| 摘要 |
PROBLEM TO BE SOLVED: To install a detector in an arbitrary posture at an arbitrary position of a measurement vehicle, to evaluate the reliability of a measurement result during measurement, and to measure both right and left sides of the measurement vehicle simultaneously.SOLUTION: A road surface property measuring device includes a vibration detector, a device which estimates vibration characteristics of a measurement vehicle, a device which estimates the installation posture of the vibration detector on the measurement vehicle, and a device which calculates road surface properties. When measurements are taken, an arbitrary vehicle is used as the measurement vehicle and the vibration detector is installed in an arbitrary posture at one arbitrary place of the measurement vehicle. When no measurement is taken, on the other hand, the whole measuring device or some of components of the measuring device can be detached from the measurement vehicle. Neither of vibration characteristics of the measurement vehicle nor the installation posture of the vibration detector on the measurement vehicle are input or set to the measuring device, the measurement vehicle is made to travel on a road whose road surface properties are to be measured, thereby measuring the road surface properties. |
