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Paradigmas da participação pública: uma análise da efetividade dos comitês de bacia do RS por meio da proposição de indicadores de desempenho
(Universidade Federal de Santa Maria, 2018-09-04)
The increase in environmental degradation, as well as its consequent control in the quality and quantity of water, leads to the search for efficient management, which aims at sustainable development. Increasingly, society ...
Redução de micropoluentes por sistema de tanque séptico e wetland construído vertical com recirculação
(Universidade Federal de Santa Maria, 2018-09-17)
Constructed wetlands are well-established systems known worldwide for the treatment of domestic effluents. In Brazil they are still little used, and in-depth studies are needed on the removal of carbonaceous and nitrogenous ...
Estudo da rigidez, da deformação permanente e da fadiga de misturas asfálticas com ligantes convencionais e modificados
(Universidade Federal de Santa Maria, 2018-11-22)
In Brazil, there are two most recurrent defects found on highways: permanent deformation and cracking due to fatigue. Among the most varied causes, the formation and propagation of cracks in the asphalt coating occurs as ...
Avaliação reológica do período de consolidação de argamassas colantes
(Universidade Federal de Santa Maria, 2017-11-27)
This work has presented an analysis of the consolidation process of dry set mortars, using the oscillatory rheometry technique as a method of approach. The method was applied to a set of mortar mixtures, whose proportions ...
Sistema de tanque séptico e wetland construído vertical com recirculação para remoção de matéria orgânica e nitrogênio de esgoto doméstico
(Universidade Federal de Santa Maria, 2018-05-11)
Vertical flow constructed wetlands (VFCW) are attractive systems for decentralized wastewater treatment, enabling the organic matter removal and nitrification. However, the denitrification is limited in these systems. An ...
Comportamento mecânico e influência da argamassa no modo de ruptura da alvenaria estrutural
(Universidade Federal de Santa Maria, 2016-11-24)
The literature indicates that mortar strength has little influence on concrete masonry strength, suggesting that the fresh state properties of the mortar are more relevant than the properties of the hardened mortar, and ...
Estimativa de chuvas intensas em locais sem dados no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2019-02-08)
The knowledge of the intense rainfall is important in the project of several engineering works, which normally, is defined from the intensity-duration-frequency relations (IDF), allowing to estimate in a simple way the ...
Estudo experimental e numérico de vigas curtas reforçadas com PRFC à força cortante
(Universidade Federal de Santa Maria, 2018-12-18)
Reinforcement systems with carbon fiber composites may be employed for restoring the strength of a structural member, or to strengthen a structure to resist increased loading due to changes in structure utilization. In ...
Ozônio flotação na colheita de microalgas cultivadas em efluente sanitário
(Universidade Federal de Santa Maria, 2018-09-04)
The lack of treatment of sanitary effluents causes several problems, both public health and environmental problems. And it can be reduced by using this sanitary effluent as a source of nutrients for microalgae growth. In ...
Avaliação da contaminação ambiental em um aterro sanitário de pequeno porte, sem utilização de geomembrana, na região noroeste do estado do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2019-05-29)
Landfills may lead to soil and water contamination (surface and groundwater) when improperly operated, especially if there is no geomembrane waterproofing system. Thus, this study aims to analyze changes in the sanitary ...