ABSTRACT
Extremely steep 45 0.785 1.000 100% 1.00 Reinforced design 50 0.873 1.192 119% 0.84 if a soil slope 55 0.960 1.428 143% 0.70 60 1.047 1.732 173% 0.58 63 1.107 2.000 200% 0.50 65 1.134 2.145 214% 0.47
Sub-vertical 70 1.22 2.75 275% 0.36 Wall design 75 1.31 3.73 373% 0.27 if a soil slope 76 1.33 4.0 400% 0.25 80 1.40 5.7 567% 0.18 85 1.48 11.4 1143% 0.09
Vertical 90 1.57 ∞ ∞ 0.00
◦ Typically soil slopes do not exceed very steep unless some reinforcement or wall is used.
