Pavement friction measurements on nontangent sections of roadways, vol. 1
Abstract
A practical measurement technique for measuring wet-pavement friction for road sections other than the straight, level portions currently measured was developed. Measurements on nontangent sections can be conducted with an ASTM E-274 skid trailer when it accurately measures both the dynamic longitudinal and vertical forces on the test wheel during locked-wheel tests. The limit of performance of an E-274 system is approximately + or - 0.35 g lateral acceleration in the horizontal plane of the test trailer. Nontangent tests should not be attempted unless dynamic vertical forces are determined either by a load cell or translated from accelerations acting on the trailer.
- Publication:
-
NASA STI/Recon Technical Report N
- Pub Date:
- October 1983
- Bibcode:
- 1983STIN...8510227Z
- Keywords:
-
- Automobiles;
- Friction;
- Measuring Instruments;
- Meteorological Parameters;
- Pavements;
- Roads;
- Loads (Forces);
- Operating Costs;
- Performance Tests;
- Skidding;
- Surface Properties;
- Traffic;
- Velocity;
- Engineering (General)