ABSTRACT
Hannah (1978) identified four scouring process (reinforcing, sheltering, vortex shedding and compression of horseshoe vortices) which occur around two piers having their line of centres at an angle 45° to the approach flow.
Hannah (1978) identified four scouring process (reinforcing, sheltering, vortex shedding and compression of horseshoe vortices) which occur around two piers having their line of centres at an angle 45° to the approach flow.