Stability Analysis of a Mine Wall Based on Different Roof-Contact Filling Rates
Jiang Guo,
Wenjun Yang,
Yan Zhao
et al.
Abstract:This study takes the mine wall of the isolated mine pillar in the Dongguashan Copper Mine as the research object. Based on the mechanical model of the mine wall under the trapezoidal loading of the backfill, the expressions for calculating the safety factor of the mine wall were derived by considering the load-bearing conditions of the backfill–mine-wall system under different roof-contacted filling rates. On this basis, the variation law of the safety factor of the mine wall with the roof-contacted filling ra… Show more
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