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The effect of seawater on the hydration of high MgO cements
This item is provided by the institution :
National Technical University of Athens
Repository :
Digital Library of National Technical University of Athens | Dspace@NTUA
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ΕΚΤ item type
Journal part
(EN)
Scientific article
(EN)
EKT year
1990
(EN)
EKT historical period
Title
The effect of seawater on the hydration of high MgO cements (EN)
Creator
Kasselouris, V (EN)
Economou, J (EN)
Ftikos, Ch (EN)
Description
This investigation concerns the effect of some ions, contained in seawater, on the hydration of cements containing 7% MgO, pure or with 30% pozzolan (Santorin Earth). Pastes prepared from these two cements were cured in five baths containing seawater, deionized water and aq. solutions of SO42-, Mg2+ and Cl- ions respectively for one year. The Mg(OH)2 produced during the hydration of the above cements was determined by DTA-TG, while the hydration phenomena were studied by XRD. It is concluded that the presence of Cl- and SO42- ions does not affect MgO hydration. Mg2+ ions increase the Mg(OH)2 content, mostly by their penetration in the pastes. The beneficial effect of the interground pozzolan is also shown. © 1990. (EN)
Type
journalArticle (EN)
Subject
Cement Pastes (EN)
Construction & Building Technology (EN)
Pozzolan (EN)
Santorin Earth (EN)
Materials Science, Multidisciplinary (EN)
Cement (EN)
Ions (EN)
Concrete (EN)
High Magnesia Cements (EN)
Magnesium Hydroxide (EN)
Seawater (EN)
Provider
National Technical University of Athens
Repository / collection
Digital Library of National Technical University of Athens | Dspace@NTUA
Subcollections
Κεντρική Βιβλιοθήκη Ε.Μ.Π.
Ιδρυματικό Αποθετήριο
Δημοσιεύσεις μελών Δ.Ε.Π. σε περιοδικά
Journal
Cement and Concrete Research (EN)
Language
English
Issued
1990 (EN)
Identifier
http://hdl.handle.net/123456789/10314
1 (EN)
ISI:A1990CR89400001 (EN)
6 (EN)
0008-8846 (EN)
20 (EN)
Publisher
PERGAMON-ELSEVIER SCIENCE LTD (EN)
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