Measurement of Truck Transport Vibration Levels in China as a Function of Road Conditions, Truck Speed and Load Level

Transport vibration levels in trucks were measured as a function of truck speed, road conditions and load level. The trucks consisted of one normally loaded truck and one overloaded truck with leaf-spring suspensions. Truck speeds were divided into three groups: 0–30 km/h, 31–60 km/h and 61–90 km/h. Traffic roads consisted of highways, arterial roads (ARs), secondary roads (SRs) and tertiary roads (TRs). The results revealed that transport vibration levels increased with truck speed; TRs contributed to the highest transport vibration levels, followed by SRs, ARs and highways. The power spectral density peaks were at 3 or 3.5 Hz. Overloading probably suppressed transport vibration levels especially at low speeds. Copyright © 2015 John Wiley & Sons, Ltd.

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