維持管理（耐荷性能）(1)

[I-279] Study on the bottom surface countermeasure for fatigue damage of rib-to-deck welded joints of orthotropic steel deck

〇Masafumi Hattori¹, Kazuo Tateishi², Takeshi Hanji², Masaru Shimizu² (1.Nippon Expessway Research Institute, 2.Nagoya University)

Keywords:Orthotropic steel deck, Fatigue crack, Maintenance, Bottom surface countermeasure, FEM