CONTENTS 



FIGURES— Continued 



Page 

 6-1 Types of shock pressures on vertical -wall breakwaters 323 



6-2 Compression- and hammer-shock pressure curves 326 



6-3 Example of composite- type breakwater 327 



6-4 Examples of out-of-phase dainping types of floating breakwaters ....... 328 



6-5 Prototype breakwater, similar to the existing breakwater at San Pedro Bay, 



California 341 



6-6 Scale-effect tests; comparison of sections after stabilization 342 



6-7 Comparison of known breakwater damage with result of model stability tests . 343 



6-8 Scale effects of rubble-mound stability models 344 



6-9 Types of wave generators 349 



6-10 Pneumatic bore generator 353 



6-11 Rubble-mound breakwater section before wave attack 357 



6-12 Vertical-wall breakwater section constructed of wood; pressure-cell 



section constructed of steel 359 



6-13 Vertical -wall breakwater section constructed of wood, filled with stones, 



and with a molded concrete cap 360 



6-14 Model reproduction of a proposed floating breakwater 361 



6-15 Wave gage assembly 363 



6-16 Geometry of a wave-force balance 366 



6-17 Location map and details of proposed Burns Waterway Harbor, Indiana 371 



6-18 Elements of test section with tribar armor units randomly placed in Burns 



Waterway Harbor model • 373 



6-19 Elements of test section with limestone blocks uniformly placed in Bums 



Waterway Harbor model 374 



6-20 Elements of test section with limestone blocks randomly placed in Burns 



Waterway Harbor model 375 



6-21 Transmitted wave heights for breakwater section with tribars randomly 



placed in Bums Waterway Harbor model 379 



6-22 Transmitted wave heights for breakwater section with limestone blocks 



randomly placed in Bums Waterway Harbor model 380 



6-23 Location map, Monterey Harbor, California 382 



6-24 Breakwater, mole, and basin designations, Monterey Harbor model 383 



6-25 Layout of test flume and details of breakwater test section, breakwater 



stability and transmission tests, Monterey Harbor, California 384 



