Evaluation of Trapezoidal Shaped Grooves

tapered off. In figure 40, for run 3L, the average reading for the grooved areas was 0.60 mu; and in figure 41 (run 4L), the average was 0.63 mu. All data collected during the site visit was considered acceptable and in accordance with FAA AC 5320-12C. In total, 13 data collection runs were completed.

Figure 39. The MCAF Quantico Friction Run 4R—Light Rain, Wet Pavement

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