維持管理（耐荷性能）(2)

[I-288] Material properties of a steel truss bridge built-up member passing 115 years since the completion

〇Miyoshi Takao¹, Kaname Iwatsubo², Toshikazu Takai³, Kazuya Tamada⁴ (1.National Institute of Technology, Akashi College, 2.National Institute of Technology, Kumamoto College, 3.Kyushu Institute of Technology, 4.National Institute of Technology, Maizuru College)

Keywords:Aged steel, Built-up member, Material properties