Table 5 Comparison of physical and mechanical parameters of coal.

From: Study on failure mechanism and energy dissipation law of single fissured coal in different tectonic stress areas

Test type

E/GPa

ν

 

φ/(°)

c/MPa

Rt/MPa

Rc/MPa

Laboratory tests

10.05

0.25

 

35

1.55

0.94

6.30

UDEC simulation

11.00

0.24

 

29

1.50

1.05

7.04

  1. E represents the elastic modulus; ν denotes Poisson ratio; φ denotes the friction angle; c denotes cohesion; Rt represents the tensile strength; Rc denotes compressive strength.
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