Constructing Smooth Hot Mix Asphalt (HMA) Pavements by M. Stroup-Gardiner

By M. Stroup-Gardiner

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Sample text

AS is the measured Mays value of the finished layer. COEF is a parameter relating the measured Mays value to the amount of incentive or disincentive in dollars. The values of COEF for the two specifications are shown in Tables 1 and 2, respectively. In both specifications, incentive/disincentive rates are determined based on the opportunities for leveling and road classes. An opportunity for leveling consists of each instance of the following: milling of existing surface, placement of a lift of AC and placement of a frictioncourse.

175 mm). Therefore, the RSEs will mark areas where the tolerance exceeds 1/8 in. 175 ram). A single RSE test was performed on each wheel path of the test sections. Also, ten repeated runs were planned for two test sections (one from the very smooth group and one from the relative rough group). However, these repeated runs provided inaccurate results because it was hard to isolate the trace of each run. High Speed Devices The high speed profilers included in this study were equipped with laser sensors and accelerometers.

Two NJ DOT RSEs were considered in this study. Both RSEs were calibrated prior of the testing on the same bench. The RSEs were calibrated following the standard NJ DOT procedure. The cut-off limit for the RSEs was set to 1/8 in. 175 mm). Therefore, the RSEs will mark areas where the tolerance exceeds 1/8 in. 175 ram). A single RSE test was performed on each wheel path of the test sections. Also, ten repeated runs were planned for two test sections (one from the very smooth group and one from the relative rough group).

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