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Title: Hydraulic performance of tandem breakwater with concrete cubes as armour units
Authors: Manu
Shirlal, K.G.
Rao, S.
Bharadwaj, P.
Issue Date: 2009
Citation: Journal of the Institution of Engineers (India): Civil Engineering Division, 2009, Vol.90, NOVEMBER, pp.7-12
Abstract: Tandem breakwater system consists of a conventional breakwater protected by a seaward submerged reef. The paper discusses physical model study on the hydraulic performance of an isolated as well as tandem breakwater system subjected to varying wave climate and water depths, while keeping a constant crest width of submerged reef. The breakwater in both the cases are armoured with concrete cubes and the submerged reef is constructed with natural stones. It is found that the isolated breakwater is damaged for all waves except those of period 2.5 s. While a submerged reef of crest width (B) 0.40m placed at a seaward spacing(X) of 2.5m transmits only 52% to 81% of the incident wave height and thereby reduces the wave force on the main structure which inturn protects the inner main breakwater completely without causing any damage.
Appears in Collections:1. Journal Articles

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