Experimental Research on Durability of Fly Ash Pavement Concrete and Mix Proportion Optimization

Table 5

Orthogonal design for the optimal mix proportion (kg/m³).

No.	C	FA	SF	W	Sand	Stone (5–10 mm)	Stone (10–25 mm)	Stone (25–31.5 mm)	Water reducer	Air-entraining admixtures	Reinforcing agent
1	301.5	112.5	36.0	167	663	322.8	538	215.2	4.50	0.360	4.5
2	324.0	90.0	36.0	167	663	322.8	538	215.2	3.60	0.270	4.5
3	346.5	67.5	36.0	167	663	322.8	538	215.2	2.70	0.180	4.5
4	345.6	96.0	38.4	168	663	322.8	538	215.2	4.80	0.192	4.8
5	369.6	72.0	38.4	168	663	322.8	538	215.2	3.84	0.384	4.8
6	321.6	120.0	38.4	168	663	322.8	538	215.2	2.88	0.288	4.8
7	385.0	75.0	40.0	165	663	322.8	538	215.2	5.00	0.030	5.0
8	335.0	125.0	40.0	165	663	322.8	538	215.2	4.00	0.020	5.0
9	360.0	100.0	40.0	165	663	322.8	538	215.2	3.00	0.040	5.0