Research on the Collapse Coefficient of Collapsible Loess under Unloading

Table 5

Orthogonal test results.

Serial number	Factors		η
	K	P0
1	0.8	200	0.58
2	0.8	300	0.55
3	0.8	400	0.52
4	0.6	200	0.32
5	0.6	300	0.29
6	0.6	400	0.28
7	0.4	200	0.16
8	0.4	300	0.13
9	0.4	400	0.12
L1	1.65	1.06
L2	0.89	0.97
L3	0.41	0.92
L1′	0.55	0.35
L2′	0.30	0.32
L3′	0.14	0.31
R	0.41	0.04