摘要
在分凝势理论的基础上，建立了一套考虑温度、水分及冻土－未冻土－筋材体系应力变形诸因素耦合预测加筋土冻胀和筋材拉力的计算方法，并对一维冻结室内模拟试验进行了理论分析和数值计算。通过对加筋消减冻胀及其抗冻胀工作机制的分析，提出了加筋材料对土体施加的约束力，不仅减小了土体的冻胀速率，而且还使冻胀位移向未冻土区发展。
On the basis of the Segregation Potential Theory, a computation method has been presented to predict the frost heaving capacity of reinforced soils and the tension of reinforcing materials in the soils, in which temperature, moisture migration, stress and deformation of the soils and their interacts are considered Some tests of frost heaving of reinforced soils are simulated by using the method, and the computation results agree well with the measurements in the tests Based on the study on prevention of frost heaving of reinforced soils, the authors point out that the restraining pressure on soils produced by reinforcing materials not only reduces frost heaving displacement of soils but also forces frost heaving displacement toward the unfrocen soils so as to reduce frost heaving damage to the structure
出处
《冰川冻土》
CSCD
北大核心
1996年第4期297-305,共9页
Journal of Glaciology and Geocryology
