2002•PROCEEDINGS OF CIVIL ENGINEERING IN THE OCEANOpen access
INFLUENCE OF SUBMERGED BREAKWATER HEAD ON DEFORMATION OF SUBMERGED BREAKWATER BODY
Susumu Araki, Toshihiro Miyazaki, Tetsuya Yanagihara, Hiroshi Niijima, Ichiro Deguchi
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Abstract
Deformation of submerged breakwater was examined by three-dimensional experiments to investigate theinfluence of the deformation of the head of submerged breakwater on the total damage of the breakwater. The erodedarea at the breakwater heads was larger than that at the breakwater trunk. The rubble stones moved from the upstreamhead of longshore current were accreted within one wave length from the end of the upstream head. Therefore, thereare two types of accretion at the leeside of the submerged breakawter depending on the ratio of the breakwater lengthto wave length. The difference in deformation between two-dimensional and three-dimensional experiments is large, especially at the upstream head of the breakwater.
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