Study on the Modification Formula of Earth Material Compound with Cement and Gravel by Single Lattice Theory

Table 6

Axis point extended simplex lattice design and the result of lower limit component boundary in mixed cement and gravel modified with raw soil.

Test formation	Test coding			Mix ratio of test materials			Response variables
	x1	x2	x3	z1	z2	z3
NS1	1	0	0	0.20	0.05	0.75	11.51	3.57	1.290
NS2	0	1	0	0.03	0.22	0.75	3.75	2.97	0.447
NS3	0	0	1	0.03	0.05	0.92	5.77	4.11	0.492
NS4	1/2	1/2	0	0.12	0.14	0.75	7.97	3.33	2.202
NS5	0	1/2	1/2	0.03	0.14	0.84	4.39	3.43	1.108
NS6	1/2	0	1/2	0.12	0.05	0.84	8.87	3.81	0.971
NS7	2/3	1/6	1/6	0.14	0.08	0.78	11.10	3.55	1.067
NS8	1/6	2/3	1/6	0.06	0.16	0.78	6.81	3.58	1.178
NS9	1/6	1/6	2/3	0.06	0.08	0.86	7.21	3.70	1.005
NS10	1/3	1/3	1/3	0.09	0.11	0.81	6.91	3.70	0.734