16.8 Use Janbu's method to determine the factor of safety of the slope shown in Figure P16.8. Assume the soil above the groundwater level is saturated. Medium clay 3 m Su = 40 kPa 3 m O' = 25°. 57.5° Ysat = 18 kN/m3 S = 28 kPa $ = 20° 4 m Medium clay 5 m 55° Ysat = 18.5 kN/m³ 10 %3D 45 Firm base 14 m Stiff clay Su = 85 kPa P = 24° FIGURE P16.8

16.8 Use Janbu's method to determine the factor of safety of the slope shown in Figure P16.8. Assume the soil above the groundwater level is saturated. Medium clay 3 m Su = 40 kPa 3 m O' = 25°. 57.5° Ysat = 18 kN/m3 S = 28 kPa $ = 20° 4 m Medium clay 5 m 55° Ysat = 18.5 kN/m³ 10 %3D 45 Firm base 14 m Stiff clay Su = 85 kPa P = 24° FIGURE P16.8

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter13: Slope Stability

Section: Chapter Questions

Problem 13.5P

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solve the question provided in the image.

16.8 Use Janbu's method to determine the factor of safety
of the slope shown in Figure P16.8. Assume the soil
above the groundwater level is saturated.
Medium clay
3 m
ES = 40 kPa
%3D
o'o = 25°:
Ysat = 18 kN/m³
= 28 kPa
3 m
57.5°
Su
O = 20°
18.5 kN/m
4 m
ŠMedium clay
5 m
55°
Ysat
%3D
10
45°
Firm base
14 m
Stiff clay
Sy = 85 kPa
Os = 24°
FIGURE P16.8

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