Determination of the Pozzolanic Activities of Trachyte and Rhyolite and Comparison of the Test Methods Implemented
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Civil Engineering"
DOI: 10.1007/s40999-020-00516-5
Abstract: Natural pozzolanas should be evaluated in terms of sustainability as well as their contribution to concrete durability. Therefore, the use of such materials in the production of cement as well as concrete industry has been… read more here.
Keywords: pozzolanic activities; activity index; trachyte rhyolite; activity ... See more keywords
Effects of mechanical grinding on pozzolanic activity and hydration properties of quartz
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DOI: 10.1016/j.apt.2020.09.028
Abstract: Abstract To provide basic research into the utilization of mine tailings as supplementary cementitious materials in cement, the pozzolanic activity and hydration properties of quartz-a common mineral phase in mine tailings-after undergoing mechanical grinding were… read more here.
Keywords: activity hydration; pozzolanic activity; hydration properties; activity ... See more keywords
Comparing the pozzolanic activity of aerial lime mortars made with metakaolin and fluid catalytic cracking catalyst residue: A petrographic and physical-mechanical study
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DOI: 10.1016/j.conbuildmat.2018.07.002
Abstract: Abstract We investigated the viability of a fluid catalytic cracking catalyst residue (FC3R) as an alternative sustainable pozzolanic additive in aerial lime mortars. The pozzolanic activity of FC3R was compared to that of metakaolin (MK)… read more here.
Keywords: aerial lime; catalytic cracking; fluid catalytic; lime mortars ... See more keywords
Study of the pozzolanic activity of a dredged sediment from Dunkirk harbour
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DOI: 10.1016/j.powtec.2017.07.055
Abstract: Resume Les additions ou produits de substitution dans les matrices cimentaires sont generalement caracterises par leur aptitude a reagir dans des conditions specifiees. Cette caracteristique peut etre appreciee au travers de la mesure de l’activite… read more here.
Keywords: dredged sediment; activite mecanique; study pozzolanic; activity dredged ... See more keywords
Pozzolanic activity of kaolins containing aluminum hydroxide
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DOI: 10.1038/s41598-020-70146-3
Abstract: The addition of 10 wt% aluminum hydroxide to two crude kaolinitic clays, a commercial and a natural freshly mined one, has enhanced their pozzolanic activity, more substantially in the natural sample containing gibbsite. The obtained… read more here.
Keywords: aluminum; pozzolanic activity; aluminum hydroxide; cement ... See more keywords
Evaluation of pozzolanic activity of volcanic tuffs from Tibet, China
Sign Up to like & getrecommendations! Published in 2017 at "Advances in Cement Research"
DOI: 10.1680/jadcr.15.00075
Abstract: This paper presents a study of the characteristics and pozzolanic activity of three volcanic tuffs to assess the quality and availability of the tuffs for use as supplementary cementitious materials in cement-based composites. The main… read more here.
Keywords: volcanic tuffs; chemical composition; cement; activity ... See more keywords
Microstructural Assessment of Pozzolanic Activity of Ilmenite Mud Waste Compared to Fly Ash in Cement Composites
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DOI: 10.3390/ma17112483
Abstract: This paper presents the influence of adding rinsed ilmenite mud waste (R-MUD) on the microstructure of Portland cement composites, compared to similar composites containing fly ash (FA). The aim of the study is the assessment… read more here.
Keywords: mud waste; pozzolanic activity; ilmenite mud; fly ash ... See more keywords
Difficulties in Determining the Pozzolanic Activity of Thermally Activated Lower-Grade Clays
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DOI: 10.3390/ma17205093
Abstract: Thermally activated clays (TACs) have been identified as possible supplementary cementitious materials (SCMs). To find a suitable clay and to optimise the activation process, it is necessary to determine its pozzolanic activity. However, the nature… read more here.
Keywords: activity thermally; thermally activated; determining pozzolanic; pozzolanic activity ... See more keywords