Alternative calcium sulfate-bearing materials as cement retarders: Part I. Anhydrite

Tzouvalas, G; Dermatas, N; Tsimas, S

dc.contributor.author	Tzouvalas, G	en
dc.contributor.author	Dermatas, N	en
dc.contributor.author	Tsimas, S	en
dc.date.accessioned	2014-03-01T01:19:53Z
dc.date.available	2014-03-01T01:19:53Z
dc.date.issued	2004	en
dc.identifier.issn	0008-8846	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/15744
dc.subject	Anhydrite	en
dc.subject	Calcium sulfate	en
dc.subject	Cement hydration	en
dc.subject	Retardation	en
dc.subject	Setting	en
dc.subject.classification	Construction & Building Technology	en
dc.subject.classification	Materials Science, Multidisciplinary	en
dc.subject.other	Adsorption	en
dc.subject.other	Calcium compounds	en
dc.subject.other	Composition	en
dc.subject.other	Compressive strength	en
dc.subject.other	Hydration	en
dc.subject.other	Setting	en
dc.subject.other	Anhydrites	en
dc.subject.other	Calcium sulfate	en
dc.subject.other	Cement hydration	en
dc.subject.other	Cement retarders	en
dc.subject.other	Cements	en
dc.title	Alternative calcium sulfate-bearing materials as cement retarders: Part I. Anhydrite	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/j.cemconres.2004.03.020	en
heal.identifier.secondary	http://dx.doi.org/10.1016/j.cemconres.2004.03.020	en
heal.language	English	en
heal.publicationDate	2004	en
heal.abstract	The hydration process of cement pastes is of great importance to the physicomechanical properties of the hardened material. Thus, substances that regulate the setting of cement, such as natural anhydrite, have attracted significant scientific interest during the past years. This paper briefly describes the results of utilization of natural anhydrite in cement pastes of CEM-I and CEM-II types. The aim of the study has been to inquire the extent of natural gypsum replacement by natural anhydrite. The result of the hydration process has been expressed by the setting time and the compressive strength development, with respect to the SO3-2 content of each mixture. The experimental data conclude that natural anhydrite can be a very efficient retarder of the setting of cement, with no significant change in the physicomechanical properties of the hardened pastes. (C) 2004 Elsevier Ltd. All rights reserved.	en
heal.publisher	PERGAMON-ELSEVIER SCIENCE LTD	en
heal.journalName	Cement and Concrete Research	en
dc.identifier.doi	10.1016/j.cemconres.2004.03.020	en
dc.identifier.isi	ISI:000224474200020	en
dc.identifier.volume	34	en
dc.identifier.issue	11	en
dc.identifier.spage	2113	en
dc.identifier.epage	2118	en