• 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 28 Issue 6
Dec.  2015
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Article Contents
CUI Chuang, LIU Yiming, LIAO Guixing, ZHANG Qinghua, BU Yizhi. Fatigue Evaluation Approaches of Welded Joints on Orthotropic Steel Bridge Deck[J]. Journal of Southwest Jiaotong University, 2015, 28(6): 1011-1017. doi: 10.3969/j.issn.0258-2724.2015.06.006
Citation: CUI Chuang, LIU Yiming, LIAO Guixing, ZHANG Qinghua, BU Yizhi. Fatigue Evaluation Approaches of Welded Joints on Orthotropic Steel Bridge Deck[J]. Journal of Southwest Jiaotong University, 2015, 28(6): 1011-1017. doi: 10.3969/j.issn.0258-2724.2015.06.006

Fatigue Evaluation Approaches of Welded Joints on Orthotropic Steel Bridge Deck

doi: 10.3969/j.issn.0258-2724.2015.06.006
  • Received Date: 23 Dec 2014
  • Publish Date: 25 Dec 2015
  • The traditional fatigue evaluation approach for orthotropic steel bridge deck is not sufficiently accurate. To accurately evaluate the fatigue properties of welded joints on a orthotropic steel bridge deck, the validities and accuracies of the structural stress method and the notch stress method were investigated based on the liner cumulative damage theory. By taking a typical orthotropic steel bridge deck as an investigated subject, the evaluation methods were discussed by a full-scale segment model test and numerical analysis, and they were verified by the data from the existing full-scale model fatigue tests. The research results indicate that compared with the structural stress method, the notch stress method and the traditional fatigue evaluation approach have high data scatters. The structural stress method may be suitable to the fatigue evaluation of welded joints on a orthotropic steel bridge deck under the condition that the data scatter of a master S-N curve is three times of standard deviation.

     

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