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The influence of NaCl on the reactivity of high alumina cement in water: Pore-solution and solid phase characterization

Published online by Cambridge University Press:  03 March 2011

S. Goñi ,
M.T. Gaztañaga ,
J.L. Sagrera  and
M.S. Hernández
S. Goñi
Affiliation:
institute of Construction Science Eduardo Torroja CSIC, c) Serrano Galvache s/n, 28033 Madrid, Spain
M.T. Gaztañaga
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
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Abstract

The influence of NaCl (3% of Cl−by weight of cement) on the reactivity of High Alumina Cement (HAC) in water has been studied over a period of one month. The changes in microstructure were monitored by x-ray diffraction and scanning electron microscopy. The pore-solution, extracted by the application of high mechanical pressure (500 MPa), was studied for the chemical composition and changes caused by chloride and sodium ions.

Type
Articles
Information
Journal of Materials Research , Volume 9 , Issue 6 , June 1994 , pp. 1533 - 1539
Copyright
Copyright © Materials Research Society 1994

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References

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