検査技術・診断(4)

[VI-353] Efforts to ensure the accuracy of PC grout filling surveys in actual bridges

Shuhei Sakai¹, Akihiro Noguchi¹, 〇Shigeki Ito², Hirotaka Ishiguro² (1.Central Nippon Expressway Company, 2.KAJIMA CORPORATION)

Keywords:grout survey, PC box girder bridge, wide range ultrasonic method, electromagnetic pulse method