Buscar
Itens para a visualização no momento 91-100 of 443
Estudo de cortinas black-out como componentes no isolamento sonoro de fachadas
(Universidade Federal de Santa Maria, 2008-10-24)
Buildings which have high levels of sound pollution and facades that do not isolate
outside noise are often found in large cities. This situation affects people s sound comfort and
health. In connection with that, there ...
Estudo da viabilidade de adição de resíduo de pó de fumo à massa cerâmica
(Universidade Federal de Santa Maria, 2005-05-23)
This research comprehends the study of the viability of adding residues from the tobacco industry (tobacco dust) in the ceramics mass for the production of pottery. It aims the incorporation of this residue in the mixture ...
Estudo da viabilidade de produção do biodiesel obtido através do óleo de fritura usado na cidade de Santa Maria - RS
(Universidade Federal de Santa Maria, 2008-04-04)
The utilization of biodiesel has shown a promising potential in the whole world. Firstly, for it s enormous contribution to the environment, due the qualitative and quantitative reduction s levels of environmental pollution, ...
Estudo da utilização de cinza da casca do arroz residual em concretos estruturais: uma análise da durabilidade aos cloretos
(Universidade Federal de Santa Maria, 2008-03-27)
The use of residues, as the rice husk ash (RHA) in the concrete s production reduces the environmental impact caused in its productive chain. It means fewer energy s
consumption, fewer natural resources waste, less ...
Estudo da microestrutura da camada de cobrimento de concreto com altos teores de cinza volante
(Universidade Federal de Santa Maria, 2004-02-27)
The increase in the durability of the concrete structures causes greater useful life of the same ones, influencing directly in the improvement of the constructions and the quality of life of the inhabitants. So that a ...
Estudo da microestrutura do concreto com adição de cinza de casca de arroz residual sem beneficiamento
(Universidade Federal de Santa Maria, 2008-05-07)
The use of mineral adition in concrete is a widely studied theme for several researchers that looking for features
like: save cement for reducing costs, durability improvement to increase mechanical strenght and use ...
Estudo da minimização das perdas físicas em sistema de distribuição de água utilizando o modelo Epanet
(Universidade Federal de Santa Maria, 2005-02-24)
The control and the reduction of water losses in the world is a fundamental instrument for cultural change, which is necessary as a basic natural resource to life. The objective of this research is to study the minimization ...
Estudo da distribuição de poluentes em superfícies urbanas
(Universidade Federal de Santa Maria, 2009-02-27)
This paper aimed to quantify pollutants connected to sediments of different sizes in impermeable surfaces in three sampling campaigns. Dry sediments collections were
dane on Marquês do Herval ad Rigoberto Duarte streets, ...
Estudo da eficiência da duplicação de janelas na melhoria do isolamento acústico destes componentes
(Universidade Federal de Santa Maria, 2007-03-28)
The aim of this research is to evaluate sound insulation behavior of double windows, when a second window is placed upon a previous one, keeping an air layer between them. This was done through standard tests carried out ...
Estudo da carbonatação da camada de cobrimento de protótipos de concreto com altos teores de adições minerais e cal hidratada
(Universidade Federal de Santa Maria, 2008-02-01)
In this study deals the covercrete structural concrete layer with the use of hydrated lime in substitution in mass of the sand in ternary mixture of 70% of blast-furnace slag, 20%-fly ash and 10% of cement CPV-ARI (EVC) ...