Table 1.
Simulation schemes.
Table 2.
Mechanical parameters.
Fig 1.
Calculation model diagram.
Fig 2.
Stress-strain curves under different rock bridge angles.
(a) 100 mm, (b) 150 mm, (c) 200 mm, (d) 250 mm, (e) 300 mm, (f) 350 mm, (g) 400 mm.
Fig 3.
Stress-strain curves under different sizes.
(a)15°, (b) 30°, (c) 45°, (d) 60°, (e) 75°.
Table 3.
E50 values.
Fig 4.
Fitting curve of E50.
Table 4.
Fitting curve of rock E50.
Fig 5.
(a) a, (b) b.
Table 5.
Constants a and b.
Fig 6.
Fitting curves of E50.
Table 6.
Fitting relationship of E50.
Fig 7.
(a) c, (b) d.
Table 7.
Parameters c and d.
Fig 8.
Variation law of E50 fluctuation coefficient (a) angle, (b) size.
Table 8.
E50 fluctuation coefficient.
Fig 9.
Fitting curve between CSSM and angle.
Table 9.
Characteristic size values.
Fig 10.
Fitting curve of CSM and rock bridge angle.
Table 10.
CSM.
Fig 11.
stress-strain curves.
Table 11.
E50 values of size.
Table 12.
E50 values of angle.
Fig 12.
Curve fitting of E50.