構造物調査・診断 (4)

[V-470] Environmental measurement in the ducts and evaluation of tendons corrosion in post-tensioned PC bridge

*Shoji Nojima¹, Makoto Muranaka², Kensaku Ishibashi³, Satoshi Takaya⁴ (1. Oriental Shiraishi Corporation, 2. Central Nippon Expressway Company Limited, 3. Central-NEXCO Technical Marketing Company Limited, 4. Kyoto University)

Keywords:PC grout, poor grout, corrosion of tendon, void of steel sheath, environmental measurement