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California Friction Testing At MnROADs (CA-342) How Things Work November 12, 2008.

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Presentation on theme: "California Friction Testing At MnROADs (CA-342) How Things Work November 12, 2008."— Presentation transcript:

1 California Friction Testing At MnROADs (CA-342) How Things Work November 12, 2008

2 CA342 Friction Testing

3 CA-342 Equipment Operation Smooth Tire 6 mm Offset Above Pavement Distance Measuring Scale Slide Stand Springs Release

4 Shipping and Crating

5 Calibration of the Equipment Glycerin Container WD 40 Serrated Edge Calibration Plate Mounting Plate Environmental Trays Power Cable

6 MnROADs Test Locations Seven Friction Tests Conducted at Each Location (0, 5, 15, 30, 45, 90, 0 degrees) Three Locations Tested within Each Cell MnROADs Cells Tested Cell 7 NGCS Cell 8 CDG Cell 9 NGCS Lite Cell 10 RTT Cell 13 Astro Turf Cell 15 AC

7 Operation of Test Device for Determining Effect of Test Angle on Friction Value 0 5 153045

8 Testing at 90 Degrees

9 Placing Glycerin on Wheel and Pavement

10 Friction as a Function of Test Angle

11 Questions?

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