Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19921
Title: Dynamic load on continuous multi-lane bridge deck from moving vehicles
Authors: Zhu, XQ
Law, SS
Issue Date: 2002
Source: Journal of sound and vibration, 2002, v. 251, no. 4, p. 697-716
Abstract: The dynamic loading on a multi-lane continuous bridge deck due to vehicles moving on top at a constant velocity is investigated. The bridge is modelled as a multi-span continuous orthotropic rectangular plate with line rigid intermediate supports. The vehicle is simulated as a two-axle three-dimensional vehicle model with seven degrees of freedom according to the H20-44 vehicle design loading (AASHTO LRFD Bridge Design Specifications 1998 American Association of State Highway and Transportation Officials [1]). The dynamic behavior of the bridge deck under single and several vehicles moving in different lanes is analyzed using the orthotropic plate theory and modal superposition technique. The dynamic loading is studied in terms of the dynamic impact factor of the bridge deck. The impact factor is found varying in an opposite trend as the dynamic responses for the different loading cases under study.
Publisher: Academic Press
Journal: Journal of sound and vibration 
ISSN: 0022-460X
EISSN: 1095-8568
DOI: 10.1006/jsvi.2001.3996
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