Effect of Nanosilica on the Fresh Properties of Cement-Based Grouting Material in the Portland-Sulphoaluminate Composite System

Table 4

Mix proportion of different cement mortars with different NS particle size.

NS (wt%)	W/B	Mixture components
		Water (mL)	P·O42.5 (g)	R·SAC42.5 (g)	Sand (g)	NS (g)	SP (g)
0	0.35	87.5	160	90	500	—	5
0.5	0.35	87.5	158.75	90	500	1.25	5
1.0	0.35	87.5	157.5	90	500	2.5	5
1.5	0.35	87.5	156.25	90	500	3.75	5
2.0	0.35	87.5	155	90	500	5	5
2.5	0.35	87.5	153.75	90	500	6.25	5
3.0	0.35	87.5	152.5	90	500	7.5	5
3.5	0.35	87.5	151.25	90	500	8.75	5
4.0	0.35	87.5	150	90	500	10	5
4.5	0.35	87.5	148.75	90	500	11.25	5
5.0	0.35	87.5	147.5	90	500	12.5	5