Dolos Breakwater Design Improvements

by Tianzhong Fang, Civ. Engr.; The Bureau of Capital Construction, Ministry of Communications, The People's Republic of China,

Serial Information: Journal of the Waterway, Port, Coastal and Ocean Division, 1982, Vol. 108, Issue 4, Pg. 554-568

Document Type: Journal Paper


There are two different failure modes in Dolos breakwaters: (1) Loss of stability; and (2) overstress. Bending tensile stress in armor units increases with design wave height, and a linear relation has been established for this phenomenon. A wave wall or adjacent vertical wall causes an increase in wave force and damage. Consequences due to settlement and consolidation should be considered in deep water breakwater design. The potential benefit of reinforcement of concrete armor units is proposed.

Subject Headings: Concrete blocks | Breakwaters | Armor units | Walls | Wave forces | Reinforced concrete | Failure modes | Failure analysis

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