品質管理 (5)

[VI-665] Application of a quality control method based on the amount of air bubbles on the surface of concrete structures

*Naoki Takahashi¹, Yoshihiro Hirasawa¹, Hirohiko Kusaka², Kazuhiro Tsuno³ (1. Fujita Corporation, 2. East Nippon Expressway Company Limited, 3. Kokushikan University)

Keywords:surface quality, amount of air bubbles, bubble distribution, quality evaluation, air permeability coefficient