Abstract
<p>A 30 year old steel cable stayed bridge is being considered for transformation to carry light rail traffic vehicles. The time history of stresses during the crossing of the vehicles demonstrates that the fatigue resistance of the stiffening girders and stay cables does not constitute an issue for this bridge. However, during the process the fact has appeared that the bridge does not behave as a stay cable system, since the pylons are not separated from the stiffening girders and the system is not cable suspended. In addition, the stiffening girders show unbalanced characteristics due to older design assumptions regarding the effective width of the orthotropic plated deck, contributing to the lateral girder resistance. Concerning the plated deck, patch loading by rail vehicles is excessive for the stiffeners and the web plates of the floor beams, the transformation requiring the use of a concrete slab, connected to the steel structure.</p>
Publisher
International Association for Bridge and Structural Engineering (IABSE)
Cited by
3 articles.
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1. Experimental and theoretical investigation of shear lag effect in twin box‐shaped composite girders of long‐span cable‐stayed bridges;Structural Concrete;2024-05-09
2. Assessment and Repair of a historic brickwork covering of River Scheldt;IABSE Congress, Stockholm 2016: Challenges in Design and Construction of an Innovative and Sustainable Built Environment;2016
3. Load-carrying capacity of two 110 year old steel portal frame bridges;IABSE Congress, Stockholm 2016: Challenges in Design and Construction of an Innovative and Sustainable Built Environment;2016