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Durabilidade de argamassas submetidas ao ataque de sulfatos : efeito da adição da nanosílica
(Universidade Federal de São Carlos, 2018-03-28)
Durability is one of the characteristics to be considered in design and projects of concrete structures as it is related to the useful life of buildings. Among the aggressive agents most damaging to the concrete are sulfate ...
Modelagem numérica do comportamento estrutural de vigas mistas de aço e concreto protendidas
(Universidade Federal de São Carlos, 2018-06-15)
The structural behavior of the prestressed steel concrete composite beams was investigated using the Finite Element Method. The present study reports two types of composite beams: steel beams and concrete slab with joint ...
Análise de laje alveolar protendida moldada por fôrma fixa e usando placas de poliestireno expandido - Estudo teórico e experimental
(Universidade Federal de São Carlos, 2018-06-18)
The use of prestressed hollow core slabs has increased significantly and, consequently various productive methods have emerged. These methods do not employ machinery such as extruders or slip former machine. In this research, ...
Estudo sobre aderência entre barras de aço e concreto autoadensável com baixo consumo de cimento
(Universidade Federal de São Carlos, 2018-03-02)
Cement consumption at global level increases gradually, so too grows the environmental degradation that the construction generates. In this scenario, the search for rationalization of materials becomes important. Self-compacting ...
Produção de concretos autoadensáveis com baixo consumo de cimento e sua influência na aderência aço-concreto
(Universidade Federal de São Carlos, 2018-10-25)
Self-compacting concrete (SCC) must simultaneously exhibit high fluidity, cohesion and absence of segregation. However, the maintenance of these properties in the fresh state requires a greater consumption of binders and ...
Estudo de viabilidade econômica com concepção de projeto de usina de reciclagem de RCC Classe A para municípios de pequeno porte
(Universidade Federal de São Carlos, 2018-08-29)
The construction industry is the main generator of waste in the economy. The CW can account for up to 70% of total urban solid waste produced (SINDUSCON, 2015), resulting in a concern for the waste of materials extracted ...
Estudo experimental dos mecanismos resistentes de juntas com chave de cisalhamento em ligações pilar-viga
(Universidade Federal de São Carlos, 2018-03-06)
In this dissetation exploratory models are used to examine the behavior of semi - rigid pillar - beam connections with shear key. This type of connection is ordinary in Brazil prefabricated concrete structures. Thus, the ...
Proposta para a minimização da demanda de energia no horário de ponta por sistemas de geração fotovoltaico
(Universidade Federal de São Carlos, 2018-04-04)
The potential shortage of natural resources, the increased demand for energy and the environmental impacts caused by the use of polluting energy sources have generated constant discussions and uncertainties about the world's ...
Estudo sobre a viabilidade técnica da utilização de estribos verticais para o aumento da resistência à força cortante em lajes formadas por vigotas treliçadas
(Universidade Federal de São Carlos, 2018-10-22)
The present work carried out a theoretical-experimental study of a transverse reinforcement arrangement for slabs with lattice-reinforced joists. The objective of the research was to investigate both its structural behavior ...
Estudo da continuidade de elementos pré-moldados com emendas por luvas grauteadas
(Universidade Federal de São Carlos, 2018-03-07)
The aim of this paper was the validation of the monolithic equivalence applied to precast columns with grouted splice sleeve connections, wherein spliced precast prototypes have been compared with continuous monolithic ...