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Murugan Muthu, Sanjeev Kumar and Lukasz Sadowski
Reactive magnesia cement (RMC) has gained interest due to its lower production temperatures when compared to Portland cement. In this study, the performance of pozzolan-based RMC concrete samples against sulphate attack was examined. Cube samples, after ...
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Seyedsaleh Mousavinezhad, Judit M. Garcia, William K. Toledo and Craig M. Newtson
For several decades, class F fly ash has been an attractive supplementary cementitious material, at least in part, due to its ability to reduce Portland cement consumption and mitigate alkali-silica reactions in concrete. However, fly ash availability is...
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Luis Felipe Lalinde, Ana Mellado, María Victoria Borrachero, José Monzó and Jordi Payá
Glass fiber reinforced cement (GRC) is an excellent composite for architects and engineers because it can be molded to produce laminar panels or to create complicated designs. GRC is a fine concrete reinforced with alkali-resistant glass fibers at 3?5% p...
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Santiago Cabrera, Kerstin Elert, Anabela Guilarducci, Andrea Margasin
Pág. 248 - 263
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Kali Kapetanaki, Chrysi Kapridaki and Pagona-Noni Maravelaki
In recent years, lime mortars mixed with artificial or natural pozzolans are commonly used in restoration applications. The aim of this work is the assessment of carbonation, pozzolanic reaction, setting time, and mechanical properties of metakaolin?lime...
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H. Yanguatin, J. Tobón, J. Ramírez
Pág. Page 13 - 24
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 reduc...
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Diana M. Burgos, Luisa M. Cardona, Silvio Delvasto
Pág. Page 159 - 174
This study presents the results of characterization and evaluation of pozzolanic activity of two Colombian volcanic materials from different sources (Puracé volcano and the snowy of Tolima). These materials were analyzed by scanning electron microscope, ...
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Mauricio López, José Tomás Castro
Pág. Page 419 - 432
Pozzolanic materials in portland cement concrete mixtures hydrate forming new calcium silicate hydrates which improve durability of concrete structures. The aim of this research was to enhance the understanding of the role of natural pozzolans in concret...
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Rancés Castillo, Rodrigo Fernández, Mathieu Antoni, Karen Scrivener, Adrián Alujas, José Martirena
Pág. Page 329 - 352
This paper introduces a proposal to produce artificial pozzolans by means of activation of low grade clays, as an alternative to metakaolin production. Basically the work considered clay mineral enriched soils, mainly kaolin. Such material was sediment a...
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