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Predicting Vehicle Loads Variation with Road Profiles and Vehicle Characteristic

Abstract— Determination of the dynamic response of continuous road pavements made of asphalt (or concrete to moving dynamic loads is very important in pavement design as it helps engineers to predict road damage. This paper reveals the characteristic of the dynamic wheel loads pattern produced by the various road surface profiles, vehicle speed, suspension types. Road Profiles were generated based on the theory by Rabson and also Hardy and Cebon. As a result, the response of the vehicle subjected to the road profiles level of roughness is significant. The Dynamic load coefficient of the forces from travelling vehicles on the roads with higher International Roughness Index value result is higher as been expected. The value of the standard deviation indicated that the amplitude of vibration from an axle fitted with steel suspension is bigger than other suspension type. Higher International roughness index value was increased the axle loading and it is worse for steel suspension rather than air suspension.

Index Terms— dynamic wheel loads, q-truck model, road profile, international roughness index

Rosnawati Buhari, Munzilah Md Rohani, Basil David Danial
Smart Driving Research Centre, Faculty of Civil and Environmental Engineering, Universiti Tun Hussien Onn Malaysia, MALAYSIA
Saifullizam Puteh
Faculty of Technical and Vocational Education, Universiti Tun Hussien Onn Malaysia, MALAYSIA

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Cite: Rosnawati Buhari, Saifullizam Puteh, Munzilah Md Rohani, Basil David Danial, "Predicting Vehicle Loads Variation with Road Profiles and Vehicle Characteristic," Proceedings of 2016 6th International Workshop on Computer Science and Engineering, pp. 470-476, Tokyo, 17-19 June, 2016.