Figure 6. Three-dimensional model boundaries and wave gauge locations
The series of wave conditions selected as design storm conditions for stability
experiments are shown in Table 3. The total duration of the storm was approxi-
mately 17 hr prototype. Significant wave heights recorded at Gauge locations 4
through 10 during calibration also are shown in Table 3. The basic breakwater
configuration remained the same for Plans 1 through 1C, but the head portion of
the breakwater was raised from +5 m CD to +8 m CD for Plans 2 through 2D.
Therefore, representative wave heights for the two breakwater configurations are
given by Plan 1C and Plan 2B in Table 3. For all of the wave events conducted,
critical breaking waves were produced at or near some portion of the armor toe.
Experiment Procedures
Photographs were taken before each experiment was initiated without water
in the basin. Following before-test photographs, the basin was flooded to +1.8-m
CD and the structure was exposed to low-level waves, Tp = 13 sec, H's = 3.0 m,
9
Chapter 2 The Model
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