Structural Reliability Analysis of Corroding Steel Bridges Using Random-Field Representation

Aryai, V, Mahmoodian, M, Ferdowski, N and Ariai, F 2018, 'Structural Reliability Analysis of Corroding Steel Bridges Using Random-Field Representation', in Maintenance, Safety, Risk, management and Life-Cycle Performance of Bridges, Melbourne, Australia, 9-13 July 2018, pp. 1770-1775.


Document type: Conference Paper
Collection: Conference Papers

Title Structural Reliability Analysis of Corroding Steel Bridges Using Random-Field Representation
Author(s) Aryai, V
Mahmoodian, M
Ferdowski, N
Ariai, F
Year 2018
Conference name 9th International Conference on Bridge Maintenance, Safety and Management 2018
Conference location Melbourne, Australia
Conference dates 9-13 July 2018
Proceedings title Maintenance, Safety, Risk, management and Life-Cycle Performance of Bridges
Publisher Taylor & Francis
Place of publication London, United Kingdom
Start page 1770
End page 1775
Total pages 6
Abstract The functional safety of steel bridges is of great importance for governments and infrastructure managers. This functionality is, however, affected by natural aging and environmental threads such as corrosion. Corrosion can play major role in steel bridge failure; mainly by reducing the thickness of bridge girders or by forming pits on the steel surface which consequently affects the structural integrity of the bridge. In this study, an innovative technique for representation of corrosion has been used when applying a multi-failure reliability analysis method. To this aim, the distribution of corrosion pits is modelled by a 2D random field and then, the generated surface is incorporated with a Monte-Carlo reliability analysis method to predict the service life of in-service steel bridge girders.
Subjects Structural Engineering
Infrastructure Engineering and Asset Management
Keyword(s) Steel bridge
random field
non-linear corrosion
serviceability prediction
Monte-Carlo simulation
Copyright notice © 2018 Taylor & Francis Group, London
ISBN 9781138730458
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