Streets and Urban Roads Surface Runoff Problems: A Case Study in the Poltava City, Ukraine

Abstract

Natural and climatic factors have a significant influence on mobility, which depends on the operational condition and durability of the street-road network and its elements, one of the main ones being surface water. As a result of the conducted research, were summarized the principles of drainage from the street and road network, which differ for open, closed and combined drainage systems. The main disadvantages of Ukraine cities surface drainage were revealed using Poltava city example. The most common are low longitudinal slope (0–5‰), an error in the intersection vertical planning execution, clogging of drainage elements (drainage well, tray, pipes), the adjacent sites slope is less than the minimum permissible, insufficient storm sewer capacity, subsidence of the pavement, drainage well above the pavement mark (subsidence of the pavement), destruction of the pavement (roadway, around the drainage well), subsidence of the pavement transverse profile, destruction of the pavement. Recommendations for improving surface water drainage from cities street and road network have been formulated: strictly adhere to surface drainage principles, and in particular, during construction, perform the designed slopes, and it is desirable to accept slopes greater than the minimum slopes of 5‰; when performing vertical design and construction, pay more attention to intersections and areas adjacent to the carriageway; apply a waterproof coating, from which water flows into the drainage system, from which it is possible to use water for irrigation; arrange water collection strips along the side stone, comply with the requirements for network elements operation, etc.