Find Factor of Saftey against sliding under a) static loads and b) seismic loads for both a circular slip surface and planar slip surface (water table is located at 5 ft above boundary of material 1 and 2) Given: Material 1: c'=100 psf o'=42 deg. y=123 pcf For the values of kh and a, see the attached page. 20 ft Material 2: c'=200 psf o'=18 deg. y=123 pcf 20 ft 5 ft 20 ft Material 2: Medium Dense Sand. Material 1: Overconsolidated Clay 5 ft 20 ft q=350 psf 10 ft