1.

Back fill with a sloping surface exerts a total active pressure P a on the wall of height H and acts at

A. H/ 4 above the base parallel to base
B. H/ 2 above the base parallel to base
C. H/ 3 above the base parallel to base
D. H/ 5 above the base parallel to base.
Answer» D. H/ 5 above the base parallel to base.


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