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

Table 1

Mechanical parameters of some coal samples.

Preloading condition	No.	Moisture content	Preloading condition	No.	Moisture content
Uniaxial compression test	a1	16%	Loading/unloading test	b1	16%
	a2	17%		b2	17%
	a3	17%		b3	18%
	a4	18%		b4	18%
	a5	19%		b5	19%
	a6	20%		b6	21%
	a7	21%		b7	22%
	a8	22%		b8	23%
	a9	25%		b9	25%