Research on Compressive Tests of Iron Tailing and Cement-Modified Earth Materials from Northwest China

Table 3

Test results of each group.

Specimen grouping	Peak load mean (kN)	Peak displacement mean (mm)	Mean value of limit displacement (mm)	Compressive strength
				Mean value (MPa)	Standard deviation	Coefficient of variation
Earth	16.87	3.19	4.61	1.69	0.19	0.11
TS1	11.27	2.65	3.44	1.13	0.23	0.21
TS2	94.97	4.06	6.05	9.5	1.98	0.21
TS3	13.48	3.66	5.13	1.35	0.05	0.04
TS4	72.45	3.38	4.32	7.25	0.79	0.11
TS5	63.38	3.58	5.24	6.34	0.36	0.06
TS6	17.68	2.9	3.76	1.77	0.31	0.17
TS7	37.07	3.41	4.32	3.71	0.54	0.15
TS8	48.33	4.12	5.22	4.83	0.42	0.09
TS9	26.23	3.14	3.98	2.62	0.54	0.21
TS10	27.89	2.78	3.65	2.79	0.81	0.29