Abstract:The Brazilian federal highway system is largely made up of reinforced concrete (RC) bridges built prior to 1984. Thus, these bridges have incompatible geometry and loading carrying capacity with nowadays traffic. In this scenario, the goal of this investigation was the evaluation of the widening and strengthening procedures used in these RC bridges. The study also includes comparing their performance with the respective new bridges built next to them, which received new highway lanes. This comparison is adequa… Show more
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