Reactivity and expansion of electric arc furnace slag in their application in construction

EAF-slag have adequate technical properties for its use as aggregates. The MgO content is the main responsable of the expansions. The expansion produced affect in different way the new material depending of the rigidity of the matrices formed. EAF-slag shows hidraulicity and forms as reaction produc...

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Main Authors: E. Vázquez Ramonich, M. Barra
Format: Article
Language:English
Published: Consejo Superior de Investigaciones Científicas 2001-12-01
Series:Materiales de Construccion
Online Access:http://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/359
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spelling doaj-bff06b1cc2d945a2ae1e9876a6b392d12021-05-05T07:36:33ZengConsejo Superior de Investigaciones CientíficasMateriales de Construccion0465-27461988-32262001-12-0151263-26413714810.3989/mc.2001.v51.i263-264.359342Reactivity and expansion of electric arc furnace slag in their application in constructionE. Vázquez Ramonich0M. Barra1Univ. Politécnica de CataluñaUniv. Politécnica de CataluñaEAF-slag have adequate technical properties for its use as aggregates. The MgO content is the main responsable of the expansions. The expansion produced affect in different way the new material depending of the rigidity of the matrices formed. EAF-slag shows hidraulicity and forms as reaction products CSH, calcium aluminiunsilicates and amorphous phases that can increase the strength of concretes containing slags. The Le Chatelier , autoclave expansion and volume expansion tests can not be used in detecting the potential expansion of slag when used as aggregate in rigid matrix (concrete). Two new methods of measuring the potential expansion of EAF-slag are proposed.http://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/359
collection DOAJ
language English
format Article
sources DOAJ
author E. Vázquez Ramonich
M. Barra
spellingShingle E. Vázquez Ramonich
M. Barra
Reactivity and expansion of electric arc furnace slag in their application in construction
Materiales de Construccion
author_facet E. Vázquez Ramonich
M. Barra
author_sort E. Vázquez Ramonich
title Reactivity and expansion of electric arc furnace slag in their application in construction
title_short Reactivity and expansion of electric arc furnace slag in their application in construction
title_full Reactivity and expansion of electric arc furnace slag in their application in construction
title_fullStr Reactivity and expansion of electric arc furnace slag in their application in construction
title_full_unstemmed Reactivity and expansion of electric arc furnace slag in their application in construction
title_sort reactivity and expansion of electric arc furnace slag in their application in construction
publisher Consejo Superior de Investigaciones Científicas
series Materiales de Construccion
issn 0465-2746
1988-3226
publishDate 2001-12-01
description EAF-slag have adequate technical properties for its use as aggregates. The MgO content is the main responsable of the expansions. The expansion produced affect in different way the new material depending of the rigidity of the matrices formed. EAF-slag shows hidraulicity and forms as reaction products CSH, calcium aluminiunsilicates and amorphous phases that can increase the strength of concretes containing slags. The Le Chatelier , autoclave expansion and volume expansion tests can not be used in detecting the potential expansion of slag when used as aggregate in rigid matrix (concrete). Two new methods of measuring the potential expansion of EAF-slag are proposed.
url http://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/359
work_keys_str_mv AT evazquezramonich reactivityandexpansionofelectricarcfurnaceslagintheirapplicationinconstruction
AT mbarra reactivityandexpansionofelectricarcfurnaceslagintheirapplicationinconstruction
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