Research Article

Research on the Influence of Slurry Filling on the Stability of Floor Coal Pillars during Mining above the Room-and-Pillar Goaf: A Case Study

Table 1

Parameters in FLAC3D numerical simulation.

LayersBulk modulus (Pa)Shear modulus (Pa)Cohesion (MPa)Internal friction angle (°)Tensile strength (MPa)

Soft rock24
Coal seam18
Key strata32