Mechanical Properties Improvement Mechanism of Silica Fume-Modified Ultrafine Cement Used to Repair Pavement Microcracks

Table 3

Mixture proportioning of SF-modified UFC.

Sample	SF (%)	W/C	W/B	Expansion agent	Water-reducing agent
GC0	0	0.5	0.5	8	0.8
GC1	3	0.55	0.534	8	0.8
GC2	5	0.55	0.524	8	0.8
GC3	7	0.55	0.515	8	0.8
GC4	9	0.55	0.505	8	0.8
GC5	11	0.55	0.495	8	0.8