. Cost-effective optimization of rubble-mound breakwater cross sections. Breakwaters; Breakwaters. where A and B are empirical coefficients yielding runup trends very simi- lar to those proposed by Ahrens and McCartney (1975). Their regression showed similar trends and correlation, as indicated in Table 6 and Figure 13. Table 6 Runup Coefficients of Losada and Gimenez-Curto (1980) Armor Unit Riprap Quarrystone Quarrystone Tetrapods Dolosse Quadripods A Correlation Coefficient DC\I RELATI
. Cost-effective optimization of rubble-mound breakwater cross sections. Breakwaters; Breakwaters. where A and B are empirical coefficients yielding runup trends very simi- lar to those proposed by Ahrens and McCartney (1975). Their regression showed similar trends and correlation, as indicated in Table 6 and Figure 13. Table 6 Runup Coefficients of Losada and Gimenez-Curto (1980) Armor Unit Riprap Quarrystone Quarrystone Tetrapods Dolosse Quadripods A Correlation Coefficient DC\I RELATIVE RUNUP R/H = A [1 -eB?] | = tane/Al H/L RIP-RAP^. 12 3 4 5 6 SURF SIMILARITY PARAMETER, ^ Figure 13. Relative runup versus the surf parameter (after Losada and Gimenez-Curto 1980) 75. Irregular runup can be predicted, based on either of the above re- lations, by applying a Joint cpd for the sea state (Longuet-Higgins 1975 and Ochi 1980) to predict the runup of each wave as a function of its steepness H/L . This process applies the principle of equivalence, first proposed by Saville (1962), which assumes that the effects of each wave in an irregular 50. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smith, Orson P; U. S. Army Engineer Waterways Experiment Station; Coastal Engineering Research Center (U. S. ); United States. Army. Corps of Engineers. Vicksburg, Miss. : U. S. Army Engineer Waterways Experiment Station ; [Springfield, Va. : available from National Technical Information Service]
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