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

Table 4

Strength of SF-modified UFC (MPa).

Category	1 day		3 days		7 days		28 days
	Bending	Compressive	Bending	Compressive	Bending	Compressive	Bending	Compressive
GC0	4.18	20.78	4.45	22.69	4.50	23.85	6.95	41.67
GC1	4.83	17.14	4.90	30.73	6.47	38.65	8.03	45.31
GC2	4.80	16.67	4.85	31.41	6.30	36.87	8.13	44.69
GC3	5.23	18.33	5.37	29.48	6.07	37.08	7.72	36.88
GC4	4.40	20.00	6.17	29.84	5.73	31.41	7.48	41.61
GC5	5.13	19.01	5.73	29.06	6.63	35.36	7.63	40.68