Análise da viabilidade de trincheira de infiltração em parque de Aparecida de Goiânia

Abstract

The municipality of Aparecida de Goiânia, located in the metropolitan region of Goiânia, had a rapid urban expansion, with a population growth was more than 30%, for an interval of 11 years. At the same time, there was also an increase in constructions and soil modifications, which generate surface impermeability and consequently increase surface runoff. As this region has severe periods of drought and precipitation, this research sought to analyze the implementation of an infiltration trench in a location in the municipality of Aparecida de Goiânia, considering the survey of drainage actions and alternatives. In this way, the delimitation of an area affected by flooding was carried out to collect and analyze data from the region in geoprocessing software. With the use of four intensity-duration-frequency equations applied to the design by the rational and envelope curve method, the volume and dimensions of the trench were determined. Finally, the results obtained by the methodologies were compared. A considerable difference was observed between using one of the IDF analyzed and the generation of high values of volume and depth provided by pre-design with the envelope curve method.