• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 27 Issue 3
May  2014
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Article Contents
MIAO Changqing, WEI Tinghua, WANG Yichun, WANG Man. Corrosion Rate Test of Cable Wires of Large Span Bridge[J]. Journal of Southwest Jiaotong University, 2014, 27(3): 513-518. doi: 10.3969/j.issn.0258-2724.2014.03.022
Citation: MIAO Changqing, WEI Tinghua, WANG Yichun, WANG Man. Corrosion Rate Test of Cable Wires of Large Span Bridge[J]. Journal of Southwest Jiaotong University, 2014, 27(3): 513-518. doi: 10.3969/j.issn.0258-2724.2014.03.022

Corrosion Rate Test of Cable Wires of Large Span Bridge

doi: 10.3969/j.issn.0258-2724.2014.03.022
  • Received Date: 23 Feb 2013
  • Publish Date: 25 Jun 2014
  • In order to explore the corrosion law of large span bridge cables, cylindrical corrosion electrodes were prepared according to the actual corrosion state of bridge cable wires, and the electrochemical corrosion rate of the high strength-steel wires were investigated by orthogonal experiment design and electrochemical experiments. The influence of temperature, salinity, pH value, and their interaction on steel corrosion rate were studied through intuitive analysis and variance analysis of the test results. The result shows that the environmental impact factors can be ordered descendingly by their importance in affecting the corrosion rate of cable wires as NaCl concentration > temperature > interaction between temperature and pH value > pH value > interaction between temperature and NaCl concentration > interaction between NaCl concentration and pH value. In addition, temperature and NaCl concentration bear a monotonic relationship with the corrosion rate and pH value bears a nonmonotonic relationship with the corrosion rate.

     

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