Articles | Volume 17, issue 8
Nat. Hazards Earth Syst. Sci., 17, 1393–1409, 2017
https://doi.org/10.5194/nhess-17-1393-2017

Special issue: Risk and uncertainty estimation in natural hazards

Nat. Hazards Earth Syst. Sci., 17, 1393–1409, 2017
https://doi.org/10.5194/nhess-17-1393-2017
Research article
11 Aug 2017
Research article | 11 Aug 2017

Vulnerability of bridges to scour: insights from an international expert elicitation workshop

Rob Lamb et al.

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Latest update: 08 Aug 2022
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Short summary
Scour (erosion) during floods can cause bridges to collapse. Modern design and maintenance mitigates the risk, so failures are rare. The residual risk is uncertain, but expert knowledge can help constrain it. We asked 19 experts about scour risk using methods designed to treat judgements alongside other scientific data. The findings identified knowledge gaps about scour processes and suggest wider uncertainty about scour risk than might be inferred from observation, models or experiments alone.
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