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Combination of mechanical and optical profilometry techniques for concrete surface roughness characterisation.

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Title: Combination of mechanical and optical profilometry techniques for concrete surface roughness characterisation.
Authors: Perez, F.1, Bissonnette, B.1, Courard, L.2
Source: Magazine of Concrete Research. Aug2009, Vol. 61 Issue 6, p389-400. 12p.
Subjects: Concrete & the environment, Finishes & finishing, Coating processes, Repairing, Retrofitting, Sustainable construction
Abstract: Achieving durable bond between new and old concrete still represents a challenge in concrete repair technology. It has been the subject of a number of investigations, but in most cases, only adhesion strength was addressed. To better understand bond mechanisms, in particular those related to surface roughness, two complementary surface characterisation techniques were implemented, providing a multiscale roughness characterisation by means of specific filtering calculations: mechanical profilometry for low-scale roughness and optical profilometry for the upscale roughness. Using these complementary approaches, different types of concrete surface preparation were characterised. The resulting description highlights the complexity of concrete surface topography. Moreover, it shows that the type of surface preparation essentially affects the meso- and macro-roughness levels, microroughness being practically insensitive. Such results will be useful for better understanding the interlocking potential and bond performance of concrete repairs. [ABSTRACT FROM AUTHOR]
Copyright of Magazine of Concrete Research is the property of Emerald Publishing Limited and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 44126271
AccessLevel: 6
PubType: Academic Journal
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  Data: <searchLink fieldCode="JN" term="%22Magazine+of+Concrete+Research%22">Magazine of Concrete Research</searchLink>. Aug2009, Vol. 61 Issue 6, p389-400. 12p.
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  Data: Achieving durable bond between new and old concrete still represents a challenge in concrete repair technology. It has been the subject of a number of investigations, but in most cases, only adhesion strength was addressed. To better understand bond mechanisms, in particular those related to surface roughness, two complementary surface characterisation techniques were implemented, providing a multiscale roughness characterisation by means of specific filtering calculations: mechanical profilometry for low-scale roughness and optical profilometry for the upscale roughness. Using these complementary approaches, different types of concrete surface preparation were characterised. The resulting description highlights the complexity of concrete surface topography. Moreover, it shows that the type of surface preparation essentially affects the meso- and macro-roughness levels, microroughness being practically insensitive. Such results will be useful for better understanding the interlocking potential and bond performance of concrete repairs. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Magazine of Concrete Research is the property of Emerald Publishing Limited and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1680/macr.2008.61.6.389
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 389
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      – SubjectFull: Concrete & the environment
        Type: general
      – SubjectFull: Finishes & finishing
        Type: general
      – SubjectFull: Coating processes
        Type: general
      – SubjectFull: Repairing
        Type: general
      – SubjectFull: Retrofitting
        Type: general
      – SubjectFull: Sustainable construction
        Type: general
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      – TitleFull: Combination of mechanical and optical profilometry techniques for concrete surface roughness characterisation.
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              M: 08
              Text: Aug2009
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              Y: 2009
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