Alkali-Aggregate Reaction Investigations at Friant Dam, California

JN Hartwell

doi:10.1520/STP23454S

SYMPOSIA PAPER Published: 01 January 1990

STP23454S

Alkali-Aggregate Reaction Investigations at Friant Dam, California

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Mass concrete at Friant Dam was produced with high- and low-alkali cements both with and without natural pozzolan (pumicite). Recent and previous investigations indicate (a) concrete deterioration due to alkali-aggregate reaction has taken place to varying extent and degree within the dam; (b) compressive strength and modulus of elasticity have decreased due to alkali-aggregate reaction; (c) preliminary tests suggest alkalies are not present in the concrete in sufficient quantity to contribute to expansive reactions; and (d) the potentially deleteriously alkali-reactive aggregate is of andesite affinity.

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Hartwell, JN

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Details

Developed by Committee: C09

Pages: 93–105

DOI: 10.1520/STP23454S

ISBN-EB: 978-0-8031-5122-2

ISBN-13: 978-0-8031-1452-4

Alkali-Aggregate Reaction Investigations at Friant Dam, California

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