The use of black rice husk ash in concrete
Anh Tuan, Bui Le
The possibility of using black residual rice husk ash was investigated in this study. The black rice husk ash used was mostly amorphous silica and partially crystalline silica and its mean particle size of 12 µm. The black rice husk ash was applied in conventional concrete, self-consolidating concrete, high volume fly ash self consolidating concrete. The concretes were tested for both fresh and hardened stages, i.e. slump, slump flow, electric...