ANALYSIS OF THE STRESS-STRAIN STATE FOR A TRAM COATING SLAB WITH DIFFERENT OPTIONS OF BRACING

Abstract

Problem statement. Before implementing the design solution in mass production, additional factors were investigated and analyzed in the work, such as the violation of the standard slab bracing. The purpose of the article − is to continue the research on the use of reinforced concrete slabs as the road surface at tram crossings and overpasses, to analyze the stress-strain state of the road slab used for the installation of ballastless RS tram crossings, in case the nature of its bracing changes. Results. The article analyzes the stress-strain state of tram reinforced concrete slabs used as a road surface on crossings, bridges and overpasses. The calculation for the existing road loads in accordance with the state building codes is conducted. Conclusions about the possibility of using this design solution in mass production were given. Conclusions. Having analyzed the stress-strain state of the structure, positive conclusions can be drawn about its operation capability. The coating slab takes the load from the rolling stock according to the normative documents and does not lose its serviceability. The movements and stresses occurring in the structure do not exceed critical values, which indicate its reliability and the possibility of further improvement before implementation in mass production.