Properties and Engineering Applications of a New Goaf Grouting Filling Material

Table 5

Volume ratio of cement-fly ash-sodium silicate slurry (C-FA-S).

No.	Ratio of slurry volume
	Ratio of water-cement and fly ash	:  (%)	:
5	1.0 : 1.0	60 : 40	1.0 : 1.0
6			1.0 : 0.6
7			1.0 : 0.4
8			1.0 : 0.2
9		50 : 50	1.0 : 1.0
10			1.0 : 0.6
11			1.0 : 0.4
12			1.0 : 0.2
13		40 : 60	1.0 : 1.0
14			1.0 : 0.6
15			1.0 : 0.4
16			1.0 : 0.2
17		30 : 70	1.0 : 1.0
18			1.0 : 0.6
19			1.0 : 0.4
20			1.0 : 0.2