Search Results - "Delvasto, S."

Comparative and semi-quantitative XRD analysis of Friedel’s salt originating from pozzolan and Portland cement by Talero, R., Trusilewicz, L., Delgado, A., Pedrajas, C., Lannegrand, R., Rahhal, V., Mejía, R., Delvasto, S., Ramírez, F.A.

“…► Pozzolanic activity of pozzolans in sodium chloride solution. ► Friedel’s salt originated from two origins: Al 2 O 3 r - of pozzolans and C 3A of PC. ►…”
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Effects of natural weathering on microstructure and mineral composition of cementitious roofing tiles reinforced with fique fibre by Tonoli, G.H.D., Santos, S.F., Savastano, H., Delvasto, S., Mejía de Gutiérrez, R., Lopez de Murphy, M. del M.

“…The objective of the present work was to evaluate the effects of 14years of weathering exposition on the microstructure and mineral composition of cementitious…”
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Effect of pozzolans on the performance of fiber-reinforced mortars by de Gutiérrez, R.M., Díaz, L.N., Delvasto, S.

“…Randomly oriented short fibers have been shown to increase tensile strength and retard crack propagation of cement based materials such as fiber-reinforced…”
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An appropriate vacuum technology for manufacture of corrugated fique fiber reinforced cementitious sheets by Delvasto, S., Toro, E.F., Perdomo, F., de Gutiérrez, R. Mejía

“…This paper reports the experiences of making Portland cement based corrugated roof sheets with the reinforcement of a Colombian natural fiber, named fique. The…”
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The use of a volcanic material as filler in self-compacting concrete production for lower strength applications by Burgos, D., Guzmán, A., Hossain, K. M.A., Delvasto, S.

“…This study evaluates the use of large amounts of fine powders (fillers) derived from a Colombian volcanic material into the production of self-compacting…”
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Different ageing conditions on cementitious roofing tiles reinforced with alternative vegetable and synthetic fibres by Teixeira, R. S., Tonoli, G. H. D., Santos, S. F., Savastano, H., Protásio, T. P., Toro, E. F., Maldonado, J., Lahr, F. A. R., Delvasto, S.

“…This paper discusses the effects of different ageing conditions on the mechanical and physical characteristics of cementitious roofing tiles reinforced with…”
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Activation of the Snail transcription factor induces Mdm2 gene expression by Mabry, Alexander R., Gorman, James, Delvasto, Juan S., Lavik, Andrew R., Layer, Justin H., Mayo, Lindsey D.

“…Epithelial-like tumor cells can become metastatic by undergoing molecular and phenotypic reprogramming in a process referred to as epithelial-to-mesenchymal…”
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Pozzolanic evaluation of the sugar cane leaf by Guzman, A, Gutierrez, C, Amigo, V, Mejia De Gutierrez, R, Delvasto, S

“…This paper presents the results of the evaluation of the sugarcane leaf, burnt under controlled conditions in order to obtain a reactive ash with pozzolanic…”
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Alkaline cement mortars. Chemical resistance to sulfate and seawater attack by Puertas, F, De Gutierrez, R., Fernandez-Jimenez, A, Delvasto, S, Maldonado, J

“…The durability and chemical resistance of alkali activated slag and fly ash/slag mortars in contact with sulfates and seawater media have been studied. Two…”
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Mechanical behaviour of steel fibre-reinforced alkali activated slag concrete by Bernal, S, De Gutierrez, R Mejia, Rodriguez, E, Delyasto, S, Puertas, F

“…This study addressed the mechanical behaviour of a steel fibre-reinforced alternative concrete made from water-glass (Na2SiO3.nH2O + NaOH)- activated Colombian…”
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Valoración puzolánica de la hoja de la caña de azúcar by GUZMAN, A, GUTIERREZ, C, AMIGO, V, MEJIA DE GUTIERREZ, R, DELVASTO, S

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Performance of an alkali-activated slag concrete reinforced with steel fibers by Bernal, Susan, De Gutierrez, Ruby, Delvasto, Silvio, Rodriguez, Erich

“…This study investigated mechanical and permeability properties at early ages of an alkali-activated slag concrete (AASC) reinforced with steel fibers. The…”
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Comportamiento mecánico de hormigones de escoria activada alcalinamente reforzados con fibras de acero by BERNAI, S, MENA DE GUTIERREZ, R, RODRIGUEZ, E, DELVASTO, S, PUERTAS, F

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Performance of refractory aluminosilicate particle/fiber-reinforced geopolymer composites by Bernal, Susan A., Bejarano, Julian, Garzón, Cristhian, Mejía de Gutiérrez, Ruby, Delvasto, Silvio, Rodríguez, Erich D.

“…This study assesses the mechanical performance of metakaolin-based geopolymers reinforced with refractory aluminosilicate particles and fibers, after exposure…”
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Sugar cane bagasse fibres reinforced cement composites: Thermal considerations by Onésippe, Cristel, Passe-Coutrin, Nady, Toro, Fernando, Delvasto, Silvio, Bilba, Ketty, Arsène, Marie-Ange

“…This paper examines the thermal properties of cement composites reinforced with vegetable bagasse fibres (1.5% and 3% wrtc). Thermal properties have been…”
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A new pozzolan for high performance cementitious materials by De Gutierrez, R M, Delvasto, S, Morales, R T

“…This paper presents results on the physical and chemical properties of metakaolinite, MK which is prepared by dehydroxylation of high quality kaolinite. The…”
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Valoración puzolánica de la hoja de la caña de azúcar by Guzmán, A., Gutiérrez, C., Amigó, V., Mejía de Gutiérrez, R., Delvasto, S.

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Developing high-performance concrete incorporating highly-reactive rice husk ash by Salas, Andrés, Delvasto, Silvio, Mejía de Gutiérrez, Ruby

“…The aim of this study is to present results of an investigation about the developing of a high-performance concrete (HPC) using a highly reactive pozzolan made…”
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Comportamiento mecánico de hormigones de escoria activada alcalinamente reforzados con fibras de acero by Bernal, S., Mejía de Gutiérrez, R., Rodríguez, E., Delvasto, S., Puertas, F.

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Valorization of rice straw waste: an alternative ceramic raw material by Guzmán A, Á., Delvasto A, S., Sánchez V, E.

“…In the production of rice a large amount of solid residue is produced, for which alternative utilizations are scarce or are not commonly applied in industry…”
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