Mirchuk I. Improvement of the method of designing the pavement of increased durability on reinforced concrete road bridges

This thesis is aimed at solving an urgent issue of transport infrastructure, namely, increasing the durability of pavement on reinforced concrete road bridges by improving the structural layers of the pavement by providing for the use of rubber crumb. On the basis of technical and economic calculations, the feasibility of using rubber crumb as a modifying agent for bitumen binder was confirmed. Thus, when constructing road pavements using rubber crumb, their service life increases from 1.5 to 2 times, which in turn reduces the cost of performing routine repairs and maintenance. In addition, the use of rubber crumb for pavement on reinforced concrete road bridges can partially solve environmental issues in terms of recycling rubber tires, while providing increased durability of the pavement. The results of the research were implemented in the development of the Album of typical structures of bridge pavement for the conditions of Kyiv, as well as in the development of recommendations for the overhaul, reconstruction and current repair of the road surface, in particular, the installation of a waterproofing layer on reinforced concrete road bridges in Kyiv. Kyiv (Southern Bridge over the Dnipro River, Northern Bridge over the Dnipro River, overpass at the intersection of Polyana Street and Bohatyrska Street, overpass at the intersection of Degtyarivska Street and Oleksandr Dovzhenko Street, overpass at the intersection of Mykhailo Boichuk Street with the railway at Kyiv-Demiivskyi Station).