Abstract
The time of failure of a slope is forecasted using the basic equation regarding the time process in tertiary creep. First, the equation to forecast the time of slide (tr) is derived. This equation is the same type as Saito's equation with respect to exp (at). Here, a is the constant, and t is time. Then, if the value of coefficient a is assumed, the time of failure (tr) can be forecasted using time (t) with respect to three equal intervals Δl in continuous displacement (l). This method of slide forecasting is called the a-tr method and slide forecasting is made for some field v-t data. The error for this method is not much better than Saito's graphical analysis.
