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Cleaning Technique for Repair Painting on a Weathering Steel Bridge

 Cleaning Technique for Repair Painting on a Weathering Steel Bridge
Autor(en): , ,
Beitrag für IABSE Conference: Structural Engineering: Providing Solutions to Global Challenges, Geneva, Switzerland, September 2015, veröffentlicht in , S. 1235-1242
DOI: 10.2749/222137815818358510
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A weathering steel bridge of the Kita-Kobe Route of the Hanshin Expressway exhibited severe salt adhesion and corrosion caused by salt water leaking through a narrow gap between parallel bridge. Th...
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Bibliografische Angaben

Autor(en): (Hanshin Expressway , JAPAN)
(Hanshin Expressway , JAPAN)
(Hanshin Expressway , JAPAN)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Conference: Structural Engineering: Providing Solutions to Global Challenges, Geneva, Switzerland, September 2015
Veröffentlicht in:
Seite(n): 1235-1242 Anzahl der Seiten (im PDF): 8
Seite(n): 1235-1242
Anzahl der Seiten (im PDF): 8
Jahr: 2015
DOI: 10.2749/222137815818358510
Abstrakt:

A weathering steel bridge of the Kita-Kobe Route of the Hanshin Expressway exhibited severe salt adhesion and corrosion caused by salt water leaking through a narrow gap between parallel bridge. The damage resulted in the formation of the poor and heavy rust on the constantly wet surfaces by the use of de-icing salt during winter. Although the current practice recommends shot- blast cleaning for repair painting on weathering steel, the technique has not been standardized due to lack of practical experiences. This study shows that an appropriate combination of power tool cleaning and shot-blast cleaning followed by water cleaning can achieve satisfactory cleaning results without affecting the primary painting.

Stichwörter:
wetterfester Baustahl

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