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Experimental and Numerical Analysis of Bridge Response due to Modular Combination Vehicle Systems

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Articulated vehicles composed of a tractor and a semi-trailer are dominant in international traffic within the EU. Also road trains can be obtained as an extended articulated vehicle by adding a trailer. A dolly carrying a semi-trailer may replace a road train in the same situation. The present paper investigates the dynamic amplification of a minor Danish highway bridge due to passage of such modular combination vehicle systems. A simulation model for a typical Danish highway bridge and the two different vehicles is established. The two different vehicles are a standard 48.8 ton articulated vehicle and a 60 ton vehicle consisting of a lorry and semi-trailer carried by a dolly. The dynamic parameters of the vehicles and the modal parameters of the bridge are estimated from measurements obtained for different passage situations of the two vehicles. Results show a good agreement between simulated and measured bridge acceleration response and dynamic amplification factors.
Original languageEnglish
Title of host publicationProceedings of the Eleventh International Conference on Sound and Vibration : International Conference on Sound and Vibration
Number of pages8
Publication year2004
Publication statusPublished - 2004
Externally publishedYes

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