SEDL / STP / STP169D-EB / STP37741S

Chapter 23: Pore Structure, Permeability, and Penetration Resistance Characteristics of Concrete

Hearn, N
Associate Professor, University of Windsor, Ontario,

Hooton, RD
Professor, University of Toronto, Ontario,

Nokken, MR
Assistant Professor, Concordia University, Montreal,

Pages: 15    Published: Jan 2006

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Abstract

THIS CHAPTER WAS FIRST PUBLISHED IN THE PREvious edition ASTM STP 169C [1] under the authorship of N. Hearn, R. D. Hooton and R. H. Mills. Since publication there have been significant developments in modeling of penetration resistance of deleterious substances (e.g., [2]), and in the way pore structure and permeability of the cementitious systems are viewed. Even the word “permeability” is more cautiously used and is frequently replaced by the more general term “penetration resistance.” The new version of this chapter explores the changes associated with defining and measuring concrete pore structure and permeability.