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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. | |