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The study delved into investigating the impact of body weight on the determination of vibration parameters, as outlined in the ISO 2631 standard, which elucidates the evaluation concept of Whole Body Vibration. First of all, the ride speed component, which significantly affects the amplitude of the vibration experienced in the vehicle, was determined. In this context, vibration data were recorded at three different points in the vehicle at 20, 30, 40, and 50 km/h ride speeds on a road section whose roughness can be considered homogeneous. Measurements were repeated with drivers weighing 58, 80, and 113 kg to determine the effect of driver weight on vibration parameters. The vibration parameters produced due to the analyses were evaluated with both parametric and non-parametric statistical methods. In the urban road network with bituminous hot mixture pavement, it has been determined that the most appropriate ride speed for passenger car-type vehicles to evaluate the service level of the pavement is 40 km/h. In the last stage, the differences between the averages of the measurements made with three different weight drivers at the determined ride speed were evaluated statistically. Through analysis of three distinct data recording points within the vehicle, it has been established that the driver's weight exerts no discernible influence on any of the vibration parameters.
Kırbaş et al. (Sun,) studied this question.