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The research is aimed at solving the problem of traffic congestion during the underground repair work in cities. The goal is to develop and analyze a modular mobile overpass that ensures continuous traffic without bypassing repair areas. The stress-strain state of the spatial steel frame of the orthogonal overpass module was studied using analytical methods of structural mechanics - the displacement method and the force method. Critical forces are determined, relationships between bending moments and stiffness of elements are revealed, optimal parameters ensuring strength and stability of structure are determined. The results confirm the feasibility of the mobile overpass as an effective engineering solution to reduce the transport delays and environmental load, forming the basis for the design of next-generation mobile bridge systems.
Ganyukov et al. (Fri,) studied this question.