http://hdl.handle.net/11624/170 2026-10-30T21:37:18Z http://hdl.handle.net/11624/4373 Title: Dimensionamento de leito de drenagem para tratamento de resíduos da estação de tratamento de água do município de Vera Cruz/RS. Authors: Behling, Vítor Hugo Pfeifer Abstract: The treatment of water for public supply generates Water Treatment Plant (WTP) sludge as a byproduct, an environmental liability classified as solid waste that requires proper final disposal to prevent the degradation of water bodies. In the municipality of Vera Cruz/RS, the expansion of the central Water Treatment Plant's (WTP) nominal capacity to 120 L/s has made the management of these residues a operational challenge for the protection of the Arroio Andréas and Rio Pardinho sub-basins. This study aims to size a drainage bed system for the treatment, dewatering, and drying of the sludge generated at the Vera Cruz WTP, aiming at compliance with environmental regulations and the operational viability of the system. The research is characterized as an applied and quantitative case study, structured upon the estimation of dry sludge mass production and the geometric determination of the drying system. The conceptual project proposes the physical retrofitting and waterproofing of two former earth pits operating in an alternating regime, sizing a total superficial filtration area of approximately 1,145 m², with an operational cycle of 20 days and a solids application rate of 15 kg/m². The project's main technological innovation is based on replacing the conventional sand bed with non-woven geotextile blankets acting as a filtering medium over the gravel layer. The geosynthetic configuration prevents the clogging phenomenon and facilitates the scraping of the dry sludge cake, enabling the recovery of up to 98% of the clarified free water with a retention rate of over 99% of suspended solids. Finally, the proposed sizing aims to ensure the unit's strict compliance with the National Solid Waste Policy (Law No. 12,305/2010) and National Environment Council (CONAMA) Resolution No. 430/2011, in addition to promoting water reuse and establishing a sustainable and low operational cost technical model. 2026-01-01T00:00:00Z http://hdl.handle.net/11624/4326 Title: Análise teórica e experimental da força cortante em lajes pré-moldadas em painéis treliçados. Authors: Alves, Bruna Luana Schuck 2026-01-01T00:00:00Z http://hdl.handle.net/11624/4246 Title: Estudo de caso : análise comparativa de modelos de dimensionamento de estacas curtas. Authors: Finkler, Leonardo Henrique 2025-01-01T00:00:00Z http://hdl.handle.net/11624/4218 Title: Análise comparativa do módulo de elasticidade estático e dinâmico do concreto estrutural. Authors: Gomes, Raquel Beatriz 2025-01-01T00:00:00Z