In a cantilever retaining wall without a heel slab

In a cantilever retaining wall without a heel slab

(A) Thickness of the stem is kept same throughout

(B) Base slab is made 10 cm thicker than the stem

(C) Width of the base slab is kept 0.7 time the total height of the wall

(D) All the above

The correct Answer Is
(D) All the above