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A new insight on alkaline hydrolysis of calcium aluminate cement concrete: Part I. Fundamentals

Published online by Cambridge University Press:  31 January 2011

S. Goñi ,
C. Andrade ,
J. L. Sagrera ,
M. S. Hernández  and
C. Alonso
S. Goñi
Affiliation:
Institute of Construction Science Eduardo Torroja (CSIC), c/Serrano Galvache s/n, 28033 Madrid, Spain
C. Andrade
Affiliation:
Institute of Construction Science Eduardo Torroja (CSIC), c/Serrano Galvache s/n, 28033 Madrid, Spain
J. L. Sagrera
Affiliation:
Institute of Construction Science Eduardo Torroja (CSIC), c/Serrano Galvache s/n, 28033 Madrid, Spain
M. S. Hernández
Affiliation:
Institute of Construction Science Eduardo Torroja (CSIC), c/Serrano Galvache s/n, 28033 Madrid, Spain
C. Alonso
Affiliation:
Institute of Construction Science Eduardo Torroja (CSIC), c/Serrano Galvache s/n, 28033 Madrid, Spain
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Abstract

In this work a hypothesis to explain the alkaline hydrolysis degradation process of calcium aluminate cement concrete (CACC) is presented. The hypothesis is based on x-ray diffraction (XRD) data of some samples taken from real Spanish CACC structures. The identification from XRD data of a hydrated alkaline aluminate could serve as a guide to differentiate both processes of normal carbonation and alkaline hydrolysis.

Type
Articles
Information
Journal of Materials Research , Volume 11 , Issue 7 , July 1996 , pp. 1748 - 1754
Copyright
Copyright © Materials Research Society 1996

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