Evolution Characteristics of a High-Level Asymmetric Fracture-Seepage Community and Precise Coalbed Methane Drainage Technology during Mining of Outburst-Prone Coal Seam Groups

Table 1

Main similar constants of the simulation test.

Model dimensions/(mm × mm × mm)	Similar constant
	Geometric similarity	Similar bulk density	Similar time	Poisson’s ratio	Stress (MPa)	Intensity (MPa)
1,800 mm × 160 mm × 1,500 mm	100	1.625	10	1	7.9	16