Performance Research of Materials and Engineering Application of Overburden Strata Separation-Zone Grouting Technology

Table 4

Precipitation time and speed of fly ash slurry.

Testing contents	Precipitation time at different temperatures (s)			Precipitation rate at different temperatures (mm/s)
	0°C	16°C	36°C	0°C	16°C	36°C
30 mm	92	63	42	0.33	0.48	0.71
36 mm	114	76	52	0.32	0.47	0.69
42 mm	146	92	67	0.29	0.46	0.63
48 mm	212	130	99	0.23	0.40	0.48
54 mm	571	295	218	0.09	0.18	0.25
Remarks	The temperature at the end of the experiment is 6°C, 16°C, and 29°C.