Influence of sugar-cane bagasse ash and fly ash on the rheological behavior of cement pastes and mortars

Jiménez-Quero, Víctor Guillermo; León-Martínez, F.M.; Montes-García, Pedro; Gaona-Tiburcio, C.; Chacón-Nava, J.G.

doi:10.1016/j.conbuildmat.2012.11.023

Cited by 96 publications

(33 citation statements)

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“…A is an agglomerated particle, B a prismatic, C a spherical, and D a fibrous. for water, and Jiménez-Quero et al (31) reported that the variety of shapes of sieved UtSCBA particles can reduce the flow of the mortar mixtures since these particles can increase friction during the mixing process. Mortar with 20% UtSCBA was less dense than the other mortars (Table 4).…”

Section: Properties In Fresh State Of Mortarsmentioning

confidence: 99%

The influence of untreated sugarcane bagasse ash on the microstructural and mechanical properties of mortars

et al. 2018

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This study investigated the effects of the addition of untreated sugarcane bagasse ash (UtSCBA) on the microstructural and mechanical properties of mortars. The SCBA was sieved for only five minutes through a No. 200 ASTM mesh, and fully characterized by chemical composition analysis, laser ray diffraction, the physical absorption of gas, scanning electron microscopy (SEM) and X-ray diffraction (XRD) techniques. Mortar mixtures with 0, 10 and 20% UtSCBA as cement replacement and a constant 0.63 water/cementitious material ratio were prepared. Fresh properties of the mortars were obtained. The microstructural characteristics of the mortars at 1, 7, 28, 90 and 600 days were evaluated by SEM and XRD. The compressive strengths of the mortars at the same ages were then obtained. The results show that the addition of 10 and 20% UtSCBA caused a slight decrease in workability of the mortars but improved their microstructure, increasing the long-term compressive strength.

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Section: Properties In Fresh State Of Mortarsmentioning

confidence: 99%

The influence of untreated sugarcane bagasse ash on the microstructural and mechanical properties of mortars

et al. 2018

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“…Due to the smaller particle size, the SBCA requires a greater amount of water for the same workability. The inclusion of SCBA in mortar mixes increased both yield stress and viscosity, which caused a lower percentage of fluidity [33]. The results for the water absorption of the mortars indicate a possible decrease in open porosity.…”

Section: Resultsmentioning

confidence: 69%

Effect of partial replacement with thermally processed sugar cane bagasse on the properties of mortars

et al. 2017

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Sugar cane bagasse is a residue of the sugar-alcohol industry, and its main destination is represented by burning boilers for power generation. The bagasse cogeneration of power produces a sugar cane bagasse ash (SCBA) residue that does not have a useful destination. Ashes are commonly studied as pozzolan in Portland cement production. International Standards indicate the use of pozzolan with up to 50% substitution. In the present work, we investigate the use of SCBA as an addition in Portland cement. For this purpose, Portland cement was prepared by substituting cement with 0, 10, 20, and 30% processed SCBA in volume. The ashes were processed by re-burning and grinding and were then characterized by scanning electron microscopy, Xray diffraction, laser granulometry, X-ray fluorescence spectrometry, the Chapelle method, and pozollanic activity. To evaluate the cement with substitution, we used the mortar recommended by NBR 7215. The mechanical properties of the cements with replacement were analysed through tests of the compressive strength and flexural strength of mortars. The results appear interesting and support the possible use of SCBA in the production of cement from the aspect of mechanical properties evaluated.

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“…Se han realizado investigaciones en diferentes países con residuos agroindustriales como sustituto parcial del cemento para la fabricación de mampuestos no estructurales [6][7], morteros [8][9][10][11] y concretos [12][13][14][15][16] con resultados prometedores para la ingeniería de materiales.…”

Section: Introductionunclassified

Concreto hidráulico modificado con sílice obtenida de la cascarilla del arroz

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2017

Cien.Ing.Neogranadina

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<p>El cemento es una de las materias primas en la producción del concreto hidráulico, pero su producción es considerada como uno de los procesos más contaminantes en nuestro planeta. El proyecto de investigación analiza el comportamiento mecánico, físico y químico de una mezcla de concreto hidráulico modificado con sílice obtenida por la incineración de cascarilla de arroz. La metodología utilizada fue un diseño experimental que se trabajó con cemento Holcim M1 Concretera, se utilizó como muestra patrón un diseño de mezcla de concreto hidráulico para una resistencia a la compresión de 350 Kg/cm2, y resistencia a la flexión de 42 Kg/cm2. La modificación se realizó mediante la sustitución del cemento por ceniza de cascarilla de arroz (sílice), en proporciones del 5%, 15% y 30%. Los resultados muestran la viabilidad para el porcentaje de sustitución de 5% en la resistencia a la compresión, la tracción indirecta y a la flexión, por lo tanto, hay una viabilidad técnica para aplicar este procedimiento.</p>

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Influence of sugar-cane bagasse ash and fly ash on the rheological behavior of cement pastes and mortars

Cited by 96 publications

References 20 publications

The influence of untreated sugarcane bagasse ash on the microstructural and mechanical properties of mortars

The influence of untreated sugarcane bagasse ash on the microstructural and mechanical properties of mortars

Effect of partial replacement with thermally processed sugar cane bagasse on the properties of mortars

Concreto hidráulico modificado con sílice obtenida de la cascarilla del arroz

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