Table 4.

Experimental design and observed responses of clay/aeolian sand.

Exp. no	Experiment codes	Input variables		Output variables
		Clay (%)	Sand (%)	MDD (/)	Cc (/)	Cs (/)	C (kN/m2)	ϕ (°)
1	Clay70/30	70	30	1.74	0.135	0.025	22.5	21
2	Clay72.5/Sand27.5	72.5	27.5	1.73	0.136	0.028	22.9	20
3	Clay75/Sand25	75	25	1.72	0.137	0.03	25.5	19
4	Clay77.5/Sand22.5	77.5	22.5	1.71	0.142	0.032	25.5	18.5
5	Clay80/Sand20	80	20	1.7	0.143	0.035	29	18
6	Clay82.5/Sand17.5	82.5	17.5	1.69	0.144	0.037	29.2	17
7	Clay85/Sand15	85	15	1.68	0.145	0.04	29.5	14
8	Clay87.5/Sand12.5	87.5	12.5	1.66	0.146	0.042	31.5	13
9	Clay90/Sand10	90	10	1.64	0.15	0.045	34	12
10	Clay92.5/Sand7.5	92.5	7.5	1.62	0.154	0.048	36.6	11.5
11	Clay95/Sand5	95	5	1.6	0.157	0.05	39.5	10
12	Clay97.5/Sand2.5	97.5	2.5	1.57	0.161	0.052	43.5	9.5
13	Clay100/Sand0	100	0	1.55	0.161	0.055	44.8	9