構造物調査・診断 (4)

[V-469] Report on Steel Material Investigation of PC Box Girder Using High-Energy X-ray Generator

*Masahiro Koduka¹, Naofumi Inaba², Yoshiki Ishikawa², Shuichi Hasegawa³, Akio Sugita³, Jyouichi Kusano⁴ (1. Central Nippon Highway Engineering Nagoya Co., Ltd., 2. Central Nippon Expressway Company Limited , 3. The University of Tokyo, 4. NAT Corporation)

Keywords:High energy X-ray generator, Member thickness 50cm or more, grouting, Prestressed steel