Abstract
The paper presents the results of numerical simulation of the constructed spatial model of the reinforced concrete overpass № 11a of PAT "MK ”Azovstal" in Mariupol. The model is based on inspection of a overpass and its preliminary design using BIM technologies, that allowed further study and analyze the stress-strain state, strength, and stability of its elements and the structure as a whole. The numerical investigation of the strength and rigidity of the spatial model of the overpass is used for further decision-making on the selection of design options for subsequent reconstruction of the object, that significantly accelerating future design work. The results of creating a comprehensive numerical spatial model of reconstruction of the overpass using the computational suite LIRA are provided. An analysis of the stress-strain state, strength, and stability of the structure was conducted, and optimal design solutions for the reconstruction of the overpass were proposed. Conclusions were made regarding further project development for reconstruction.
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