Deterioration of Hundred Years Old Coated Steel Bridges: Experimental Investigations | Chapter 11 | Research Aspects in Chemical and Materials Sciences Vol. 1

 Early in the nineteenth century, steel bridges were popular. To protect the buildings from consistent air degradation, lead-based coatings were used. These have proven excellent resistance to degradation over time. In general, the rivets that connected the structural components exhibited less corrosion than the steel pieces. The damage was concentrated in places directly affected by rainfall or water flux. Crater formation and exfoliation were only seen in a few places. Organic deposit enrichment enhanced humidity stability, which had a detrimental effect on steel conservation. In these conditions, the overall coating thickness decreased somewhat, and long-therm protection was no longer possible. Lead's content has a harmful environmental impact. As a result, during the removal and disposal of the pollution, restoration activities must take into consideration the contaminant's effect. The current study covers the primary deteriorating difficulties associated with historic steel bridges, which, on the whole, are still in pretty excellent condition.

Author(s) Details:

C. Paglia,
University of Applied Sciences of Southern Switzerland, DACD, 6850 Mendrisio, Switzerland.

S. Antonietti,
University of Applied Sciences of Southern Switzerland, DACD, 6850 Mendrisio, Switzerland.

C. Mosca,
University of Applied Sciences of Southern Switzerland, DACD, 6850 Mendrisio, Switzerland.

Please see the link here: https://stm.bookpi.org/RACMS-V1/article/view/7109