An Improved Approach of Classical Upper Bound Theory for Stability Analysis of Layered Slopes

Table 4

Slope parameters in layered slope (Example 2).

Slope number	Shape parameters		Soil parameters
		(°)	Unit weight (kN/m^3)	Cohesion c (kN/m^2)	Friction angle (°)
Soil 1	1/3	0	17.8	30	20
Soil 2	1/3	10	―	15	10
Soil 2	1/3	−10	―	30	20