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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 108
PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping
Paper 48
Development and Prediction of Corrosion Processes on Weathering Steel Structures V. Urban1, V. Krivy1 and K. Kreislova2
1Department of Building Structures, Faculty of Civil Engineering, VSB-Technical University Ostrava, Czech Republic
V. Urban, V. Krivy, K. Kreislova, "Development and Prediction of Corrosion Processes on Weathering Steel Structures", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 48, 2015. doi:10.4203/ccp.108.48
Keywords: weathering steel, corrosion, patina, corrosion rates, prediction model.
Summary
This paper deals with a program of experimental atmospheric corrosion tests on weathering steel structures. This program was designed as a long-term project. The main goal of the project is the study of corrosion processes at different structural elements of supporting structures of bridges. Measurements of corrosion losses and average thicknesses of corrosion products are carried out within this program. The protective ability of corrosion products is evaluated using X-ray diffraction analysis. The paper presents the results of corrosion tests after one year of exposure of the corrosion specimens. The results from the tests show that corrosion losses of weathering steels are significantly conditioned by position and location of the exposed surface within the structure.
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