Experimental Investigation of the Influence of Cellulose Ether on the Floating of Rubber Particles in Mortar

Table 7

Designed experimental data of binary quadratic orthogonal rotation combination.

Number	z1	z2	Consistency (mm)	28 d strength (kN)	Uniformity index
1	1	1	57	12.31	1.16
2	1	−1	62	19.8	1.8
3	−1	1	102	13.46	0.54
4	−1	−1	108	30.67	1.08
5	−1.4142	0	110	28.86	0.32
6	1.4142	0	50	15.39	1.18
7	0	−1.4142	80	29.76	1.05
8	0	1.4142	65	10.82	0.73
9	0	0	73	15.09	1.25
10	0	0	79	16.76	0.93
11	0	0	82	15.46	1.11
12	0	0	78	17.75	1.44
13	0	0	76	18.07	1.33
14	0	0	79	19.38	1.3
15	0	0	76	17.57	1.2
16	0	0	83	17.02	1.26