A retaining wall 6m high supports a backfill with a surcharge angle of 10¬¨‚àû. The back of the wall is inclined to the vertical at a positive batter angle of 5¬¨‚àû. If the angle of wall friction is 7¬¨‚àû, then the resultant active earth pressure will act at a distance of 2 m above the base and inclined to the horizontal at an angle of$

A retaining wall 6m high supports a backfill with a surcharge angle of

1.	A retaining wall 6m high supports a backfill with a surcharge angle of 10¬¨‚àû. The back of the wall is inclined to the vertical at a positive batter angle of 5¬¨‚àû. If the angle of wall friction is 7¬¨‚àû, then the resultant active earth pressure will act at a distance of 2 m above the base and inclined to the horizontal at an angle of$
A.	7¬¨‚àû
B.	10¬¨‚àû
C.	12¬¨‚àû
D.	17¬¨‚àû
Answer» D. 17¬¨‚àû