From: Experimental and numerical investigation into the local scour of bridge cofferdam with anti-scour ribs
Test
Anti-scour rib
L
G
Shapes
#1
-
#2
√
0.075B
0.5B
square
#3
0.125B
#4
0.175B
#5
0.25B
#6
0.75B
#7
L-shaped