» « « ♦ EXAMPLE EXECUTION OF PROGRAM BWCOMP ♦ ♦ ♦ » 



TABLE OF COMPARATIVE BREAKWATER QUANTITIES AND COSTS 



SEAWARD SLOPE =1:3 LEEWARD SLOPE = 1 : 1.5 WATER DEPTH = 19 FT 



INCIDENT WAVE : SIG HEIGHT = 15 FT PEAK PERIOD = 12 SEC 



(DEPTH LIMITED WAVE HEIGHT = 14.3331 FT) 



INCIDENT WAVE (FOR TRANSMISSION COMPUTATIONS): 



SIG. HEIGHT = 12 FT PEAK PERIOD = 10 SEC 



MAX TRANSMITTED WAVE HEIGHT = 2 FT( 1 7. EXCEEDANCE) 



RELATIVE VALUES PER UNIT TRUNK LENGTH 



ARMOR UNIT 



SIZE 



CREST 



CREST 



NO. ARMOR 



ARMOR 



CORE 



ARMOR 



CORE 



TOTAL 







HEIGHT 



WIDTH 



UNITS 



VOL 



VOL 



COST 



COST 



COST 





TONS 



FT 



FT 





CY 



CY 



($) 



(*) 



(*) 



ROCK, UNIF 



10.3 



15.0 



14.8 



S.l 



59.1 



55.8 



4147 



102 



4249 



ROCK, GRAD 



9.4 



17.0 



14.3 



9.1 



60.6 



66.4 



3828 



121 



3949 



CUBE 



8.8 



15.0 



16.6 



8.8 



38.4 



49.9 



3074 



91 



3165 



MOD. CUBE 



4.7 



13.0 



13.0 



10.9 



25.6 



76.2 



2428 



139 



2566 



TETRAPOD 



4.4 



12.0 



12.0 



9.8 



21.4 



51.3 



2136 



93 



2229 



QUADRIPOD 



4.4 



11.0 



10.9 



8.8 



19.1 



49.9 



1908 



91 



1998 



HEXAPOD 



3.8 



12.0 



12.7 



12.6 



24.1 



49.4 



2407 



90 



2497 



TRIBAR 



3.4 



15.0 



10.8 



11.5 



19.4 



68.8 



1942 



125 



2068 



TOSKANE 



2.8 



14.0 



10.2 



13.3 



18.5 



65.4 



1941 



119 



2060 



DOLOS 



2. 1 



14.0 



8.4 



13.6 



13. B 



69.9 



1586 



127 



1713 



NOTES: 1. CREST HEIGHT IS ABOVE STILL WATER LEVEL 



2. ARMOR VOLUME FOR ROCK IS THE TOTAL CROSS-SECTION VOLUME 



3. ARMOR VOLUME FOR ARTIFICIAL UNITS IS THE CONCRETE VOLUME 



♦ « » « « EXAMPLE EXECUTION OF PROGRAM BWCOMP # « ♦ ♦ ♦ 



TABLE OF COMPARATIVE BREAKWATER QUANTITIES AND COSTS 



SEAWARD SLOPE =1:2 LEEWARD SLOPE =1:2 WATER DEPTH = 19 FT 



INCIDENT WAVE : SIG HEIGHT = 15 FT PEAK PERIOD = 12 SEC 



(DEPTH LIMITED WAVE HEIGHT = 14.3331 FT) 



INCIDENT WAVE (FOR TRANSMISSION COMPUTATIONS): 



SIG. HEIGHT = 12 FT PEAK PERIOD = 10 SEC 



MAX TRANSMITTED WAVE HEIGHT = 2 FT( 1 '/. EXCEEDANCE) 



RELATIVE VALUES PER UNIT TRUNK LENGTH 



ARMOR UNIT 



SIZE 



CREST 



CREST 



NO. ARMOR 



ARMOR 



CORE 



ARMOR 



CORE 



TOTAL 







HEIGHT 



WIDTH 



UNITS 



VOL 



VOL 



COST 



COST 



COST 





TONS 



FT 



FT 





CY 



CY 



(*) 



(*) 



it) 



ROCK, UNIF 



15.5 



20.0 



16.9 



6.2 



68.6 



68.4 



4817 



124 



4941 



ROCK, GRAD 



14.0 



24 







16.3 



7.3 



73.5 



89.5 



4643 



163 



4806 



CUBE 



13.2 



20 







19.0 



6.8 



44.7 



61.7 



3576 



112 



3688 



MOD. CUBE 



7. 1 



17 







14.8 



8.2 



29.0 



88.0 



2754 



160 



2914 



TETRAPOD 



6.6 



15 







13.7 



7.2 



23.5 



56.0 



2353 



102 



2455 



QUADRIPOD 



6.6 



16 







12.5 



6.9 



22.4 



63. 1 



2244 



115 



2359 



HEXAPOD 



5.8 



16 







14.5 



9.6 



27.4 



58. 1 



2739 



106 



2844 



TRIBAR 



5. 1 



IB 







12.4 



8.4 



21.2 



73.4 



2123 



134 



2257 



TOSKANE 



4.2 



18 







11.7 



10.0 



20.8 



74.8 



2189 



136 



2325 



DOLOS 



3.1 



18 







9.6 



10.2 



15.5 



79.5 



1786 



145 



1930 



NOTES: 1. CREST HEIGHT IS ABOVE STILL WATER LEVEL 



2. ARMOR VOLUME FOR ROCK IS THE TOTAL CROSS-SECTION VOLUME 



3. ARMOR VOLUME FOR ARTIFICIAL UNITS IS THE CONCRETE VOLUME 



B9 



