1.

If p‚ÇÅ and p‚ÇÇ 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#

A. [(p‚ÇÅ - p‚ÇÇ)/2] h
B. [(p‚ÇÅ + p‚ÇÇ)/4] h
C. [(p‚ÇÅ + p‚ÇÇ)/2] h
D. (p‚ÇÅ - p‚ÇÇ) ‚Öîh
Answer» D. (p‚Äö√á√Ö - p‚Äö√á√á) ‚Äö√ñ√Æh


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