Characterization of concrete surface in relation to graffiti protection coatings

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abstract

The removal of graffiti causes irreversible deterioration of fair-faced concrete. The protective products are often selected without counting the properties of concrete surface leading to its insufficient protection. Chemical and micro-structural effects of anti-graffiti products on the concrete surface were analyzed in relation to its protection efficiency against graffiti, paints. Contact angles and wetting envelope graphs were examined, allowing the understanding and prediction of wetting behavior of concrete surfaces. The obtained results revealed the changes on the concrete surface produced by graffiti, graffiti protection and graffiti removal products, showing the advantage of permanent protection coating over sacrificial one. (C) 2015 Elsevier Ltd. All rights reserved.

keywords

FREE-ENERGY

subject category

Construction & Building Technology; Engineering; Materials Science

authors

Neto, E; Magina, S; Camoes, A; Begonha, A; Evtuguin, DV; Cachim, P

our authors

foto Dmitry Evtyugin

Dmitry Evtyugin

Associate Professor with Aggregation
no photo

Paulo Barreto Cachim

Invited Full Professor
foto Sandra Pereira Magina

Sandra Pereira Magina

PhD Student

Groups

4 - Biorefineries, Biobased Materials and Recycling

acknowledgements

Authors are grateful to CICECO - Institute of Materials (Portugal) for the financing of this work within the scope of the FCT (Portugal) grant PEst-C/QUI/UI0062/2013. Authors also wish to thank MSc Bruno Araujo de Almeida from CICECO for the technical assistance in SEM/EDS analyses. The authors wish to acknowledge all the support provided by the Construction Materials Laboratory of the University of Minho.

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Publication Details

type
Journal Article
year
2016
journal
CONSTRUCTION AND BUILDING MATERIALS
volume
102
publisher
ELSEVIER SCI LTD
issn
0950-0618
digital object identifier
10.1016/j.conbuildmat.2015.11.012
web of science article identifier
WOS:000367635900050

Journal Metrics (JCR 2019)

Journal Impact Factor
4.419
Journal Impact Factor (5 yrs)
5.036
category normalized journal percentile
83.285

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