Supplementary Cementing Materials in Concrete

Michael Thomas

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February 25, 2013 by CRC Press
Monograph - 210 Pages - 114 B/W Illustrations
ISBN 9781466572980 - CAT# K16631

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Features

  • Covers a range of topics from understanding the fundamental science behind using SCMs to practical examples of their use in real situations
  • Presents detailed information on the use of supplementary cementing materials in concrete including the provenance of these materials and their chemical, physical, and mineralogical properties
  • Includes a wide range of studies that demonstrate the impact of SCMs on the temperature rise in concrete, the development of strength, and volume stability
  • Draws on the author’s expertise as one of the leading researchers in this field but also his first-hand practical experience
  • Discusses the growing demand for concrete with increased level of SCMs to reduce the carbon footprint associated with portland cement

Summary

Supplementary cementing materials (SCMs), such as fly ash, slag, silica fume, and natural pozzolans, make a significant difference to the properties of concrete but are rarely understood in any detail. SCMs can influence the mechanical properties of concrete and improve its durability in aggressive environments. Supplementary Cementing Materials in Concrete covers the chemical, physical, and mineralogical properties of SCMs; their chemical reactions; and the resulting changes in the microstructure of concrete.

The author links the properties of the material at the microstructural level with its behavior in laboratory tests, and, in turn, to the performance of the material in concrete structures under field exposure. He explains how SCMs influence the mechanical properties of concrete and improve its durability and also covers how various SCMs influence hydration reactions and the evolution of the pore structure and pore-solution composition.

However, SCMs are not a panacea for concrete and improper use may be injurious to certain properties. Achieving the maximum benefit from SCMs requires an understanding of the materials and how they impact concrete properties under various conditions. Drawing on the author’s 30 years of experience, this book helps engineers and practitioners to optimize the use of supplementary cementing materials to improve concrete performance.