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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.

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Type
Articles
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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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