Investigating the Properties of Foamed Mixture Lightweight Soil Mixed with Bauxite Tailings as Filler

Table 4

Orthogonal table.

Test number	Affecting factor			Test results
	Cement	BTs	Foam	Flow ability (mm)	Wet density (kg/m^3)	Unconfined compressive strength (MPa)
1	1	1	1	179	450	0.40
2	1	2	2	163	540	0.50
3	1	3	3	161	640	0.45
4	1	4	4	156	790	1.05
5	2	1	3	190	690	1.25
6	2	2	4	175	940	2.35
7	2	3	1	170	590	0.55
8	2	4	2	167	740	0.85
9	3	1	4	197	940	3.05
10	3	2	3	187	890	2.75
11	3	3	2	173	840	1.35
12	3	4	1	165	690	0.65
13	4	1	2	183	840	1.30
14	4	2	1	183	740	1.10
15	4	3	4	185	990	2.80
16	4	4	3	168	940	2.65