Fatigue life of girders with trapezoidal corrugated webs

Richard Sause, Hassan H. Abbas, Robert G. Driver, Kengo Anami, John W. Fisher

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Fatigue design criteria are necessary to design steel corrugated web girders for highway bridges. The paper presents research on the fatigue life of steel bridge I-girders with trapezoidal web corrugations. Eight large-scale test girders were fabricated from HPS 485W steel and fatigue-tested in four-point bending. The web-to-flange fillet welds were made using semiautomatic gas metal arc welding (GMAW) or robotic GMAW. Fatigue cracks initiated in the tension flange at the web-to-flange fillet weld toe along the inclined web folds and adjacent bend regions, and propagated in the flange. The results demonstrate that steel corrugated web I-girders exhibit a fatigue life that is longer than that of conventional steel I-girders with transverse stiffeners. For design of corrugated web I-girders, the Category B′ design curve of the AASHTO LRFD specifications is recommended for finite life fatigue design calculations, and a value of 96.5 MPa (14.0 ksi) is recommended for the constant amplitude fatigue limit.

Original languageEnglish
Article number012607QST
Pages (from-to)1070-1078
Number of pages9
JournalJournal of Structural Engineering
Volume132
Issue number7
DOIs
Publication statusPublished - 2006 Jul
Externally publishedYes

Fingerprint

Beams and girders
Steel
Fatigue of materials
Flanges
Gas metal arc welding
Welds
Highway bridges
Steel bridges
Robotics
Specifications

Keywords

  • Bridges, highway
  • Corrugating
  • Fatigue
  • Girders
  • Webs

ASJC Scopus subject areas

  • Building and Construction
  • Civil and Structural Engineering

Cite this

Fatigue life of girders with trapezoidal corrugated webs. / Sause, Richard; Abbas, Hassan H.; Driver, Robert G.; Anami, Kengo; Fisher, John W.

In: Journal of Structural Engineering, Vol. 132, No. 7, 012607QST, 07.2006, p. 1070-1078.

Research output: Contribution to journalArticle

Sause, Richard ; Abbas, Hassan H. ; Driver, Robert G. ; Anami, Kengo ; Fisher, John W. / Fatigue life of girders with trapezoidal corrugated webs. In: Journal of Structural Engineering. 2006 ; Vol. 132, No. 7. pp. 1070-1078.
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