Table 2 The axial strain of specimens with different anisotropy angles under various cyclic loading-unloading rates.

From: The influence of cyclic loading-unloading rates on the uniaxial mechanical anisotropy of coal

Anisotropy angle (º)

Axial strain (%)

0.025 MPa/s

0.050 MPa/s

0.100 MPa/s

1.64

1.71

2.36

22.5º

1.62

2.54

2.12

45º

2.87

2.45

2.64

67.5º

4.17

3.83

3.57

90º

4.73

4.82

5.41

Average value

3.01

3.07

3.22