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Fatigue Life Evaluation of Welded Structural Details in Steel Highway Bridge

Chitoshi MIKI

Abstract

Stresses in highway bridge members, fatigue crack propagation behavior and long life fatigue strength properties of welded members under traffic loadings and prediction of fatigue life by using fracture mechanics concept were studied. Through the parametric analysis on the fatigue life, one method to establish fatigue design curves for highway bridges is proposed.

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Key concepts: Structural engineering, Welding, Bridge (graph theory), Fatigue limit, Parametric statistics, Fracture mechanics, Engineering, Materials science