Table 3 Mix ratio of hybrid-fiber-reinforced concrete.
Strength grade | Water-to-binder ratio | Cement/ kg m−3 | Admixture/kg m−3 | Basalt gravel/ kg m−3 | Percentage of sand/% | PVA content/ % | PPTF content/ % |
|---|---|---|---|---|---|---|---|
HFRC 60 | 0.28 | 410 | 130 | 1121.5 | 36 | 0.084 | 0.549 |
HFRC 70 | 0.27 | 420 | 140 | 1111.0 | 36 | 0.084 | 0.549 |
HFRC 80 | 0.26 | 430 | 155 | 1096.3 | 36 | 0.084 | 0.549 |