Results 21 to 30 of about 2,024 (169)
Cement, 2023 This study examines the regional variability in the chemical composition and pozzolanic reactivity of corn stover ash (CSA) produced from corn stover samples collected from different locations in the U.S.
Mahmoud Shakouri, Jiong Hu, Cody Stolle
doaj +1 more source
Mechanical Transformation of Fly Ash toward Its Utilization in Cemented Paste Backfill
Advances in Civil Engineering, 2021 Fly ash (FA) showed low reactivity when being used to prepare the binder for cemented paste backfill (CPB). In the present work, wet-grinding treatment was used to increase the pozzolanic reactivity of FA and promote its sustainable utilization.
Haijun Wang, Yun Duan
doaj +1 more source
Pozzolanic reactivity of kaolin clays, a review
Revista Ingeniería de Construcción, 2017 Pozzolans have demonstrated to be highly efficient mineral additions in the concrete industry, because they reduce the environmental impact generated by the cement manufacture, improve the physical, chemical and mechanical properties of blends, and ...
H. Yanguatin, J. Tobón, J. Ramírez
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Evaluation of Pozzolanic activity and lime reactivity of fly ash, GGBS, mica powder and pumice as binders [PDF]
E3S Web of ConferencesThis article presents the effect of the pozzolanic activity and lime reactivity of various siliceous materials, like fly ash, GGBS (Ground granulated blast furnace slag), mica and pumice powders.
Ramanujam I.V. Ranga +2 more
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Increasing the Pozzolanic Reactivity of Recovered CDW Cement Stone by Mechanical Activation
Materials Proceedings, 2023 The study focuses on enhancing the reactivity of the fine size fraction of construction and demolition waste (CDW) by mechanical activation in a stirred media mill. Systematic measurements were carried out to monitor the change in cement stone reactivity.
Roland Szabó +3 more
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Structural Concrete, EarlyView.Abstract Ground granulated blast‐furnace slag (GGBS) is a widely used clinker substitute in concrete, recognized for its potential to significantly reduce environmental impacts. However, its application in prestressed concrete remains limited in several countries, mainly due to concerns regarding early‐age mechanical performance and long‐term ...
D. Rolando Baldiviezo +6 more
wiley +1 more source
Sample Origin Effect on Chemical Reactivity of Tajogaite Volcanic Ashes for Ancient Mortar Repair
Sustainable ChemistryVolcanic ashes (VA) ejected by the Tajogaite Volcano were studied to determine their potential as pozzolanic materials for construction applications.
Imren Basar +5 more
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The Chemical Record, EarlyView.Geopolymers are presented as a chemically programmable platform whose properties emerge from activation chemistry, nanoscale disorder, and interfacial design. The review highlights sustainability challenges, the shift toward nanoengineered and hybrid systems, and the rise of halloysite‐based architectures enabling tunable structures across scales for ...
Martina Maria Calvino +4 more
wiley +1 more source
Sustainable FuturesThe present study deals with a comprehensive characterization of Sugarcane bagasse ash (SCBA) and its effect on pozzolanic reactivity. Utilizing SCBA as pozzolanic material reduces the ash disposal problem and enhance the properties of cementitious ...
Yogitha Bayapureddy +2 more
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Mortars From Punic and Hellenistic–Roman Solunto: Materials, Formulations, and Technology
Archaeometry, EarlyView.ABSTRACT This study presents an archaeometric investigation of 18 hydraulic rendering and bedding mortars from Punic and Hellenistic–Roman Solunto (NW Sicily). The research aimed to characterize raw materials, reconstruct manufacturing sequences, and evaluate technological proficiency through mineralogical and petrochemical analyses.
G. Montana +4 more
wiley +1 more source