Experimental Study on the Influence of Moisture Content on the Mechanical Properties of Coal

Table 1

Analysis of the industrial composition of raw coal.

(%)	(%)	(%)	(%)	Apparent density (t/m^3)
0.69	20.53	9.75	2.32	1.38

Note: represents the humidity (air-drying basis); is the ash (dry basis); is the volatile (dry ash-free); is the sulfur (dry ash-free).