Experimental Study of the Influence of Moisture Content on the Mechanical Properties and Energy Storage Characteristics of Coal

Table 3

Calculation results of cyclic loading energy of coal samples.

Loading mode	No.	Moisture content	Number of cyclic stages before failure	Total strain energy	Area of hysteretic loop	Recoverable strain energy
				/J·m^-3
Cyclic loading/unloading	b3	18%	12	2.95441	0.39274	2.56167
	b6	21%	8	2.42494	0.44268	1.98226
	b9	25%	5	2.00783	0.54268	1.46515