Research Article

Similar Simulation Test on Deformation Characteristics of Overlying Rock Developed by Instability of Strip Coal Pillar

Table 1

Uniaxial compression test results.

Mass ratio (sand: paraffin: Hydraulic oil)Sample numberHeight (mm)Diameter (mm)Mass (g)Density/(kg/m3)UCS (kPa)

1500 : 100 : 100A-1103.1850.42374.691819.7169.06
A-2103.6250.94383.91818.8182.91
A-3103.0451.58383.01779.7173.65
Average103.2850.98380.531806.67175.21