混和剤 (2)

[V-564] Changes in Fresh Properties Over Time of Hot Weather Concrete Over 35 degree C using Slump Retaining Type Admixture

*Shinichi Koizumi¹, Takumi Sugamata¹, Nobuaki Ago¹, Akira Hosoda², Haruka Mori², Ryoichi Ashizawa³, Masae Ohashi³, Kenzo Watanabe³, Shuji Yanai³, Tatsuya Tsutsui⁴ (1. Pozzolith Solutions, 2. Yokohama National University, 3. Kajima Corporation, 4. Kokusaikigyou)

Keywords:Construction standards, Hot weather concreting, Scorching heat season, Slump-retaining type admixture, Slump retention, Setting retardation