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California Friction Testing At MnROADs (CA-342) How Things Work November 12, 2008
CA342 Friction Testing
CA-342 Equipment Operation Smooth Tire 6 mm Offset Above Pavement Distance Measuring Scale Slide Stand Springs Release
Shipping and Crating
Calibration of the Equipment Glycerin Container WD 40 Serrated Edge Calibration Plate Mounting Plate Environmental Trays Power Cable
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
Operation of Test Device for Determining Effect of Test Angle on Friction Value 0 5 153045
Testing at 90 Degrees
Placing Glycerin on Wheel and Pavement
Friction as a Function of Test Angle
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