Article (Scientific journals)
Surface analysis of mineral substrates for repair works: roughness evaluation by profilometry and surfometry analysis
Courard, Luc; Nélis, Marc
2003In Magazine of Concrete Research, 55 (4), p. 355-366
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Keywords :
concret; roughness; profilometry; surface parameters
Abstract :
[en] Existing concrete surfaces need to be roughened to a profile necessary to achieve mechanical interlock with repair material. Surface mechanical morphometry is based on the measurement of surface profile - profilometry - which can be extended to 3D representation with surfometry by means of a stylus registering the profile. Profilometry and surfometry analysis enables the quantification of the profile by means of statistical and amplitude parameters lcalculated from the total profile of the surface (the waviness (lower frequencies) and roughness (higher frequencies) profiles). These parameters have been used to compare sandblasted and polished concrete surfaces. Arithmetic mean of the pro le and flatness coefficient are particularly discriminant. Bearing ratio and Abbott curve observations are also useful for clear and simple characterisation of surface profiles. Moreover, this investigation led to the calculation of the specific length of the profile and the Wenzel's coefficient.
Disciplines :
Civil engineering
Materials science & engineering
Author, co-author :
Courard, Luc  ;  Université de Liège - ULiège > Département Argenco : Secteur GeMMe > Matériaux de construction non métalliques du génie civil
Nélis, Marc
Language :
English
Title :
Surface analysis of mineral substrates for repair works: roughness evaluation by profilometry and surfometry analysis
Publication date :
August 2003
Journal title :
Magazine of Concrete Research
ISSN :
0024-9831
eISSN :
1751-763X
Publisher :
Thomas Telford Services Ltd, London, United Kingdom
Volume :
55
Issue :
4
Pages :
355-366
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 29 July 2009

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