Properties and Engineering Applications of a New Goaf Grouting Filling Material

Table 9

Cost analysis.

No.	Grouting amount/m^3	Raw material type and component unit price					Cost	Initial setting time
		Cement	Fly ash	Sodium silicate	Ethylene glycol	Adipic acid
		400.0 RMB/t	180.0 RMB/t	1200.0 RMB/t	4.5 RMB/kg	6.0 RMB/kg	RMB	min
31	1	75.60	50.94	120.00	9.40	18.54	274.48	0.5
37	1	66	89.1	12	-	-	167.1	155
38	1	24.8	100.44	111.6	-	-	236.89	50