Investigation on Coal Pillar Stability between Different Shapes of Gasifier Cavities under High Temperatures during UCG

<div>Uniaxial compression/Brazilian splitting test specimens. (a) 50 ∗ 100 mm uniaxial compression test specimens (b) 25 ∗ 50 mm Brazilian splitting test specimens.</div>

Geofluids

fig4

Figure 4

Figure 4: Investigation on Coal Pillar Stability between Different Shapes of Gasifier Cavities under High Temperatures during UCG 