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Itens para a visualização no momento 21-30 of 69
Remoção de bactérias e genes de resistência a antibióticos em estações de tratamento de águas residuais urbanas
(Universidade Federal de Santa Maria, 2019-02-28)
The spread of antibiotics bacterial resistance is a subject of great concern for public and
environmental health, caused mainly by the indiscriminate use of antibiotics and the incorrect
discard of ...
Avaliação das propriedades mecânicas e microestrutura de concreto de ultra alto desempenho com adições minerais e resíduos industriais
(Universidade Federal de Santa Maria, 2020-01-07)
With the increase in the world population, civil construction is the largest consumer of
resources, with great environmental impact. One of the ways to reduce this impact is to
increase the mechanical strength of the ...
Previsão hidroambiental integrada do sistema hidrológico do Taim e lagoa Mirim – RS
(Universidade Federal de Santa Maria, 2019-11-07)
The Taim Wetland (BT), located in the extreme south of Brazil, in a region characterized by recurrence of conflicts over water use, which involve region's main economic activity, flood irrigated rice cultivation, and ...
Desempenho hidrológico de revestimentos de concreto de cimento Portland aplicados a pavimentos permeáveis
(Universidade Federal de Santa Maria, 2019-12-06)
The urbanization, associated with the population growth, is responsible for waterproofing surfaces, which increases inundation events frequency. To ease these problems, among other actions, come permeable pavements. This ...
Efeitos sinérgicos de adições minerais em concretos por empacotamento de partículas: resistência à compressão axial, microestrutura e absorção de água
(Universidade Federal de Santa Maria, 2019-10-10)
This research aims to study the physical, chemical and synergistic effects of lime filler (LF), fly ash (FA) and rice husk ash (RHA) addition in concretes dosed from particle packing theories. Both mixtures alone (binary ...
Avaliação da sustentabilidade de sistemas de vedação estrutural com e sem coprodutos da extração de pedra ametista
(Universidade Federal de Santa Maria, 2020-07-31)
The extraction of precious gemstones that for more than 30 years has transformed Ametista do
Sul region, in the northwest of the state of Rio Grande do Sul, into the world hub producer of
amethyst stone, has an environmental ...
Influência da ozonização na desidratação de lodo de estação de tratamento de água
(Universidade Federal de Santa Maria, 2020-01-29)
To treat water aiming human consumption various unit operations are required at the Water
Treatment Plants (WTPs), however, the potabilization of water leads to high waste generation.
Disposal of sludge in water bodies ...
Série hidrológica não estacionária e os riscos e incertezas nas tomadas de decisões no planejamento dos recursos hídricos
(Universidade Federal de Santa Maria, 2020-01-29)
Hydric planning aims to guarantee, in quantity and quality, the availability of water for current and future
generations. However, due to various environmental changes in land use, in addition to global climate
changes, ...
Estudo numérico do comportamento mecânico de paredes de alvenaria estrutural com cortes
(Universidade Federal de Santa Maria, 2021-02-13)
An unplanned chase made in structural masonry for the passage of pipes is a
common situation. These chases can compromise the cross section of the walls and
their strength capacity. The Brazilian standardization for ...
A influência da sucção na deformabilidade de subleitos rodoviários: efeitos da variação de umidade, método de compactação e gênese dos solos
(Universidade Federal de Santa Maria, 2020-12-04)
This thesis presents a study on the influence of suction on the resilient and plastic
characteristics of highway subgrade soils. The main focus was to evaluate the variation of
suction as a function of postcompaction ...