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Friction Testing of Pavement Preservation Treatments: Temperature Corrections and Operator/Machine Variability

  • Author(s): Steven, Bruce;
  • et al.
Abstract

This technical memorandum describes work undertaken to establish an appropriate temperature correction equation for the British Pendulum Tester (BPT). The recommended correction equation was based on data collected in typical summer conditions in California and on previously constructed bituminous surfacings. The effects of different operators, instruments, levels of slider pad wear, and temperature were also studied in another experiment. No appreciable differences were found to be caused by the variables as long as the correct procedures were followed, the devices calibrated, and the surface temperature of the test pavement accounted for.

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