Corrosion is recognized as the most significant degradation effect of the structural steel. This degradation process is affecting the cross-sectional and structural element resistance and deformation parameters of structure. To estimate the speed of corrosion loss in the case of steel plates, rapid test in corrosion chamber were done. Such measurements have their significance, however for their evaluation and confrontation with the results measured in situ much more data from corrosion processes observed in actual environment are still needed. Therefore, the paper also presents the results of first round of experimental measurement of corrosion losses carried out on specimens of structural steel placed on several bridge structures built in different places. Effects of local microclimate factors on corrosion process resulting from the type of bridge structures or their individual elements is pointed. To underline justification of experimental program, the influence of corrosion on flexural load-carrying capacity of three chosen structural elements from bridges in service is presented, as well.
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Odrobiňák et al. (2018) studied this question.
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