Portland cement
Carbon Nanotubes in Portland cement concrete: Influence of dispersion on mechanical properties and water absorption
... of cement with fly ...the cement mass was analyzed, and the second with 20% fly ash showed a 10% increase in compressive ...on cement paste and consistency was not ...in Portland cement ...
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Ceramic tiles waste as replacement material in Portland cement
... partial Portland cement replacement was ...substitute Portland cement were used to assess this material ’ s pozzolanic behaviour, and samples were cured at 20°C for different curing ...
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Analyzing the dispersion of carbon nanotubes solution for use in Portland cement concrete
... The addition of CNTs to cementitious compounds is a topic that has been studied by various brazilian and international universities and the justification for this is that some surveys, attest the good performance of ...
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Durabilidad de un suelo contaminado y tratado con cemento portland = Durability of a contaminated soil treated with portland cement
... the Portland cement CP ...of cement and acidic oily sludge as well as study their volumetric ...of cement, the smaller the mass loss and the more stable the volumetric ...
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Surface treatment with silicon-based nanoparticles induced during curing: Effect on durability of portland cement based materials
... Problems of durability in reinforced concrete structures (RCS) begin with the interaction of the medium with the surface of the portland cement base materials (Cai et al., 2016; Hou et al., 2015; Hou et ...
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Carbon Nanotubes in Portland cement concrete: Influence of dispersion on mechanical properties and water absorption
... Os nanotubos de carbono (NTCs) são estruturas de carbono que obtêm forma de cilindros em escala nanométrica. Este trabalho apresenta uma avaliação da adição dos NTCs em concreto de cimento Portland, com foco na ...
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Estudio de la aptitud del loess pampeano como adición activa al cemento portland = The aptitude study of the loess pampeano like active addition to the portland cement
... cemento portland ha realizado numerosos cambios, uno de los cuales im- pulsa el uso de materiales suplementarios, naturales, residuales o subproductos industriales que requieran menos energía de ...
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Analyzing the dispersion of carbon nanotubes solution for use in Portland cement concrete
... A adição de nanotubos de carbono em compostos de cimento é um tema que tem sido estudado por várias universidades brasileiras e internacionais e a justificativa para isso é que algumas pesquisas, atestam o bom desempenho ...
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Surface treatment with silicon-based nanoparticles induced during curing: Effect on durability of portland cement based materials
... El efecto de la introducción de nanopartículas base silicio (NBS) preparadas por sol-gel en la permeabilidad de materiales base cemento portland fue estudiado. La introducción de NBS en morteros fabricados con una ...
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Carbon Nanotubes in Portland cement concrete: Influence of dispersion on mechanical properties and water absorption
... cimento Portland com adição de ...cimento Portland, o que pode aumentar a durabilidade de estruturas de concreto, já que diâmetros menores tendem a dificultar a circulação de agentes agressivos dentro do ...
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Analyzing the dispersion of carbon nanotubes solution for use in Portland cement concrete
... La adición de nanotubos de carbono en compuestos de Cemento es un tema que ha sido estudiado por varias universidades brasileñas e internacionales y se justifica ya que algunas investigaciones, comprueban su buen ...
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Estructura y propiedades de clinkers de cemento portland obtenidos con combustibles residuales = Structure and properties of portland cement clinkers obtained with waste fuels
... cemento Portland normal o con adiciones es adecuada para la solidificación/estabilización (S/E) de metales como Zn, Cu, Pb, Cd, entre ...cemento Portland, encontrando que en todos los casos el ...
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Temperature effect on performance of Portland cement versus advanced hybrid cements and alkali-Fly ash cement
... the cement industry is the clinkering process as mentioned ...2011), cement Type II, III, IV and ...This cement has been studied over the last old ...based cement and OPC are; they don't have ...
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Es el agregado de trixido mineral una biocermica?
... hydraulic cement introduced to Dentistry was ProRoot MTA (Dentsply, Tulsa Dental Specialities, Tulsa OK, ...phosphate cement was shown to be composed of Portland cement whose components are ...
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Assessment of Sustainability of Low Carbon Cement in Cuba Cement Pilot Production and Prospective Case
... Abstract The increased attention towards the use of calcined clays as supplementary cementitious materials (SCM ’ s) has prompted several studies of calcined kaolinite (metakaolin) and to a lesser extent also of ...
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New cementitious materials based on alkali-activated fly ash: performance at high temperatures
... commercial Portland cement, used as a control, and a new cementitious material made from an 8M-NaOH activated fly ash and containing no ...the Portland cement ...
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Rietveld Quantitative Phase Analysis of OPC Clinkers, Cements and Hydration Products
... Some OPC samples contain unstable phase(s) in room conditions. Sample preparation should be carried out to avoid/minimize sample alteration. In this case, there are differences between anhydrous OPCs and hydrated pastes. ...
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Compression resistance of concretes with blast furnace slag. Re-visited state-of-the-art
... of cement for ground granulated slag (GBFS) will generally reduce the amount of water necessary to obtain the same shrinkage as the one obtained from a concrete with ...with Portland cement (Wang, ...
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RAV5N2, Message from the Editor in Chief (May - August 2015)
... of cement with fly ...the cement mass was analyzed, and the second with 20% fly ash showed a 10% increase in compressive ...on cement paste and consistency was not ...in Portland cement ...
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Evaluation of the aggregates used in the metropolitan region of Salvador regarding the occurrence of AAR
... The increase in the mortar resistance with the addition of silica fume and metakaolin occurs because pozzolana, together with calcium hydroxide, generates binding products, like the phases resulting from the direct ...
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