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Título : Hydraulic Analysis of Urban Drainage Systems with Conventional Solutions and Sustainable Technologies: Case Study in Quito, Ecuador
Autor : Paredes Méndez, Diego Fernando
Palabras clave : DRENAJE URBANO
INUNDACIONES PLUVIALES
SANEAMIENTO URBANO
Fecha de publicación : 2017
Editorial : Quito: CHI
Citación : Paredes Méndez, Diego Fernando (2017). Hydrulic Analysis of Urban Drainage Systems with Conventional Solutions and Sustainable Technologies: Case Study in Quito, Ecuador. Journal of Water Management Modeling 26 (C440), pp., 1-10.
Resumen : Urban drainage systems are essential infrastructure for any community. If water and sanitation companies do not have effective management practices this vital infrastructure not only provides a diminished level of service, but also requires that enormous expenditure be made to prevent a serious impact on human society. Conventional solutions have been implemented in Quito, Ecuador to address the adverse impacts of pluvial floods. These solutions are not optimal from technical, social or environmental aspects. The hydraulic performance of the sewer system in a pilot basin was analysed and compared in three different scenarios. First, using the configuration of the drainage network prior the year 2011; second, using the current configuration, which has structural measures that were built in 2012 to relieve excessive pluvial flows; and third, using an urban drainage model in which some sustainable technologies were implemented instead of the conventional methods. To make the assessment, the necessary data was collected, analysed and processed. Subsequently 1D and 2D models were used. Several hydraulic parameters were evaluated within the three scenarios: flood volume, surface runoff, pipe flows, flood water depths and velocities. The results of this research show the effectiveness of sustainable drainage system techniques (SUDS): flood volume was reduced by 60% with conventional measures, while SUDS decreased flood volume by 75%. Surface runoff decreased around 90%, and as a consequence of this, pipe flows diminished in some sewers by up to 50%. Finally, flooding areas have been reduced significantly. Thus sustainable technologies are more effective than conventional structures.
URI : http://www.dspace.uce.edu.ec/handle/25000/14215
ISSN : 2292-6062
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