Mineralogical composition of EAF slag and stabilised AOD slag aggregates and dimensional stability of slag aggregate concretes

被引：65

作者：

Adegoloye, G. ^{[1
]}

Beaucour, A. -L. ^{[1
]}

Ortola, S. ^{[2
]}

Noumowe, A. ^{[1
]}

机构：

[1] Univ Cergy Pontoise, Lab Mecan & Mat Gen Civil, EA 4114, F-95000 Cergy Pontoise, France

[2] Univ Paris Ouest Nanterre Def, LEME, EA4416, 50 Rue Sevres, F-92410 Ville Davray, France

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2016年 / 115卷

关键词：

Stainless steel slag; EAF slag; Stabilised AOD slag; Coarse aggregates; Concrete; Mineralogical composition; Expansion; Ultraviolet lamp; ARC FURNACE SLAG; STEEL SLAG; MECHANICAL-PROPERTIES; DURABILITY; PRODUCTS; VOLUME;

D O I：

10.1016/j.conbuildmat.2016.04.036

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

An interesting valorisation way of EAF slag and stabilised AOD slag is their use as aggregates in concrete. Mineralogical studies of these steel slags are therefore necessary. In this study, observations of slag aggregates under UV light are associated with usual mineralogical analyses (XRD, SEM and EDS) to ensure more representative results of the mineralogical variability within slag aggregates. Relationships between aggregate mineral composition and UV fluorescence colours are proposed. Mineralogical studies also show that the stainless steel slag contains low amounts of expansive mineral phases (free CaO, free MgO) that could affect concrete volume stability. To verify this finding, swelling measurements of high strength concretes made of EAF slag and stabilised AOD slag aggregates are carried out. The linear expansion of stainless steel slag concretes is slightly higher than that measured for concretes with silicocalcareous aggregates. (c) 2016 Elsevier Ltd. All rights reserved.

引用

页码：171 / 178

页数：8

共 25 条

[1] Performance of concrete mixtures made with electric arc furnace (EAF) steel slag aggregate produced in the Arabian Gulf region [J].

Abu-Eishah, Samir I. ;

El-Dieb, Amr S. ;

Bedir, Mostafa S. .

CONSTRUCTION AND BUILDING MATERIALS, 2012, 34 :249-256

[2] Concretes made of EAF slag and AOD slag aggregates from stainless steel process: Mechanical properties and durability [J].

Adegoloye, G. ;

Beaucour, A. -L. ;

Ortola, S. ;

Noumowe, A. .

CONSTRUCTION AND BUILDING MATERIALS, 2015, 76 :313-321

[3] Influence of particle size on the carbonation of stainless steel slag for CO2 storage [J].

Baciocchi, Renato ;

Costa, Giulia ;

Polettini, Alessandra ;

Pomi, Raffaella .

GREENHOUSE GAS CONTROL TECHNOLOGIES 9, 2009, 1 (01) :4859-4866

[4] Effect of coarse aggregate quality on the mechanical properties of high strength concrete [J].

Beshr, H ;

Almusallam, AA ;

Maslehuddin, M .

CONSTRUCTION AND BUILDING MATERIALS, 2003, 17 (02) :97-103

[5] Interpretation of expansion curves of concrete subjected to accelerated alkali-aggregate reaction (AAR) tests [J].

Carles-Gibergues, A ;

Cyr, M .

CEMENT AND CONCRETE RESEARCH, 2002, 32 (05) :691-700

[6] Effects of the presence of free lime nodules into concrete: Experimentation and modelling [J].

Courard, Luc ;

Degee, Herve ;

Darimont, Anne .

CEMENT AND CONCRETE RESEARCH, 2014, 64 :73-88

[7] Properties of concrete using metallurgical industrial by-products as aggregates [J].

Etxeberria, M. ;

Pacheco, C. ;

Meneses, J. M. ;

Berridi, I. .

CONSTRUCTION AND BUILDING MATERIALS, 2010, 24 (09) :1594-1600

[8]

Huaiwei Z., 2011, RESOUR CONSERV RECY, V55, P745, DOI DOI 10.1016/j.resconrec.2011.03.005

[9] Effect of mechanical activation on the hydraulic properties of stainless steel slags [J].

Kriskova, Lubica ;

Pontikes, Yiannis ;

Cizer, Ozlem ;

Mertens, Gilles ;

Veulemans, Wout ;

Geysen, Daneel ;

Jones, Peter Tom ;

Vandewalle, Lucie ;

Van Balen, Koen ;

Blanpain, Bart .

CEMENT AND CONCRETE RESEARCH, 2012, 42 (06) :778-788

[10] Electric arc furnace slag in concrete [J].

Manso, JM ;

Gonzalez, JJ ;

Polanco, JA .

JOURNAL OF MATERIALS IN CIVIL ENGINEERING, 2004, 16 (06) :639-645

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