S-Curve Rubble Mound Breakwater
2021
The aim of this study is to examine the relationship between the wave steepness (Hi/L) with a stable profile slope of small size stone rubble mound breakwaters. The results of the study are expected to solve the difficulty of getting a big size crushed stone as a required based on Hudson method. Laboratory physical model study under 1:20 geometric scale was performed. The results showed that the initial sloping breakwater was changed into the S Curve shape profile and achieve a stable condition on the profile equation of y = −ax3 −bx + c, where a, b and c are the factors which are functions of dHi/L2. Factor c is a relative depth (d’/d). The Equations obtained can be used in the planning and designing of S-Curve rubble mound breakwater with relatively small grain size of rocks.
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