Experimental Research on Durability of Fly Ash Pavement Concrete and Mix Proportion Optimization
Table 7
The results of orthogonal experiments.
No.
Orthogonal combination
Assessment indicators
Power coefficient
Total power coefficient d =
Gas content (%)
3 d CS (MPa)
3 d FS (MPa)
d1
d2
d3
1
A1B1C1D1
6.9
28.9
1.92
0.710
0.963
0.861
0.847
2
A1B2C2D2
6.7
28.4
1.94
0.731
0.947
0.870
0.844
3
A1B3C3D3
5.4
28.7
1.97
0.907
0.957
0.883
0.915
4
A2B1C2D3
5.0
29.6
2.23
0.980
0.987
1.000
0.989
5
A2B2C3D1
6.3
29.8
2.13
0.778
0.993
0.955
0.904
6
A2B3C1D2
6.4
29.3
1.97
0.776
0.977
0.883
0.871
7
A3B1C3D2
6.0
29.1
1.98
0.870
0.970
0.889
0.890
8
A3B2C1D3
4.9
29.1
2.09
1.000
0.970
0.937
0.968
9
A3B3C2D1
6.1
30.0
1.95
0.803
1.000
0.874
0.889
CS: compressive strength; FS: flexural strength; d1: efficiency coefficient of gas content; d2: 3 d efficiency coefficient of compressive strength; d3: 3 d efficiency coefficient of flexural strength.
