On the hydration of MgO in cement pastes hydrated up to eight years

Kasselouris, V; Ftikos, C; Parissakis, G

dc.contributor.author	Kasselouris, V	en
dc.contributor.author	Ftikos, C	en
dc.contributor.author	Parissakis, G	en
dc.date.accessioned	2014-03-01T01:06:27Z
dc.date.available	2014-03-01T01:06:27Z
dc.date.issued	1985	en
dc.identifier.issn	0008-8846	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/9388
dc.subject	Cement Paste	en
dc.subject.classification	Construction & Building Technology	en
dc.subject.classification	Materials Science, Multidisciplinary	en
dc.subject.other	CONCRETE - Research	en
dc.subject.other	CLINKER	en
dc.subject.other	HIGH-MAGNESIA CEMENTS	en
dc.subject.other	PERICLASE	en
dc.subject.other	POZZOLANIC ADDITIVES	en
dc.subject.other	CEMENT	en
dc.title	On the hydration of MgO in cement pastes hydrated up to eight years	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/0008-8846(85)90140-1	en
heal.identifier.secondary	http://dx.doi.org/10.1016/0008-8846(85)90140-1	en
heal.language	English	en
heal.publicationDate	1985	en
heal.abstract	The present work extends the knowledge on the behaviour of high magnesia cements, pure or with pozzolanic additives cured for 8 years in potable water at 18+2°C. For this purpose, clinker containing 10% MgO was prepared in an appropriate furnace. The raw materials used were all of industrial origin. Four cements were prepared by cogrinding clinker with gypsum and the following pozzolanic materials: Santorin Earth (S.E.), Fly Ash I (F.A.I.), Fly Ash II (F.A.II) and Fly Ash III (F.A.III), in a proportion of 30%. The Mg(OH)2 produced during the hydration of the above cements was determined quantitatively by thermogravimetric method, while the hydration phenomena were studied by X.R.D. It is concluded that when clinker containing ca. 10% MgO is coground with a good pozzolan, the hydration of MgO reaches a limited value at the age of ca. 6 years. The percentage of hydrated MgO permits the safe use of these cements, as for the long term unsoundness due to MgO hydration. © 1985.	en
heal.publisher	PERGAMON-ELSEVIER SCIENCE LTD	en
heal.journalName	Cement and Concrete Research	en
dc.identifier.doi	10.1016/0008-8846(85)90140-1	en
dc.identifier.isi	ISI:A1985ARU5400002	en
dc.identifier.volume	15	en
dc.identifier.issue	5	en
dc.identifier.spage	758	en
dc.identifier.epage	764	en