The ITZ in concrete – a different view based on image analysis and SEM observations

• Published in: Cement & concrete composites Vol. 23; no. 2; pp. 179 - 188
• Main Authors: Diamond, Sidney, Huang, Jingdong
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.04.2001
• Subjects: Auréole de transition; Backscatter images; Image analysis; Interfacial transition zone (ITZ); Microstructure; Scanning electron microscopy (SEM); Interfacial transition zone (ITZ); Image analysis; Auréole de transition; Microstructure; Backscatter images; Scanning electron microscopy (SEM)

The traditional picture of the ITZ in concrete involves an approximately 30 μm zone around each aggregate, within which the porosity increases as the aggregate interface is approached. The results of the writers' extensive image analysis investigations, and examinations of SEM specimens from va...