A riveted steel truss bridge on the Union Pacific Railroad in Nevada was considered for load rating and estimation of remaining fatigue life. An Association of American Railroads (AAR) computer program was modified to rate bridges under any type of loading and to save member load time histories caused by the passage of trains. A model based on Miner's rule and stress category D for riveted connections was chosen to estimate the remaining fatigue life. Stress values in five members of the bridge exceeded the endurance limit under train loading; life of these critical members will be reduced due to the proposed increase in the train traffic.


  • English

Media Info

  • Features: Figures; References;
  • Pagination: p. 63-66

Subject/Index Terms

Filing Info

  • Accession Number: 00799217
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Sep 19 2000 12:00AM