[Retracted] Nano-SiO₂ and PVA Fiber Synergistically Strengthened Concrete to Optimize the Antifreeze, Antipermeability, and Anticorrosion Performance of Roads

Table 2

Mix ratio of concrete.

Specimen number	Compound dosage of test materials (kg/m^3)
	Effective water-cement ratio	Cement	Effective water	Fine aggregate	Coarse aggregate	Additional water
NAC	0.5	380	190	518	921	6
BAC	0.5	380	190	491	873	79
CAC	0.5	380	190	513	912	50
SBAC	0.5	380	190	477	848	44
SCAC	0.5	380	190	512	910	37