期刊
MATERIALS CHARACTERIZATION
卷 56, 期 4-5, 页码 281-289出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.matchar.2005.10.014
关键词
concrete structure; repair; surface treatment; surface geometry; bond strength
The aim of this work to analyse the relationships between parameters of concrete surface geometry determined with various methods as well as their relations to adhesion in repair systems. Several types of concrete preparation techniques were selected to obtain different levels of surface roughness of concrete substrates. Four measurement techniques, corresponding to different levels of observation, have been used to characterize the surface geometry: laser profilometry, mechanical profilometry, a microscopic method and a sand (macroscopic) method. The correlations between parameters describing surface geometry are determined. The relationships between bond strength and selected parameters of surface geometry are also discussed. (c) 2005 Elsevier Inc. All rights reserved.
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