Mechanical Properties of Different Lithological Rocks: A Case Study of the Coal Measure Strata in the Eastern Margin of Ordos Basin, China

Table. 1

Corresponding energy parameters at the peak strain points.

No.	Lithology
1	Shale	0.02472	0.01501	0.00971	0.61
2		0.01859	0.00944	0.00915	0.51
3	Silty shale	0.03566	0.03194	0.00372	0.90
4		0.05340	0.04710	0.00629	0.88
5	Siltstone	0.05361	0.05075	0.00286	0.95
6		0.05087	0.04780	0.00307	0.94
7	Fine sandstone	0.04183	0.04044	0.00139	0.97
8		0.04129	0.04026	0.00103	0.98
9	Coal	0.00297	0.00253	0.00043	0.85
10		0.00346	0.00305	0.00041	0.88