Research on Optimal Proportion and Performance of Cement-Clay Slurry

Table 7

Results of the orthogonal experiment.

Experiment number	Density	Viscosity	Setting time (min)		Water separation rate (%)	Solidification rate (%)
			Initial	Final
1	1.80	—	7.50	12.83	0.2	99.5
2	1.80	—	6.58	12.42	0.5	99.3
3	1.80	—	7.00	12.25	1.0	98.3
4	1.79	—	7.58	13.17	1.0	98.8
5	1.58	32	11. 75	20.92	4.2	95.0
6	1.56	33	12.08	21.25	2.5	93.3
7	1.50	29	12.50	21.75	3.1	93.3
8	1.53	31	13.25	23.08	4.2	93.3
9	1.44	25	19.58	30.08	7.0	86.3
10	1.43	24	20.25	31.08	5.1	91.3
11	1.45	23	19.08	29.25	15.1	88.3
12	1.43	22	20.75	31.25	13.0	87.5
13	1.32	20	30.75	47.92	37.4	68.8
14	1.32	20	31.25	48.58	30.5	71.8
15	1.32	18	31.08	48.17	43.6	66.3
16	1.34	18	31.58	49.17	30.5	72.0

Note. “—” means that the viscosity is very high and almost does not flow.