Research on Properties of High-Performance Cement Mortar for Semiflexible Pavement

Table 4

Factor level of HPCM.

Factor level	A: Water-binder ratio (W/B)	B: Content of mineral powder (%)	C: Sand-binder ratio	D: UEA expansion admixture content (%)	E: polycarboxylate superplasticizer content (%)	F: accelerating admixture content (%)
1	0.45	10	0.15	0	0	0
2	0.5	15	0.2	4	0.5	0.5
3	0.55	20	0.25	8	1	1