SYMPOSIA PAPER Published: 01 January 1962
STP44404S

The Minimization of Variables in Equipment and Techniques for Performing Skid Trailer Tests

Source

A development program to improve equipment and field-testing techniques where skid trailers are involved has included revisions of the Tennessee trailer and changes in testing procedures.

This paper discusses (1) a reliable technique for measuring the pavementtire forces during skidding of a trailer test wheel, (2) equipment for controlling the quantity of water at the pavement-tire interface and for recording test vehicle speed, and (3) a procedure for evaluating tires so that test tires of different composition may be interchanged. Tire pressure is shown not to be important, whereas tire hardness materially influences measured coefficient. A procedure for recording longitudinal position of the test trailer is well suited for the torque type force-measuring system and is useful for long-term studies involving periodic measurements of friction on the same roadway surface.

Author Information

Goodwin, W, A
Tennessee Highway Research Program, University of Tennessee, Knoxville, Tenn.
Whitehurst, E, A
Tennessee Highway Research Program, University of Tennessee, Knoxville, Tenn.
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Details
Developed by Committee: E17
Pages: 29–41
DOI: 10.1520/STP44404S
ISBN-EB: 978-0-8031-5973-0
ISBN-13: 978-0-8031-6127-6