The paper describes a proposal for the redevelopment of the roof structure using FRP materials. During the design of the redevelopment, the experience of experiments with FRP materials that took place in the PAVUS a.s. laboratory in Veselí nad Lužnicí and laboratory of Faculty of Civil Engineering of the Czech Technical University in Prague was used. Initial experiments used for the later proposal of redeveloping supporting structures are also described and some are compared with the mathematical model of the ATENA software. The experiments in the PAVUS laboratory resulting in the adjustment of the anchoring length correspond to the required fire resistance. The result of the Faculty of Civil Engineering of the Czech Technical University in Prague laboratory experiment is the design of the optimal shape of the FRP shear reinforcements. In the article there are also photos from the implementation of the roof redevelopment.
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