In order to meet the requirement of quantity value traceability of compact asphalt mixture density tester,this paper proposes calibration schemes for temperature deviation,temperature uniformity,temperature fluctuation,weighing indication error and weighing repeatability by analyzing the structure of the tester according to relevant measurement technical specifications,thus determining the measurement standards and calibration methods required for calibration.The uncertainty of calibration results is evaluated.
关键词
压实沥青混合料密度/温度偏差/温度均匀度/温度波动度/称量示值误差/称量重复性/不确定度
Key words
density of compacted asphalt mixture/temperature deviation/temperature uniformity/temperature fluctu-ation/weighing indication error/weighing repeatability/uncertainty