SYMPOSIA PAPER Published: 01 January 1978
STP35641S

Chapter 41—Chemical Reactions of Carbonate Aggregates in Cement Paste

It has long been recognized that no aggregate is completely inert in the environment of portland cement paste. This environment is always at least as alkaline as a saturated solution of calcium hydroxide and may for certain sources of cement exceed this alkalinity [1]. We only need to consider those reactions which take place at a rate sufficient to affect the concrete during its normal life span. Carbonate aggregate reactions may be beneficial, innocuous, or deleterious.

Author Information

Walker, HN
Virginia Highway Research Council, Charlottesville, Va.
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Developed by Committee: C09
Pages: 722–743
DOI: 10.1520/STP35641S
ISBN-EB: 978-0-8031-4712-6
ISBN-13: 978-0-8031-0612-3