Mechanical Properties Improvement Mechanism of Silica Fume-Modified Ultrafine Cement Used to Repair Pavement Microcracks
Table 1
Performance indicators of UFC.
Granularity (µm)
Cumulative (%)
Frequency (%)
Granularity (µm)
Cumulative (%)
Frequency (%)
100.0
0.0
0.0
7.0
23.6
16.6
Volume concentration = 2.42E−03%
80.0
0.0
0.0
5.0
40.2
16.9
= 5.35
63.0
0.0
0.0
3.5
57.1
6.4
D(3, 2) = 2.05 µm
50.0
0.0
0.0
3.0
63.5
6.7
D(v, 97%) = 0.41 µm
40.0
0.0
0.0
2.5
70.2
6.8
D(v, 95%) = 0.61 µm
28.0
0.0
0.2
2.0
77.0
6.8
D(v, 94%) = 0.70 µm
20.0
0.2
2.2
1.5
83.8
6.5
D(v, 5%) = 11.95 µm
14.0
2.4
7.1
1.0
90.4
5.8
D(v, 3%) = 13.41 µm
10.0
9.5
14.1
0.5
96.1
D(v, 10%) = 9.85 µm
D(v, 40%) = 5.02 µm
D(v, 70%) = 2.51 µm
D(v, 20%) = 7.58 µm
D(v, 50%) = 4.09 µm
D(v, 80%) = 1.78 µm
D(v, 30%) = 6.13 µm
D(v, 60%) = 3.27 µm
D(v, 90%) = 1.03 µm
Note: N: shape factor; : parameter related with the instrument; D(3, 2) = 2.05: average particle size is 2.05 µm at area percentage; D(v,%): particle size at volume cumulative percentage.
