Research Article

Stability Analysis of Retaining Wall in Backfilled Stope Based on Catastrophe Theory and Numerical Analysis

Table 1

Mechanics parameters of ore and backfill.

MediumElastic modulus (GPa)Poisson’s ratioCohesion (MPa)Friction (°)Density (kNm-3)

Ore21.20.256.827.534.3
Backfill1.70.190.625.721.3