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介绍了运用激光平整度仪检测路面平整度的优点,探讨了不同速度及异常行驶状态(加速、减速)对国际平整度指数的影响程度。试验表明,国际平整度指数具有良好的重复性,在低速及异常行驶状态下测值偏大。结合试验结果,对在实际检测中如何采用激光平整度仪进行现场检测以保证数据的真实性提出了相关建议。
The advantages of using laser flatness tester to test the flatness of pavement are introduced, and the influence of different speeds and abnormal driving conditions (acceleration and deceleration) on the international flatness index is discussed. The test shows that the International Flatness Index has good repeatability, and the measured value is too high under low speed and abnormal driving conditions. Combined with the test results, this paper puts forward some suggestions on how to use the laser flatness meter to conduct on-site testing in the actual testing to ensure the authenticity of the data.