Article (Scientific journals)
Influence of the reuse of OSB and marine plywood formworks on concrete surface aesthetics
Courard, Luc; Martin, Marie; Goffinet, Cécile et al.
2012In Materials and Structures, 45 (9), p. 1331-1343
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Keywords :
concrete; aesthetics; formwork; colour; lightness; reuse; plywood; OSB; wear; alkali
Abstract :
[en] Concrete surface quality becomes more and more important because aesthetics requirements tend to spread over a wide variety of construction works. Even if it is difficult to clearly define what is beautiful or not, existing techniques maybe used to quantify aesthetic properties of concrete. As they mainly depend on formwork, the research project focuses on the reuse of two types of panels – plywood and OSB – and two types of release agents – vegetal and mineral oils. Evolution of surface properties is measured through lightness and absorption. For plywood formworks, beyond 80 reuses, a modification of surface quality is noticed; this is only 50 for OSB panels. For both types of formworks, the release oil doesn’t seem to have a major influence on formwork absorption. It is also observed that alkalis cause early degradation of the panels: release agents are not always efficient to avoid this phenomenon. Finally, if reuse doesn’t have any influence on the absorption of the plywood formworks, it is not the case for OSB formworks.
Disciplines :
Civil engineering
Author, co-author :
Courard, Luc  ;  Université de Liège - ULiège > Département Argenco : Secteur GeMMe > Matériaux de construction non métalliques du génie civil
Martin, Marie;  Belgian Construction Certification Association
Goffinet, Cécile;  Université de Liège - ULiège
Migeotte, Nathalie;  Université de Liège - ULiège
Pierard, Julie;  Belgian Building Research Institute
Pollet, Valérie;  Belgian Building Research Institute
Language :
English
Title :
Influence of the reuse of OSB and marine plywood formworks on concrete surface aesthetics
Publication date :
2012
Journal title :
Materials and Structures
ISSN :
1359-5997
eISSN :
1871-6873
Publisher :
Springer, Dordrecht, Netherlands
Volume :
45
Issue :
9
Pages :
1331-1343
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
DGTRE - Région wallonne. Direction générale des Technologies, de la Recherche et de l'Énergie [BE]
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