Influence of clay in limestone fillers for self compacting cement based composites

[en] High workability together with a good resistance to segregation is needed for cement based composites, specifically fresh Self-Compacting Mortars (SCM); in this prospect, the amount of coarse materials has to be reduced and replaced by fine material. Several limestone fillers are here compared and analysed. These by-products are issued from different industrial sectors, such as the aggregate and lime production industry (quarrying operations) and the ornamental stones industry (sawing operations). Particular attention has been paid to clay content, as consistency of fresh mortars was varying, while other physical characteristics like granulometry remained the same. Relationship between the physico-chemical properties of the fillers and the properties of fresh and hardened mortars are brought forward. Even if it may affect fresh properties of mortars, results clearly show that clay type and content has minor influence than limestone filler itself.

Disciplines :

Civil engineering

Author, co-author :

Courard, Luc ; Université de Liège - ULiège > Département Argenco : Secteur GeMMe > Matériaux de construction non métalliques du génie civil

Michel, Frédéric ; Université de Liège - ULiège > Département Argenco : Secteur GeMMe > Matériaux de construction non métalliques du génie civil

Piérard, Julie

Language :

English

Title :

Influence of clay in limestone fillers for self compacting cement based composites

Publication date :

2011

Journal title :

Construction and Building Materials

ISSN :

0950-0618

eISSN :

1879-0526

Publisher :

Elsevier Science, Oxford, United Kingdom

Volume :

Pages :

1356-1361

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 03 August 2010

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Bibliography

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