Search Results - "Dal Molin, D. C"

Analysis of cubic and orthorhombic C3A hydration in presence of gypsum and lime by Kirchheim, A. P., Fernàndez-Altable, V., Monteiro, P. J. M., Dal Molin, D. C. C., Casanova, I.

“…Field emission scanning electron microscopy (FE-SEM) and X-ray diffraction (XRD) have been used to study the microstructural changes and phase development that…”
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Investigation of Mechanical Properties of Mass Concrete Affected by Alkali-Aggregate Reaction by Hasparyk, N. P, Monteiro, P. J, Dal Molin, D. C

“…The alkali-aggregate reaction (AAR) has been detected in the spillway driftway of the Furnas Hydroelectric Power Plant, Brazil, which was built in 1963. To…”
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Real-Time High-Resolution X-ray Imaging and Nuclear Magnetic Resonance Study of the Hydration of Pure and Na-Doped C3A in the Presence of Sulfates by Kirchheim, A. P, Dal Molin, D. C, Fischer, P, Emwas, Abdul-Hamid, Provis, J. L, Monteiro, P. J. M

“…This study details the differences in real-time hydration between pure tricalcium aluminate (cubic C3A or 3CaO·Al2O3) and Na-doped tricalcium aluminate…”
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Performance evaluation of plastic spacers: proposal and development of evaluation methods by Barreto, M. F. F. Menna, Maran, A. P., Dal Molin, D. C. C., Masuero, J. R.

“…ABSTRACT The durability of reinforced concrete structures is highly dependent on the characteristics of the concrete cover to reinforcement and its thickness…”
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Time for concrete casting: a new paradigm by Rohden, A. B., Dal Molin, D. C. C., Vieira, G. L.

“…The Brazilian standard NBR 7212 states that the time of transporting the concrete between the start of mixing should be less than 90 minutes so that by the end…”
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Assessment of cover to reinforcement in slabs using different spacer and tying distances by Maran, A. P., Barreto, M. F. F. Menna, Rohden, A. B., Molin, D. C. C. Dal, Masuero, J. R.

“…ABSTRACTGiven that the durability of structures is directly related to the thickness of the cover to reinforcement, it is essential to ensure minimum cover is…”
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Concreto usinado: análise da variação da resistência à compressão e de propriedades físicas ao longo da descarga do caminhão betoneira by Mascolo, R., Masuero, A. B., Dal Molin, D. C. C.

“…Visto a prática comum nos canteiros de obra da região de Porto Alegre, de coleta de amostras, para fins de ensaio e moldagem dos corpos-de-prova, logo da…”
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Structural characterization of alkali-silica reaction gel: An x-ray absorption fine structure study by Prado, R.J., Tiecher, F., Hasparyk, N.P., Molin, D.C.C. Dal

“…This paper sets out to acquire information on the atomic structure of the alkali-silica reaction gel by using the x-ray absorption fine structure (XAFS)…”
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O limite de tempo especificado pela NBR 7212, para mistura e transporte do concreto, pode ser ultrapassado? by Polesello, E., Rohden, A. B., Dal Molin, D. C. C., Masuero, A. B.

“…A norma NBR 7212, para execução de concreto dosado em central, estipula o tempo máximo para que o concreto seja descarregado (aplicado) completamente em 150…”
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Strength degradation of polymer concrete in acidic environments by Gorninski, J.P., Dal Molin, D.C., Kazmierczak, C.S.

“…This paper presents an assessment of the chemical resistance of eight different compositions of polymeric mortars using four different concentrations of…”
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Evaluation of service-life prediction model for reinforced concrete structures in chloride-laden environments by Silvestro, L., Andrade, J. J. O., Dal Molin, D. C. C.

“…Reinforced concrete structures are subjected to several degradation processes that often occur early, especially due to reinforcements corrosion. Therefore,…”
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Carbonation-induced reinforcement corrosion in silica fume concrete by Kulakowski, Marlova P., Pereira, Fernanda M., Molin, Denise C.C. Dal

“…This study presents the results of carbonation depth and carbonation-induced reinforcement corrosion in concrete samples with silica fume additions of up to…”
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Relação entre a resistência à compressão da argamassa com adição de sílica ativa aplicada ao substrato e àquela obtida em corpos-de-prova cilíndricos normatizados by Vaske, N. R., Campagnolo, J. L., Dal Molin, D. C. C.

“…No uso de argamassa com adição de sílica ativa como material de reforço adotam-se valores de resistência à compressão provenientes de ensaios normatizados, que…”
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A conceptual framework for service life prediction of reinforced concrete structures by Possan, E., Dal Molin, D. C. C., Andrade, J. J. O.

“…This paper presents a conceptual framework methodology concerning service life prediction of concrete structures by using deterministic or probabilistic…”
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Life cycle costs and impacts of massive slabs with varying concrete cover by Menna Barreto, M.F.F., Timm, J.F.G., Passuello, A., Dal Molin, D.C.C., Masuero, J.R.

“…Considering construction costs, predicted service life, and related environmental impacts, this paper evaluates the influence of varied concrete cover…”
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Considerations about the service life prediction of reinforced concrete structures inserted in chloride environments by Andrade, J. J. O., Possan, E., Dal Molin, D. C. C.

“…Nowadays an amount of reinforced concrete structures are presenting problems related with corrosion of reinforcement, mainly that induced by chloride ions. So,…”
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Modelagem da retração por secagem de concretos produzidos com agregados reciclados by Cabral, A. E. B., Schalch, V., Dal Molin, D. C. C., Ribeiro, J. L. D., Ravindrarajah, R. S.

“…A preocupação com a conservação dos recursos não renováveis tem levado o meio acadêmico a pesquisar sobre a utilização dos agregados reciclados na produção de…”
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Comparative assessment of isophtalic and orthophtalic polyester polymer concrete: Different costs, similar mechanical properties and durability by Gorninski, J.P., Dal Molin, D.C., Kazmierczak, C.S.

“…This study aims to investigate the effect of different concentrations of fly ash on the mechanical properties and durability of polymer concrete compounds…”
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Real-Time High-Resolution X-ray Imaging and Nuclear Magnetic Resonance Study of the Hydration of Pure and Na-Doped C 3 A in the Presence of Sulfates by Kirchheim, A. P., Dal Molin, D. C., Fischer, P., Emwas, Abdul-Hamid, Provis, J. L., Monteiro, P. J. M.

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Determinação da influência do tipo de agregado reciclado de resíduo de construção e demolição sobre o módulo de deformação de concretos produzidos com agregados reciclados by Cabral, A. E. B., Schalch, V., Dal molin, D. C. C., Ribeiro, J. L. D.

“…Com o intuito de contribuir no estudo de concretos produzidos com agregados reciclados, produziu-se um traço de referência (com agregados naturais) e outros 49…”
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