Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/28165
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dc.contributor.authorGIJBELS, Katrijn-
dc.contributor.authorIacobescu, Remus Ion-
dc.contributor.authorPontikes, Yiannis-
dc.contributor.authorSCHREURS, Sonja-
dc.contributor.authorSCHROEYERS, Wouter-
dc.date.accessioned2019-05-07T11:58:47Z-
dc.date.available2019-05-07T11:58:47Z-
dc.date.issued2019-
dc.identifier.citationCONSTRUCTION AND BUILDING MATERIALS, 215, p. 371-380-
dc.identifier.issn0950-0618-
dc.identifier.urihttp://hdl.handle.net/1942/28165-
dc.description.abstractThe effect of phosphogypsum (PG) in alkali-activated ground granulated blast furnace slag (GGBFS) on the reactivity, strength development and final matrix properties was investigated, as a function of alkali activator. The results were compared with alkali-activated reference samples from GGBFS. PG completely dissolves and takes part in solid reaction product formation. Upon PG incorporation, portlandite and ettringite are initially formed after dissolution. The hardened binder consists mainly of amorphous hydration products, intermixed with thenardite and minor amounts of secondary gypsum and merwinite. PG incorporation resulted in faster initial and delayed final setting time, while it enhanced the compressive strength and amorphous phase development when sodium hydroxide was used. PG gave rise to a decrease of Al/Si and Ca/Si ratios in the C-A-S-H gels and a higher polymerized network.-
dc.description.sponsorshipThis work was supported by the fund for scientific research Flanders (FWO) hosted by the University of Hasselt and the University of Leuven. The authors would like to acknowledge the networking support of the COST Action TU1301, www.norm4building.org.-
dc.language.isoen-
dc.rights2019 Elsevier Ltd. All rights reserved.-
dc.subject.otherSuper-sulphated cement; Alkali-activated binder; Ground granulated blast furnace slag; Phosphogypsum; Hydration; Building material-
dc.titleAlkali-activated binders based on ground granulated blast furnace slag and phosphogypsum-
dc.typeJournal Contribution-
dc.identifier.epage380-
dc.identifier.spage371-
dc.identifier.volume215-
local.bibliographicCitation.jcatA1-
dc.description.notesGijbels, K (reprint author), Hasselt Univ, CMK, Nucl Technol Ctr, Agoralaan, Gebouw H, B-3590 Diepenbeek, Belgium. katrijn.gijbels@uhasselt.be; remusion.iacobescu@kuleuven.be; yiannis.pontikes@kuleuven.be; sonja.schreurs@uhasselt.be; wouter.schroeyers@uhasselt.be-
local.type.refereedRefereed-
local.type.specifiedArticle-
dc.identifier.doi10.1016/j.conbuildmat.2019.04.194-
dc.identifier.isi000474322400033-
item.accessRightsOpen Access-
item.contributorGIJBELS, Katrijn-
item.contributorIacobescu, Remus Ion-
item.contributorPontikes, Yiannis-
item.contributorSCHREURS, Sonja-
item.contributorSCHROEYERS, Wouter-
item.fullcitationGIJBELS, Katrijn; Iacobescu, Remus Ion; Pontikes, Yiannis; SCHREURS, Sonja & SCHROEYERS, Wouter (2019) Alkali-activated binders based on ground granulated blast furnace slag and phosphogypsum. In: CONSTRUCTION AND BUILDING MATERIALS, 215, p. 371-380.-
item.validationecoom 2020-
item.fulltextWith Fulltext-
crisitem.journal.issn0950-0618-
crisitem.journal.eissn1879-0526-
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