混和剤 (2)

[V-394] Changes in Fresh Properties Over Time of Concrete using Slump Retaining Type Admixture

*Shinichi Koizumi¹, Takumi Sugamata¹, Nobuaki Ago¹, Akira Hosoda², Saeka Fujioka³, Kenzo Watanabe³, Shuji Yanai³, Tatsuya Tsutsui⁴ (1. Pozzolith Solutions, 2. Yokohama National University, 3. Kajima Corporation, 4. kokusaikigyou)

Keywords:Construction standards, Standard season, Fresh concrete, Slump, Retention, Setting time