Brazilian sugar cane bagasse ashes from the cogeneration industry as active pozzolans for cement manufacture

Frías, Moisés; Villar, E. Calvo; Savastano, Holmer

doi:10.1016/j.cemconcomp.2011.02.003

Cited by 233 publications

(137 citation statements)

References 13 publications

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“…The lower compressive strength of fibrous mixtures might be attributed to the presence of fiber bundle (high percentage of fiber) during mixing [14,15]. These might attributed the voids due tothe addition of high percentage of fiber and the existence of a weak interfacial bonds among the fiber and concrete matrix [9,10].…”

Section: Resultsmentioning

confidence: 99%

“…The optimal level of sugarcane baggase ash content with 15% replacement. Many researchers show that sugarcane in high performance concrete as a partial replacement of Portland cement improved the rheological properties [6][7][8][9]. The method was implemented by grinding treatment that the ash received before its incorporation into the concrete mixtures.…”

Section: Introductionmentioning

confidence: 99%

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Properties of Sugarcane Fiber on the Strength of the Normal and Lightweight Concrete

2017

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Abstract. The usage of natural fiber in construction are widely used in building materials engineering. However, using sugarcane fiber waste material as a natural in construction is very precious, because it can increase crack control and ductility, brittle concrete. Furthermore, the usage of sugarcane in construction can reduce of environmental pollution.In this study, a mixture of sugarcane fiber to be used in normal grade concrete and lightweight concrete to determine whether there is an increase in the compressive and tensile strength of the concrete. The objective of this study was to determine the compressive and tensile strength between control concrete and concrete mix with sugarcane fiber. In addition, the optimal volume of sugarcane fiber in the concrete mixture where the percentage of sugarcane fiber used was 0.5%, 1.0% and 1.5%. Compessive strength was tested on days 7 and 28 after curing test is carried out. Meanwhile, the tensile test, has been carried out to measure the tensile strength of sugarcane fiber relations in concrete mixes only at 28 day curing. Result of the testing showed that the optimum value containing admixtures of sugarcane is 0.5%. This percentage get the value of compressive strength is nearest with concrete control and the value of tensile strength is higher than concrete control and also the timing of concrete to cracked getting slower. Therefore, the use of sugarcane fiber suitable for addition that do not exceed 0.5% of the concrete mixture.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Properties of Sugarcane Fiber on the Strength of the Normal and Lightweight Concrete

2017

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“…It has also been found that the ashes (as fly ash) that remain of any industrial process are characterized as highly damaging materials, and due to their low density and high volumes they cause the contamination of soils, groundwater and also health problems [9]. The use of Supplementary Materials does not contribute to the depletion of natural resources, and therefore the impact to the environment that is generated by the production of these raw materials is satisfactorily reduced, and the problem generated by the handling of the remaining residues is solved when they are used as additions in mortar and concrete mixtures.…”

Section: Introductionmentioning

confidence: 99%

Improving Sustainability through Corrosion Resistance of Reinforced Concrete by Using a Manufactured Blended Cement and Fly Ash

et al. 2018

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Abstract:The objective of this paper is to report the improvement of sustainability through the increase of reinforced concrete corrosion resistance by using a blended cement and fly ash. Different reinforced concrete mixtures were prepared with partial substitution of a manufactured blended cement with fly ash from a thermal power plant in Andorra (Teruel, Spain). These mixtures were manufactured using three different water/cement ratios (0.46, 0.59, and 0.70) and three substitution percentages of cement by fly ash (0%, 25%, and 50%). The test cylinders underwent an accelerated carbonation process and exposure to different chloride levels, with the aim of characterizing the corrosion level of the different mixtures. The addition of local FA matched or even improved the resistance of the control mixture against carbonation and chlorides.

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“…Finally, the compressive strength of Portland cement mortars with different percentages of VCAS (10,20 and 30%) replacing OPC is assessed for mortars cured for 28 days at room temperature and, the porosity of selected samples is performed using the mercury intrusion porosimetry (MIP) technique.…”

Section: Introductionmentioning

confidence: 99%

“…blast furnace slag) because of the presence of anhydrous calcium silicate compounds that hydrate in an alkaline environment. Otherwise, several industrial/agroindustrial wastes such as rice husk ash [7], ceramic wastes [8], fluid catalytic cracking catalyst residue [9] and sugarcane bagasse ash [10][11][12] have also been investigated for this purpose.…”

Section: Introductionmentioning

confidence: 99%

Assessment of pozzolanic/hydraulic reactivity of vitreous calcium aluminosilicate (VCAS)

et al. 2016

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The aim of this paper is to assess the possibility of using vitreous calcium aluminosilicate (VCAS) as a supplementary cementitious material in the production of Portland cement mortars. The calcium hydroxide consumption by VCAS is assessed by two different methods: firstly, a classical method based on thermogravimetric analysis (TGA) and, secondly, pH and electrical conductivity measurements of calcium hydroxide/VCAS suspensions with excess calcium hydroxide. Evidence of pozzolanic reactivity of VCAS is revealed in hydrated lime pastes, and low reactivity was observed in aqueous suspensions.The reactivity of VCAS is also assessed by means of TGA of VCAS/OPC pastes and by means of the mechanical strength development of Portland cement mortars, with VCAS replacement percentages in the range of 10-30%. The results obtained show that pozzolanic and hydraulic reactions take place in OPC systems. VCAS can be used as a supplementary cementitious material by replacing OPC at levels of 10-30% by mass.

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Brazilian sugar cane bagasse ashes from the cogeneration industry as active pozzolans for cement manufacture

Cited by 233 publications

References 13 publications

Properties of Sugarcane Fiber on the Strength of the Normal and Lightweight Concrete

Properties of Sugarcane Fiber on the Strength of the Normal and Lightweight Concrete

Improving Sustainability through Corrosion Resistance of Reinforced Concrete by Using a Manufactured Blended Cement and Fly Ash

Assessment of pozzolanic/hydraulic reactivity of vitreous calcium aluminosilicate (VCAS)

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