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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: New Additions for the Design of Eco-Efficient Cements. Analysis of Pozzolanic Reaction Kinetics
Author(s): Gabriel Medina, José María Medina, Isabel F. Sáez del Bosque, Moisés Frías, María Isabel Sánchez de Rojas, César Medina
Publication: Special Publication
Appears on pages(s): 9.1-9.14
Keywords: Supplementary cementitious materials, waste, pozzolanic activity
Abstract:This study assesses the pozzolanic activity of two types of waste, one from biomass power plants and the other from the ornamental granite industry. These materials were first
characterised chemically, physically, morphologically and mineralogically. Pozzolan reaction kinetics in the waste/portlandite system were then researched by analysing the crystalline compounds with instrumental techniques such as TGA and XRD. The findings showed that bioenergy plant waste exhibited pozzolanic activity comparable to the values reported for other agri-forest additions and greater than recorded for fly ash. Activity in the granite industry waste, in turn, was greater than in fly ash and lower than in silica fume and New Additions for the Design of Eco-Efficient Cements. Analysis of Pozzolanic Reaction Kinetics 9.3 sanitaryware waste. In light of these results, both types of waste would potentially be apt for use as additions in eco-friendly cements.
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