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Long span bridges are critical parts of a nation’s infrastructure network and congested traffic loading is the governing form of traffic loading. Groups of trucks travelling in conveys are created when fast-er moving vehicles, such as cars, change lane. In this research the authors investigate how the control of these lane-changing events can help reduce the traffic load effects on long span bridges. Real traffic data is used to simulate a traffic stream on a virtual road and bridge using a microsimulation model. Various lane-changing restrictions are examined and compared to the typical case of free lane changing. It is shown that restriction of lane changing is an effective means of reducing long-span bridge traffic load effect. This result may assist bridge owners in implementing measures to prolong the life of existing infrastructure.
Caprani, C., Carey, C. and Enright, B. (2012), 'Lane changing control to reduce traffic load effect on long-span bridges', In: F. Biondini, D.M. Frangopol, Eds, 6th International Conference on Bridge Maintenance, Safety and Management, Stresa, Italy. Taylor and Francis.