Investigation of vehicle-bridge interaction for trains with equidistant wheelsets using 2D multi-body models
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Due to the increasing number of high-speed lines and the development of high-speed trains, the dynamic design of bridges as well as vehicle-bridge interaction are becoming more and more important. Considering vehicle-bridge interaction in the dynamic analysis of railway bridges usually results in a reduction of the resonant response when compared to the response computed for a simple moving load model. Following an investigation of the interaction effects for conventional and articulated trains, this study investigates trains with equidistant wheelsets. This work is particularly relevant in view of the development of the new ICE-L with equidistant wheelsets. Multiple constellations of two train types with equidistant wheelsets are analyzed by calculating the structural responses of about 100 single-span bridges with spans ranging from 5 m to 55 m and investigating the interaction effects.
