出处
《西部交通科技》
2008年第5期13-16,共4页
Western China Communications Science & Technology
关键词
道路工程
渗流
有限元
含水率
Pavement engineering
Seepage
Finite element method
Water content
