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

Table 5

Test results of compressive strength of specimens mixed with cement, gravel, and raw soil.

Test formation	Peak load (kN)	Peak displacement (mm)	Compressive strength
			Average of strength (MPa)	Standard deviation	Coefficient of variation
NS1	115.12	3.57	11.51	1.290	0.112
NS2	37.52	2.97	3.75	0.447	0.119
NS3	57.75	4.11	5.77	0.492	0.085
NS4	79.73	3.33	7.97	2.202	0.276
NS5	43.92	3.43	4.39	1.108	0.252
NS6	88.74	3.81	8.87	0.971	0.109
NS7	111.02	3.55	11.10	1.067	0.096
NS8	68.12	3.58	6.81	1.178	0.173
NS9	72.06	3.70	7.21	1.005	0.139
NS10	69.15	3.70	6.91	0.734	0.106
Raw soil	32.42	2.7	3.24	0.393	0.121