Correct answer
A. 4W2D3n/d4N
Explanation
The correct answer is 4W2D3n/d4N.
If p1 and P2 are effective lateral loadings at the bottom and top exerted by a level earth subjected to a super-load on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is________?
The rational formula for peak drainage discharge, was evolved by________?
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