Study on Filling Material Ratio and Filling Effect: Taking Coarse Fly Ash and Coal Gangue as the Main Filling Component

Table 3

Range analysis of paste filling material collapse, stratification, and bleeding.

Index	Collapse degree (cm)			Stratification degree (cm)			Bleeding rate (%)
	A	B	C	A	B	C	A	B	C
k1	15.72	21.72	22.94	1.99	1.86	2.54	1.49	2.74	2.96
k2	20.12	21.40	21.60	1.70	2.24	2.08	1.69	2.44	2.46
k3	22.48	21.24	21.48	2.18	1.86	1.86	2.96	2.29	2.58
k4	24.02	20.34	20.52	1.36	1.76	1.78	2.96	2.34	2.12
k5	22.68	20.32	18.48	2.30	1.88	1.34	3.01	2.19	2.00
R	8.30	1.40	4.46	0.94	0.48	1.20	1.52	0.55	0.96
Sparkline-A
Sparkline-B
Sparkline-C
PSF	A	C	B	C	A	B	A	C	B

PSF = primary and secondary factor.