Table 4 Concrete mix design for PSFC I-Beams.
From: Shear Strength of Prestressed Steel Fiber Concrete I-Beams
Component (kg/m3) | R1 and R5 | R2 | R3 | R4 and R6 |
|---|---|---|---|---|
Cement | 364.0 | 364.0 | 364.0 | 364.0 |
Fly ash | 121.5 | 121.5 | 121.5 | 121.5 |
Cementitious material | 485.6 | 485.6 | 485.6 | 485.6 |
Water | 146.3 | 146.3 | 146.3 | 146.3 |
Water/cement ratio (w/c) | 0.4 | 0.4 | 0.4 | 0.4 |
Water/cementitious ratio | 0.3 | 0.3 | 0.3 | 0.3 |
Coarse aggregate (CA) | 1125.1 | 1125.1 | 1125.1 | 1125.1 |
Fine aggregate (FA) | 596.5 | 596.5 | 596.5 | 596.5 |
CA/FA ratio | 1.88 | 1.88 | 1.88 | 1.88 |
HRWR/superplastisizer (gm/100Â kg) | 688 | 688 | 688 | 688 |
Fibers | 39.5 LF | 79 SF | 118.5 SF | 119 SFÂ +Â 39.5 LF |
Retarder (gm/100Â kg) | 250 | 250 | 250 | 250 |