Author(s): Tae Hoon Yoon; Daehong Kim
Linked Author(s):
Keywords:
Abstract: Experimental studies were conducted in clear water conditions to investigate the functioning of a sack gabion as a scour countermeasure at bridge piers. For different sizes of fill material of the sack gabion no difference was observed in the initial movement of the gabion. Significant factors on the dislodging of the sack gabions are approach flow depth and velocity, pier width, and thickness and length of sack gabion. It is observeded that stability is increased in collective body of riprap stones than placement of individual riprap stone. The experimental results were used to derive formulas sizing gabions for scour protection at bridge piers.
Year: 1999