混和剤 (2)

[V-565] Effect of slump-retaining type admixture on the surface of placing on consolidated fresh concrete when the concrete temperature exceeds 35℃

*Ryouichi Ashizawa¹, Masae Ohashi¹, Kenzo Watanabe¹, Shuji Yanai¹, Akira Hosoda², Haruka Mori², Takumi Sugamata³, Shinichi Koizumi³, Nobuaki Ago³, Tatuya Tutui⁴ (1. Kajima Corporation, 2. Yokohama National University, 3. Pozzolith Solutions, 4. kokusaikigyou)

Keywords:Hot Weather Concreting, scorching heat season, slump-retaining type admixture, placing on consolidated fresh concrete, cold joint