WAVE FORCE AND STABILITY OF ARMOR UNITS FOR COMPOSITE BREAKWATERS

Katsutoshi Kimura, Yuzo Mizuno, Michifumi Hayashi

Abstract


The stability of armor units for composite breakwaters was studied by two- and three-dimensional model tests and prototype failure analyses. The wave force on armor blocks was cleared for different relative mound depths and berm widths. The stable weight of armor blocks is proposed in which the block shape factor is used as a parameter. The necessary thickness of foot-protection blocks is formulated as a function of the relative mound depth for the breakwater trunk and head.

Keywords


wave force; armor; armor stability; breakwater; composite breakwater

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