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The pavement deflection under impact load is measured by acceleration sensor. Generally, the calibration parameters of this kind of acceleration sensor are sensitivity amplitude, frequency response characteristics, etc., so it is impossible to evaluate the accuracy and repeatability of sensor deformation measurement in specific engineering application scenarios. In this paper, a calibration method based on periodic vibration platform is proposed, which can effectively meet the technical requirements of evaluating the accuracy of deformation. It has a good reference value for the application scenarios of micro deformation measurement in the field of road engineering.
Inspec keywords: deformation; vibration measurement; roads; calibration; acceleration measurement; sensors
Subjects: Measurement of mechanical variables; Sensing devices and transducers; Velocity, acceleration and rotation measurement; Mechanical variables measurement; Measurement standards and calibration; Sensing and detecting devices; Velocity, acceleration and rotation measurement; Measurement standards and calibration