Experimental Research on Mix Ratio of Construction Waste Cemented Filling Material Based on Response Surface Methodology

Table 4

Mix ratios of filling material for orthogonal test.

Samples	Wet fly ash (wt. %)	Construction waste (wt. %)	Talbol gradation index	Sulphate aluminate cement (wt. %)	Portland cement (wt. %)	Water reducing agent (wt. %)	Water (wt. %)
1^#	20.78	46.17	0.5	2.4	5.6	0.56	25.0
2^#	22.31	44.63	0.4	2.4	5.6	0.56	25.0
3^#	23.76	43.19	0.4	2.4	5.6	0.48	25.0
4^#	22.31	44.63	0.4	2.4	5.6	0.56	25.0
5^#	22.32	44.63	0.5	2.4	5.6	0.48	25.0
6^#	22.31	44.62	0.5	2.4	5.6	0.64	25.0
7^#	23.75	43.19	0.3	2.4	5.6	0.56	25.0
8^#	20.78	46.17	0.4	2.4	5.6	0.48	25.0
9^#	22.32	44.63	0.3	2.4	5.6	0.48	25.0
10^#	23.75	43.18	0.4	2.4	5.6	0.64	25.0
11^#	22.31	44.63	0.4	2.4	5.6	0.56	25.0
12^#	22.31	44.63	0.4	2.4	5.6	0.56	25.0
13^#	20.77	46.16	0.4	2.4	5.6	0.64	25.0
14^#	23.75	43.19	0.5	2.4	5.6	0.56	25.0
15^#	20.78	46.17	0.3	2.4	5.6	0.56	25.0
16^#	22.31	44.63	0.4	2.4	5.6	0.56	25.0
17^#	22.31	44.62	0.3	2.4	5.6	0.64	25.0