[Retracted] Study on Rheological Properties of Coal Rock Containing Gas under Disturbance Conditions

Table 2

The deformation of specimen A-3-2 under different levels of confining pressure of 5 MPa.

Load grade (MPa)	Longitudinal initial strain	Longitudinal end strain	Amount of deformation (mm)
5	0	0.023	2.3
10	0.044	0.048	0.4
15	0.064	0.071	0.7
20	0.08	0.11	3
25	0.13	0.22	9