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Comportamento mecânico de concretos asfálticos com diferentes granulometrias, ligantes e métodos de dosagem
(Universidade Federal de Santa Maria, 2016-06-01)
The degradation of the pavement has grown considerably due to the modification
of traffic characteristics. It was increased the volume of traffic, the transported load and
the tire inflation pressure, which added to the ...
Comportamento mecânico de material reciclado a frio com emulsão e cimento
(Universidade Federal de Santa Maria, 2016-08-22)
The recycled asphalt pavement (RAP) extracted from recovery distresses in highways does not receive the attention and importance it deserves in Brazil. The reuse of this material, which presents as good properties as the ...
Qualidade de vida no trabalho e Síndrome de Burnout em profissionais públicos e privados de Santa Cruz do Sul/RS
(Universidade Federal de Santa Maria, 2014-04-23)
Considering that work represents the main goal in people lives, the Quality of Work Life (QWL) and occupational health become relevant when work market is instable and insecure (COHEN, 2003). Regarding this, the biopsychosocial ...
Análise comparativa entre o conversor BUCK e o conversor ressonante LLC em drivers de leds visando aspectos industriais
(Universidade Federal de Santa Maria, 2019-08-30)
This paper presents a quantitative design analysis, performance prediction and practical testing of buck and half-bridge LLC resonant converters as a solution for a power control stage in the realization of a 180 W driver ...
Tempo de concentração e parâmetros da metodologia da curva número: uma avaliação para bacias brasileiras
(Universidade Federal de Santa Maria, 2019-08-05)
Among the available models for design flows estimation, the Curve-Number (CN)
method in conjunction with the Triangular Unit Hydrograph Method (HUT) is
highlighted. These are widely used methods, but there are also ...
Síntese e caracterização de biopolímeros funcionalizados com APTES (3–aminopropiltrietoxisilano) para a adsorção de corante amarelo crepúsculo
(Universidade Federal de Santa Maria, 2019-08-05)
The biopolymers chitin (CTN) and chitosan (CTS) were functionalized with APTES (3–aminopropyltriethoxysilane) in order to enhance its adsorption potential for sunset yellow dye (SYD). The functionalization was evaluated ...
Avaliação do ciclo de vida das etapas de construção e operação de sistemas de manejo de dejetos suínos
(Universidade Federal de Santa Maria, 2018-02-28)
The intensified swine production in Brazil brings the need to evaluate, develop and apply alternative management technologies that minimize negative impacts to the environment. Thus, the main objective of this study was ...
O efeito dos aditivos incorporador de ar e estabilizador de hidratação nas propriedades das argamassas estabilizadas
(Universidade Federal de Santa Maria, 2019-12-13)
entraining admixtures (AEA) and hydration stabilizing admixtures (HSA) modify the
properties of mortar. The main effect of an AEA is increased workability, while an HSA
extends the setting time. However, the full effects ...
Preparação de biochar a partir de matérias–primas alternativas e sua aplicação na adsorção de corantes
(Universidade Federal de Santa Maria, 2019-10-25)
Contamination of natural waters has been one of the great problems of modern society. The
textile and food sectors stands out especially due to the large amounts of effluents discharged
into the water bodies. Thus, ...
Metodologias não convencionais na extração de compostos bioativos de casca de bergamota
(Universidade Federal de Santa Maria, 2019-11-08)
Citrus fruits, produced in large quantities in Rio Grande do Sul, have been highlighted by the high
content of bioactive compounds they present. These components can be extracted from the residues
generated ...