Author(s): Jovan Despotovic; Jasna Plavsic; Aleksandar Djukic; Branislav Babic; Ognjen Govedarica
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Abstract: The drainage or dewatering system for the bridges deck could also be as important for harvesting of rainfall runoff, as safety and conservative component of the whole bridge construction. The first task for a water system at a bridge is an immediate capturing and transport of collected rainfall water at the bridge deck since accumulation or ponding could be extremely dangerous accounting for slippery, or while freezing temperatures including snow and wind. Bridges, either steel or concrete, always are a complex, in regard to structure, transportation and protection of structure system, for water are designed, constructed and maintained upon a series of components designed with considerations for various compromises. In addition, certain structural and construction characteristics, aesthetic requirements, but also management efficiency of surface runoff are of concern. In modern times, an advanced treatment system for more or less polluted runoff, which incorporates alarm monitoring functionality, is typically included. Pipelines should be installed and securely anchored parallel to the edges of the structure, utilizing either steel or concrete materials, and oriented in vertical, horizontal, or lateral configurations. It is important to note that portions of the bridge structure experience movement due to temperature fluctuations and load conditions, affecting deflections, in the both vertical and horizontal planes. This movement can influence the slope of storm sewers over time, subsequently impacting flow capacity and contributing to significant temporary sedimentation in specific sections of the sewer system. Design experience of performing dozens of drainage systems for the bridges along the highways and bridges in Serbia and neighbouring countries, it was obvious that position and role of those vary a lot, accounting the banks of the rivers, brooks or valleys.
Year: 2026