Usage of supplementary cementitious materials: advantages and limitations. Part I. C–S–H, C–A–S–H and other products formed in different binding mixtures

Barbara Pacewska , Iwona Wilińska

Abstract

It is well known that cement production is not neutral for natural environment among others due to high CO2 emission. Different strategies of mitigation of negative environmental impact of its production are developed. One of the ways is utilization of supplementary cementitious materials (SCMs) in the manufacture of cement and concrete. Introduction of aluminosilicate SCMs into binding mixture makes that more amount of so-called C–A–S–H phase appears in hydration products, affecting microstructure and properties of final hardened composite. The aim of this work is to discuss the possibilities of utilization of selected SCMs in different binding mixtures including some advantages and limitations. Literature review on the subject was carried out. Some of our own research results were also presented. In the Part I of this review, some information about history of ancient binding materials and the possibilities of inspiring modern engineers with ancient constructions in the aspect of using SCMs in modern concrete were presented. Using pozzolanic aluminosilicate SCMs in relation to their influence on formed products, microstructure and mechanical properties of hardened material were discussed. Some problems with possibilities of study of SCMs reaction degree were identified. Emphasis was put on the usefulness of isothermal calorimetry and thermal analysis for investigations of hydration process and identification of hydrated products as well as evaluation of degree of reaction of SCMs.
Author Barbara Pacewska (FCEMP / IC)
Barbara Pacewska,,
- The Institute of Chemistry
, Iwona Wilińska (FCEMP / IC)
Iwona Wilińska,,
- The Institute of Chemistry
Journal seriesJournal of Thermal Analysis and Calorimetry, ISSN 1388-6150, e-ISSN 1588-2926
Issue year2020
Keywords in Englishsupplementary cementitious materials, cement, blended cement, pozzolana, hydration, thermal analysis
ASJC Classification1606 Physical and Theoretical Chemistry; 3104 Condensed Matter Physics
DOIDOI:10.1007/s10973-020-09907-1
Languageen angielski
LicenseJournal (articles only); published final; Uznanie Autorstwa (CC-BY); after publication
Score (nominal)70
Score sourcejournalList
ScoreMinisterial score = 70.0, 23-08-2020, ArticleFromJournal
Publication indicators WoS Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2018 = 1.063; WoS Impact Factor: 2018 = 2.471 (2) - 2018=2.084 (5)
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