Abstract
Traffic calming is the combination of mainly physical measures that reduce the negative effects of motor vehicle use, alter driver behaviour and improve conditions for non-motorized street users. Vibration measurements were performed by the authors of this paper near the roads with traffic calming devices. The measurements were taken throughout two seasons: in the winter and in the summer in order to evaluate the influence of soil freezing on traffic-induced vibrations. The only car measured was Fiat Doblo (weight 1,405 kg), and its driving speed when passing a speed bump or a speed table was controlled (20 km/h; 30 km/h; 40 km/h). The results show that the Peak Particle Acceleration (PPA) values were higher in the winter season compared with the summer. The vehicles passing over the speed tables induce lower PPA values than those passing over the speed bumps.
Highlights
Road transport-induced vibrations are a common concern in cities worldwide
The results show that vehicle driving at different speeds does not induce such an increase of Peak Particle Acceleration (PPA) values as it was noticed during the measurements near the speed bump, which means that when vehicle crosses a “smoother” traffic calming device, the impact force does not increase significantly when driving at different speeds
The PPA values near the speed bump were 10% higher than at the reference point, when the vehicle was driving at a speed of 20 km/h
Summary
Road transport-induced vibrations are a common concern in cities worldwide. House owners may complain about the annoyance and building damage. There is a concern about the possibility of negative effects of vibrations on historical buildings, especially if they are in poor condition. Vibrations may interfere with sensitive processes, such as those in hospitals, scientific research laboratories, and high-tech industries [1,2,3,4]. Traffic calming is a combination of mainly physical measures that reduce the negative effects of motor vehicle use, alter driver behaviour, and improve conditions for non-motorized street users [5]. Vertical Speed Control Measures are the vertical elevated segments of roadway that slow down the vehicle traffic. Typical vertical speed control measures include speed bumps, speed tables, raised sidewalks, and raised intersections [6,7,8]
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