求解边坡可靠性功能函数的数学模型

A MATHEMATIC MODEL OF SLOPE RELIABILITYPERFORMANCE FUNCTION

针对传统的条分法在计算边坡稳定性过程中计算比较烦琐的缺陷,本文在传统条分法的基础上提出了采用积分的思想计算边坡工程中的滑动力和抗滑力的方法,在边坡表面方程比较简单时,能够极大的简化计算。同时本文在建立可靠性功能函数时,保留了传统的安全系数,使之和可靠性指标相互结合,以便取得更好的效果。

<Abstrcat>In view of the convolute defect exists in the course of calculating slope stability with traditional slice method, the author proposes a new method to calculate the slippery force and resist force of slope in this paper, which is based on the traditional slice method and the though of integration. When the slope surface equation is relatively simple, it can greatly simplify the calculation. At the same time this paper keeps the traditional concept of safety factor when setting up performance function, and makes it combine with the reliability index in order to get better results.