Overview
- Authoritative compilation by international experts in petrography & AAR
- Copiously illustrated with carefully selected images of relevant rock & concrete samples
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Table of contents (6 chapters)
Keywords
About this book
• optical thin-section petrography conforming to RILEM AAR 1.1 is considered the prime assessment method for aggregate materials, being effective regarding cost and time. Unequivocal identification of minerals in very-fine grained rock types may however require use of supplementary methods.
• the atlas adheres to internationally adopted schemes for rock classification and nomenclature, as recommended in AAR 1.1. Thus, rock types are classified as igneous, sedimentary or metamorphic based upon mineral content, microstructure and texture/fabric.
• in addition, the atlas identifies known alkali-reactive silica types in each rock type presented. It also identifies consistent coincidence between certain lithologies and silica types; however, it refrains from attributing alkali-reactivity to a specific silica property or quality.
• operator skill and experience remain essential for reliable assessment by thin-section petrography.
• aggregate materials must be classified according to local criteria, based on regional experiences with ASR-damaged field structures and geology. Access to additional data may be relevant for the assessment of imported materials.
• mere application of rock nomenclature does not provide any sort of warranty to the development of deleterious alkali-reaction. Such may result in either rejection of a suitable aggregate material, thus wasting a valuable resource, or acceptance of an unsuitable material leading to concrete damage, both of which are undesirable.
Editors and Affiliations
Bibliographic Information
Book Title: Petrographic Atlas: Characterisation of Aggregates Regarding Potential Reactivity to Alkalis
Book Subtitle: RILEM TC 219-ACS Recommended Guidance AAR-1.2, for Use with the RILEM AAR-1.1 Petrographic Examination Method
Editors: Isabel Fernandes, Maria dos Anjos Ribeiro, Maarten A T M Broekmans, Ian Sims
DOI: https://doi.org/10.1007/978-94-017-7383-6
Publisher: Springer Dordrecht
eBook Packages: Engineering, Engineering (R0)
Copyright Information: RILEM 2016
Hardcover ISBN: 978-94-017-7382-9Published: 05 April 2016
Softcover ISBN: 978-94-024-1339-7Published: 25 April 2018
eBook ISBN: 978-94-017-7383-6Published: 18 March 2016
Edition Number: 1
Number of Pages: XI, 193
Number of Illustrations: 467 b/w illustrations, 37 illustrations in colour
Topics: Geoengineering, Foundations, Hydraulics, Structural Materials, Geochemistry