Page 55 - Design Considerations Based on Quantitative Risk Assessments for Slopes
P. 55

Quantitative Risk Assessment




               Frequency of Landslide




                  ▪ Ampang (Regional) Rainfall Threshold and IDF Curves



                           100.0
                                                                                                            Kejadian Maut
                                                                                                            Kejadian Tanah Runtuh
                                                                                                            Kedalaman Hujan 117 mm
                                                                                                            100
                                                                                                            50   Average Recurrence
                        Purata Keamatan (mm/jam)  10.0  y = 17.108x -0.561                                  5 2 1 0.50  (year)
                                                                                                            20
                                                                                                            10
                                                                                                                   Interval (ARI)





                                                                                                            0.25


                             1.0                R² = 0.297


                                                                    Landslide Frequency with 0.5 ARI

                                                                                                  Highland Towers



                             0.1
                                1                               10       Tempoh (jam)           100                            1000
   50   51   52   53   54   55   56   57   58   59   60