Properties of Metakaolin blended cements

Ambroise, J.; Maximilien, Sandrine; Péra, J.

doi:10.1016/1065-7355(94)90007-8

Cited by 218 publications

(67 citation statements)

References 4 publications

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“…Temperatures around 58˚C -60˚C for 10% -30% were observed by Frias et al [31]. These results differ from previous calorimetry studies conducted by Jean Ambroise [32]. He has found maximum temperatures of 49˚C for 10% MK.…”

Section: Semi-adiabatic Calorimetric Studiescontrasting

confidence: 57%

The Influence of Metakaolin from Saaba (Burkina Faso) over Physico-Mechanical and Durability Properties of Mortars

Ntimugura¹,

Sore²,

Bello³

et al. 2017

OJCE

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The paper evaluates the feasibility of reducing clinker in the Portland Cement production using local metakaolin in Burkina Faso. Standardized testing methods have been used for this purpose, and experiments were performed on mortar prisms containing different amounts of metakaolin. Important results about the physical, mechanical and durability characterization of blended mortars were carried out in this study. The obtained results are discussed based on available literature data. These results have shown increased physical and durability properties for blended mortars. Although the mechanical strengths remained relatively low for higher MK incorporations, the latter grow to surpass these of PC mortars (the reference) at 28, 56 and 90 days of curing. The results in the paper, have confirmed the possibility of using metakaolin to partially substitute cement, a possibility to reduce the CO2 production by the cement industry in Burkina Faso.

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Section: Semi-adiabatic Calorimetric Studiescontrasting

confidence: 57%

The Influence of Metakaolin from Saaba (Burkina Faso) over Physico-Mechanical and Durability Properties of Mortars

Ntimugura¹,

Sore²,

Bello³

et al. 2017

OJCE

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“…The pozzolanic reaction of MK with the calcium hydroxide (CH) in pastes is described as follows (15,16) [2]:…”

Section: Clinker Substitution Rate At Blended Cements Vs Ternary Blementioning

confidence: 99%

Industrial trial to produce a low clinker, low carbon cement

et al. 2015

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A preliminary assessment of conditions for the industrial manufacture of a new cementitious system based on clinker-calcined clay and limestone, developed by the authors, referred as "low carbon cement" is presented. The new cement enables the substitution of more than 50% of the mass of clinker without compromising performance. The paper presents the follow-up of an industrial trial carried out in Cuba to produce 130 tonnes of the new cement at a cement plant. The new material proved to fulfill national standards in applications such as the manufacture of hollow concrete blocks and precast concrete. No major differences either in the rheological or mechanical properties were found when compared with Portland cement. Environmental assessment of the ternary cement was made, which included comparison with other blended cements produced industrially in Cuba. The new cement has proven to contribute to the reduction of above 30% of carbon emissions on cement manufacture. RESUMEN:Impacto del uso de un cemento de bajo carbono en la mejora de la sostenibilidad de la producción de cemento. Se presenta la evaluación preliminar de las condiciones de fabricación industrial de un nuevo sistema cementicio a partir del empleo de clínquer; arcillas calcinadas y piedra caliza; desarrollado por los autores; denominado "cemento de bajo carbono". El nuevo cemento posibilita la reducción de más de un 50% de la masa de clínquer; sin comprometer el comportamiento del material. El presente trabajo presenta el monitoreo de la producción industrial en una planta en Cuba; de 130 t del nuevo cemento. El cemento obtenido cumple con las regulaciones nacionales de calidad y su empleo tiene similar rendimiento que el cemento Pórtland para la producción de bloques y hormigón de 25 MPa. Se realiza el análisis de impacto ambiental del cemento ternario mediante la comparación con otros cementos producidos industrialmente. El nuevo cemento puede contribuir a la reducción de más del 30% de las emisiones de CO 2 asociadas a la manufactura de cemento.

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“…Ambroise J et al [2] clearly demonstrated that the MK is a valuable pozzolanic, and thermally activated aluminosilicate material obtained by calcining kaolin clay within the temperature range of 700-850°C. MK is usually added to concrete in amount of 5 -15% by weight of cement.…”

Section: Introductionmentioning

confidence: 99%

Mechanical and transport properties in ternary blended self compacting concrete with metakaolin and fly ash

Kannan¹

2012

IOSRJMCE

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Properties of Metakaolin blended cements

Cited by 218 publications

References 4 publications

The Influence of Metakaolin from Saaba (Burkina Faso) over Physico-Mechanical and Durability Properties of Mortars

The Influence of Metakaolin from Saaba (Burkina Faso) over Physico-Mechanical and Durability Properties of Mortars

Industrial trial to produce a low clinker, low carbon cement

Mechanical and transport properties in ternary blended self compacting concrete with metakaolin and fly ash

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