Evaluation of Trapezoidal Shaped Grooves

44

Details of ORD Grooving Effort (East)

44

45 Trapezoidal-Shaped and Standard Grooves Installed on Runway 10-28 at ORD

45

46

Rubber Contamination at ORD

47

47

Standard Groove Damage

48

48

Trapezoidal-Shaped Groove Damage

49

49

Comparative Damage to Grooves

49

50

The ORD Friction Run 10E10

51

51

The ORD Friction Run 10E15

51

52

The ORD Friction Run 10E20

51

53

The ORD Friction Run 28W10

52

54

The ORD Friction Run 28W15

52

55

The ORD Friction Run 28W20

52

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