摘要
三峡古滑坡的变形和长期稳定的控制性因素在于滑动带土的力学特性的强度损伤积累和时间效应。为了滑坡建模和稳定数值分析的需要,进行了泄滩滑坡体滑动带土的三轴排水蠕变试验研究,给出了排水条件下粘性土的Singh mitchell蠕变方程,其中应力-应变关系采用指数函数,应变-时间关系采用幂函数。该方程参数少,能够较好的拟合试验曲线。
The displacement and long term stablization of the old landslides in Three Gorges Area mainly depend on both the decreasing of strength and time effect of the mechanicl characteristics of sliding zone soils.For further numerical analysis,the drained triaxial creep tests have been carried out and the Singh mitchell creep function is given out,in which exponential function is adopted for shear stress strain behavior and power function for strain time behavior.Such function has only three parameters and suits to test results.
出处
《四川大学学报（工程科学版）》
EI
CAS
CSCD
2003年第5期93-95,共3页
Journal of Sichuan University (Engineering Science Edition)
