when ever a sloping face of river bank is protected by stone pitching against scour, the pitching is extended beyond the toe to the river side that is called__________________?
when ever a slog face of river bank is protected by stone pitching against scour, the pitching is extended beyond the toe to the river side that is called__________________?
A. Toe wall
B. Launching apron
C. Protective wall
D. Guide bank