Influência do telhado verde nos parâmetros de escoamento

Due to the population increase observed in the last decades, the majority of the cities underwent a disorganized and badly planned growth. With this growth there was a considerable increase in the waterproofing rate of the soil. As the drainage model of the cities is mostly the hygienist, which prov...

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Autor principal: Souza, Gustavo Arai Barbosa de
Formato: Trabalho de Conclusão de Curso (Graduação)
Idioma: Português
Publicado em: Universidade Tecnológica Federal do Paraná 2021
Assuntos:
Acesso em linha: http://repositorio.utfpr.edu.br/jspui/handle/1/24879
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Resumo: Due to the population increase observed in the last decades, the majority of the cities underwent a disorganized and badly planned growth. With this growth there was a considerable increase in the waterproofing rate of the soil. As the drainage model of the cities is mostly the hygienist, which provides for the removal of excess rainfall as quickly as possible, there is an overload in the drainage system, and then downstream, causing flooding and damage to the public and private. To solve this problem, methods are sought to increase soil permeability, retain or store precipitation in order to decrease peak flows and minimize havoc. In this sense, this work aimed to compare the use of the intensive green roof system with the waterproof slab system. For that, two benches were constructed to simulate the roofs and a rain simulator was also built, which flow was defined by the limitation of the equipment. The differences in flow rates were verified for each of the roofs over the duration of the test. With this, it was possible to observe that the green roof is able to mitigate the problem of flooding, because, even for a greater precipitation than the real one, with a small simulation model for the roof and with moist soil, the green roof presented a retention of the water drainage regime from 1.5 to 2.5 minutes higher than the waterproof slab model and the adopted green roof model had a mean storage of 15.45%.