Archive image from page 101 of Damage prog[r]ession on rubble-mound breakwaters. Damage prog[r]ession on rubble-mound breakwaters damageprogressio00melb Year: 1999 Underlayer Nondimensional Damage Parameters S = Ae/Dnso E = de/DnSO C â = dc/DnSO Figure Sketch of breakwater profile with definition of damage parameters In this study, eroded depth and eroded length are introduced to describe the shape of the eroded area. They are parameters of primary engineering interest, providing a description of extent of damage normal to and along the slope, respectively. The eroded depth is define
Archive image from page 101 of Damage prog[r]ession on rubble-mound breakwaters. Damage prog[r]ession on rubble-mound breakwaters damageprogressio00melb Year: 1999 Underlayer Nondimensional Damage Parameters S = Ae/Dnso E = de/DnSO C â = dc/DnSO Figure Sketch of breakwater profile with definition of damage parameters In this study, eroded depth and eroded length are introduced to describe the shape of the eroded area. They are parameters of primary engineering interest, providing a description of extent of damage normal to and along the slope, respectively. The eroded depth is defined as the maximum difference between undamaged and damaged profiles measured normal to the slope and is normalized as nSO The eroded depth is useful because it gives an indication of progress toward failure, particularly if failure is defined by exposure of the underlayer. The sum of eroded depth and cover depth is approximately equal to the initial cover layer thickness fâ f, = (£ + O Dâ,, () 84
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