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

Table 5

The results of tests.

Samples	Slump (mm)	Bleeding ratio (%)	28 d compressive strength (MPa)
1^#	193	4.63	3.8
2^#	213	4.38	3.7
3^#	183	2.63	3.7
4^#	212	4.25	3.7
5^#	206	3.75	4
6^#	217	4.50	3.8
7^#	181	2.50	3.4
8^#	190	4.38	3.2
9^#	196	3.38	3.5
10^#	192	3.25	3.2
11^#	212	4.38	3.7
12^#	213	4.38	3.6
13^#	200	4.88	3.4
14^#	191	2.88	4.1
15^#	190	3.88	3.5
16^#	212	4.25	3.6
17^#	211	3.88	3.3