Abstract
In the work the problem of local reinforcement of columns belonging to existing reinforced concrete (RC) buildings by means of steel angles and batten plates is examined. Initially, a sophisticated numerical FEM model has been calibrated through the calculation code ABAQUS on the basis of a laboratory experimental test on a RC column reinforced with the aforementioned metallic elements and subjected to both vertical loads and earthquakes actions. Subsequently, an extensive parametric analysis on the above reinforced columns has been conducted by varying the main geometric parameters characterising the reinforcement system, such as the angle height and the width and thickness of batten plates. Numerous configurations of reinforced columns have been inspected by means of static non-linear analyses, always conducted with the ABAQUS program, in order to identify a series of optimal reinforcement solutions capable of combining the best structural performances with the lowest possible cost. Finally, the selected optimal configurations have been compared to each other by performing cyclic analysis to identify the reinforcement system providing the best seismic response in terms of dissipated energy.
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Formisano, A. (2021). Local Reinforcing of RC Columns by Steelwork: A Parametric Study. In: Delgado, J.M.P.Q. (eds) Durability of Concrete Structures. Building Pathology and Rehabilitation, vol 16. Springer, Cham. https://doi.org/10.1007/978-3-030-62825-3_2
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