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Sustainable and environmentally friendly zinc coatings for protecting steel bridges in Europe

 Sustainable and environmentally friendly zinc coatings for protecting steel bridges in Europe
Author(s): , , ,
Presented at IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021, published in , pp. 133-140
DOI: 10.2749/ghent.2021.0133
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Metallic zinc coatings are well established as cost-effective corrosion protection for steel bridges. The zinc coating acts first as barrier protection, isolating the base steel from corrosive elem...
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Bibliographic Details

Author(s): (International Zinc Association, Brussels, Belgium)
(International Zinc Association, Durham, NC, USA)
(International Zinc Association, Durham, NC, USA)
(Grillo-Werke, Duisburg, Germany)
Medium: conference paper
Language(s): English
Conference: IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021
Published in:
Page(s): 133-140 Total no. of pages: 8
Page(s): 133-140
Total no. of pages: 8
DOI: 10.2749/ghent.2021.0133
Abstract:

Metallic zinc coatings are well established as cost-effective corrosion protection for steel bridges. The zinc coating acts first as barrier protection, isolating the base steel from corrosive elements, and secondly by cathodic protection, acting as a sacrificial anode to protect the steel should the coating be compromised. Bridge operators can be confronted by disproportional high maintenance costs for bridges in use as removal of (in)organic paint systems with hazardous and toxic compounds require expensive waste disposal and environmental protection measures. Metallic zinc coatings are recognized as environmentally friendly, sustainable, and low maintenance, providing the lowest life cycle cost corrosion protection. Various case studies with bridges protected with metallic zinc coatings in and outside Europe are illustrated.

Keywords:
sustainability durability corrosion zinc hot dip galvanizing Thermal sprayed zinc Zinc-rich paint
Copyright: © 2021 International Association for Bridge and Structural Engineering (IABSE)
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