CONTENTS 



FIGURES-Continued 



Page 

 9 The 2, 500-pound- load cell used to measure forward mooring 



forces 21 



10 Front anchor-pulley system used to moore FTB and measure 



mooring loads 21 



11 Original anchor-pulley system used at the beginning of the 



study 22 



12 Typical wave and force records for a 3-second wave period. ... 24 



13 Typical wave and force records for a 4-second wave period. ... 25 



14 Typical wave and force record for an 8-second wave period. ... 26 



15 Transmission coefficient for an eight-module structure in 



4 meters of water 28 



16 Transmission coefficient for a 12-module structure in 4 meters 



of water 29 



17 Transmission coefficient for a 12-module structure in 2 meters 



of water 30 



18 Design curve for predicting the transmission coefficient 



knowing the W/L ratio 31 



19 Peak mooring load per meter length of breakwater for an 



eight-module FTB in 4 meters of water 33 



20 Average mooring load per meter length of breakwater for an 



eight-module FTB in 4 meters of water 34 



21 Peak mooring load per meter length of breakwater for a 



12-module FTB in 4 meters of water 35 



22 Average mooring load per meter length of breakwater for a 



12-module FTB in 4 meters of water 36 



23 Peak mooring load per meter length of breakwater for a 



12-module FTB in 2 meters of water 37 



24 Average mooring load per meter length of breakwater for a 



12-module FTB in 2 meters of water 38 



25 Design curve for predicting peak forces per meter length of 



breakwater for a given incident wave height 39 



26 Design curve for predicting average forces per meter length 



of breakwater for a given incident wave 40 



