The foundations of bridges on erodible beds are taken down below the HFL by an amount equal to _____________
A. 4/3 times the maximum scour depth
B. 2/3 times the maximum scour depth
C. 1.5 times the maximum scour depth
D. 2 times the maximum scour depth
Answer:A
The foundations of bridges on erodible beds are taken down below the HFL by an amount equal to _____________
A. 4/3 times the maximum scour depth B. 2/3 times the maximum scour depth C. 1.5 times the maximum scour depth D. 2 times the maximum scour depth