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Résumé:
Any intervention on a historical building should be made very carefully. In the case of a structural intervention, besides the general demands concerning the structural reliability (resistance and stability, serviceability, durability and maintenance), the rehabilitation process has to respond to some specific requirements regarding authenticity in accordance with the international and national regulation in terms. The study analyzes the methods of strengthening historic structures taking into account the degree of preserving structural authenticity. It pays a special attention to the masonry structures. Strengthening methods mostly listed in the author’s works illustrate the cases. The paper puts into discussion the cases and conditions of using correctly reinforced concrete as strengthening material for historic structures.
Keywords: historic structures, strengthening, masonry vaults, authenticity, compatibility