Presentation Information
[12PM1-Do-01]Study on Fatigue Strength Improvement Methods for the Welded Joint between Upper Flange and Web of Main Girders in Steel I-Girder Bridges
*Takeshi Ominami1, Shigeyuki Hirayama1, Daisuke Uchida2, Hiroshi Shimanuki3, Junki Maeda4 (1. Shutoko Technology Center, 2. Hosei University, 3. NIPPON STEEL, 4. Metropolitan Expressway)
Keywords:
Steel I-Girder Bridge,fatigue crack,web gap plate,Ultrasonic Impact Treatment(UIT)