Sensitivity of Dose-response Function for Carbon Steel under Various Conditions in Slovakia

Degradation of materials, especially reinforcement in the reinforced concrete members, is very important phenomenon not only in the traffic infrastructure network. Here can raise the question, how high is the corrosivity of atmosphere in various areas in Slovakia and how the variability of climatic parameters affects the corrosion rate rcorr. The first annual corrosion rate of carbon steel is possible to calculate according to dose-response function described in the actual standard EN ISO 9223. The dose-response function is relatively complicated formula, which contains mathematical expressions like exponential-function or power-function. So, it is difficult to assume which one of the four input parameters, like temperature T, relative humidity Rh, content of chloride ions Cl- or sulphur dioxide SO2 has higher sensitivity on the corrosion rate calculated from the function. The paper is focused on the sensitivity analysis of dose-response function in the range of input parameters monitored by Slovak hydrometeorogical institute and the effect of spraying or splashing transport mechanisms of de-icing salt was observed, as well.

Language

  • English

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 01716960
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Aug 2 2019 3:22PM