Abstract
Based on a previous risk calculation study conducted along a road corridor, risk is recalculated using a stochastic simulation by introducing variability into most of the parameters in the risk equation. This leads to an exceedance curve comparable to those of catastrophe models. This approach introduces uncertainty into the risk calculation in a simple way, and it can be used for poorly documented cases to compensate for a lack of data. This approach tends to minimize risk or question risk calculations.
Highlights
Paolo FrattiniSeveral authors have used power-laws to assess hazards as functions of the volume or area of instability [1,2,3,4] or risk [5]
By carrying out 106 simulations for one year with a number of annual rockfalls distributed according to Figure 3, we obtain an average frequency of 0.059 events per year, i.e., one event every 16.8 years (Table 3)
Discussion and Conclusions fatal accidents observed on Highway 99 between 1960 and 1996 was 12 years and 8 years
Summary
Several authors have used power-laws to assess hazards as functions of the volume or area of instability [1,2,3,4] or risk [5]. Volumes are often used as quantifications of the magnitudes of landslides. The frequency of failure of a volume greater than a given volume. Vol [3] for a given region and several observations N0 during a period ∆t is given by Received: 31 December 2020. Publisher’s Note: MDPI stays neutral λ(v ≥ Vol ) =. With regard to jurisdictional claims in published maps and institutional affiliations.
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