Research Article

Brittleness Index of High-Rank Coal Reservoir and Its Influencing Factors in Mabidong Block, Qinshui Basin, China

Table 3

Mechanical parameters of No. 3 and No. 15 coal seams in the Mabidong block.

Coal-body structureCoal seamModulus of elasticityPoisson’s ratio

Primary structureNo. 30.5930.2269
No. 150.6600.2312
Cataclastic structureNo. 30.6350.2335
No. 150.6100.2300
Granulate structureNo. 30.7150.2279
No. 150.7410.2305