CONTENTS 



FIGURES— Continued 



Page 



162 Effect of relative breakwater width, -L/W, and incident wave steepness, H^/L.,, on 



wave height attenuation for the Wave Trap membrane-type floating breakwater concept 222 



163 Mooring line force versus wave steepness for. Wave Trap membrane-type floating breakwater 



concept , 223 



164 Physical characteristics of Wave Blanket concept of membrane-type floating breakwater 224 



165 Schematic diagram of Wave Blanket concept in test facility for attenuation and mooring 



load studies 224 



166 Effect of relative breakwater width, L/W, and various thicknesses and widths of blanket 



on wave height attenuation by Wave Blanket concept of membrane-type floating breakwater... 225 



167 Mooring line force versus wave steepness for Wave Blanket concept of membrane-type 



floating breakwater 226 



168 Effect of relative water depth, L/d, and incident wave steepness, H/L, on 



transmission coefficients, C t , for a woven fabric of plastic fibers 227 



169 Effect of relative water depth, L/d, and incident wave steepness H/L, on transmission 



coefficients, C t , for thin impervious sheets of plastic or polyethylene 228 



170 Effect of relative water depth, L/d, and incident wave steepness, H/L, on 



transmission coefficients, C t , for sponge blankets of various thicknesses 299 



171 Effect of relative water depth, L/d, and incident wave steepness, H/L, on transmission 



coefficients, C t , for a corrugated blanket of woven plastic fabric 230 



172 Experimental facilities for investigating flexible water-filled bags used as 



floating breakwaters 232 



173 Effect of relative breakwater width, L/W, and bag length on wave height attenuation of 



water-filled, bag-type floating breakwater 233 



174 Effect of relative water depth, L/d, and incident wave steepness, H/L, on transmission 



coefficients, C t , of water-filled, cylindrical bag floating breakwater 234 



175 Effect of relative water depth, L/d, and incident wave steepness, H/L, on transmission 



coefficients, C t , of water-filled bag floating breakwater 235 



176 Mooring line force versus wave steepness for water-filled, cylindrical bag floating 



breakwater 236 



177 Three-dimensional laboratory tests of the effect of relative breakwater width, L/W, and 



mattress mooring angle on transmission coefficients, C t , for water-filled, mattress- 

 type floating breakwater 237 



178 Effect of relative water depth, L/d, and incident wave steepness, H/L, on transmission 



coefficients, C t , for water-filled bag floating breakwater 239 



179 Seabreaker floating breakwater 240 



180 Prototype Seabreaker floating breakwater 241 



181 Scale model of Harris floating breakwater 242 



182 Mooring arrangement of the Harris floating breakwater field test 243 



183 Incident and transmitted wave spectrum of Harris floating breakwater 243 



184 Performance characteristics of Harris floating breakwater 244 



185 Effects of windspeed and tidal current on Harris floating breakwater 245 



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