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

Table 5

28-day diffraction peaks (cps) of SF-modified UCF.

Specimens	Ca(OH)2		Aft	β-C2S	CaCO3	CaAl2Si2O8nH2O		Ca8Al4O14CO2n4H2O
	d = 2.63	d = 4.92	D = 9.83	D = 2.85	D = 3.04	d = 3.34	d = 4.27	d = 8.20	d = 4.10
GC0	612.33	666.33	136.00	138.33	166.68	388.33	56.67	135.00	78.33
GC1	586.68	531.68	143.33	133.33	156.68	571.67	91.67	123.33	91.67
GC2	558.83	526.68	145.00	151.68	146.68	443.33	91.67	116.67	86.67
GC3	550.00	556.68	136.00	151.68	143.68	648.33	88.33	125.00	76.67
GC4	543.33	496.68	136.68	146.68	148.33	220.00	65.00	116.67	63.33
GC5	538.33	508.36	136.65	143.33	136.68	316.67	76.67	106.67	75.00