Stability Analysis of Retaining Wall in Backfilled Stope Based on Catastrophe Theory and Numerical Analysis
Chang Liu,
Kui Zhao,
Peng Zeng
et al.
Abstract:Retaining wall is essential for stopes mining in two steps, for it can prevent the instability and collapse of backfill. In this study, taking the retaining wall of backfilled stope as the research object, a stability analysis method of retaining wall based on the close coupling of catastrophe theory and numerical analysis was proposed. First, by extracting the unit failure rate of the retaining wall from the numerical simulation results and fitting it with the mining depth, the functional expression between t… Show more
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