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一、前言当土坝中存在着水平的软弱夹层时,此时若进行沿软弱夹层滑动的坝坡稳定分析,一般采用改良圆弧法。计算过程中,滑弧内土体的滑动力或抗滑力的求法,目前都是使用图解法,由于工作量大,不但耗时费力,还因作图误差影响计算精度。为了提高计算精度和加快计算速度,本文介绍一种使用 TI—59可编程序计算器求解滑动力和抗滑力的方法,在青狮潭水库土坝加固设计中编制和使用过这些程序。这些程序已录入磁卡,使用甚为方便。
I. INTRODUCTION When there is a horizontal weak interlayer in an earth dam, if the stability analysis of the slope along the weak slip is carried out, a modified arc method is generally adopted. In the process of calculation, the method of calculating the sliding force or anti-sliding force of the soil body in the arc-arc is currently used graphical method, due to the heavy workload, not only time-consuming, but also due to the impact of mapping error calculation accuracy. In order to improve the calculation precision and accelerate the calculation speed, this paper introduces a TI-59 programmable calculator for solving the sliding force and anti-sliding force of the method, in Qingshitan Reservoir dam reinforcement design and preparation of these procedures. These programs have been recorded in the magnetic card, very easy to use.