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California Friction Testing At MnROADs (CA-342)

California Friction Testing At MnROADs (CA-342). How Things Work November 12, 2008. CA342 Friction Testing. CA-342 Equipment Operation. Slide. Release. Distance Measuring Scale. Springs. Smooth Tire. Stand. 6 mm Offset Above Pavement. Shipping and Crating.

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California Friction Testing At MnROADs (CA-342)

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

  2. CA342 Friction Testing

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

  4. Shipping and Crating

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

  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 15 30 45

  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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