[en] The objective of the paper is to analyze the effect of surface roughness and superficial microcracking upon dhesion of repair systems using concrete surface engineering approach. The results presented in this paper have been obtained within the framework of research projetcs performed to develop a better understanding of factors affecting the adhesion of repair materials through a surface engineering approach. Based on the results of investigations, the authors showed that the durability and quality of concrete repairs depend to a large degree on the characteristics of the substrate. Mechanical preparation and profiling of the concrete surface to be repaired has to be balanced with potential co-lateral effects such as superficial cracking, too often induced as a result of inappropriate concrete removal method selection, and the loss of benefits due to better mechanical anchorage. The results obtained confirm also that Concrete Surface Engineering, as a scientific concept, will definitely contribute to shed more light on how to optimize repair bond, taking into account interactions between materials at different observation scales.
Disciplines :
Civil engineering
Author, co-author :
Garbacz, Andrzej; Warsaw University of Technology
Courard, Luc ; Université de Liège - ULiège > Département Argenco : Secteur GeMMe > Matériaux de construction non métalliques du génie civil
Bissonnette, Benoît; Université Laval > Département de Génie Civil
Language :
English
Title :
A surface engineering approach applicable to concrete repair engineering
Publication date :
2013
Journal title :
Bulletin of the Polish Academy of Sciences: Technical Sciences
ISSN :
0239-7528
eISSN :
2300-1917
Publisher :
Polska Akademia Nauk, Poland
Volume :
61
Issue :
1
Pages :
73-84
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
WBI - Wallonie-Bruxelles International MNiSW - Polska Ministry of Science and Higher Education MRIFCE - Gouvernement du Québec. Ministère des Relations internationales et de la Francophonie
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