确定稳定充填体临界高度的极限分析法

Critical Analysis for Determining the Critical Height of Stable Backfill

无间柱连续采矿法中１区充填体的稳定性，直接影响该采矿方法的损失率和贫化率等，从而决定试验研究的成败。利用极限分析能量法和静力平衡法确定保持１区充填体稳定的临界高度，为合理选择充填体参数提供理论依据。

In nonpillar continuous mining method (NPCMM),the backfill stability of substope I directly influences the loss and dilution rate and therefore can determine the success or failure of the experiment research.The paper determines the critical height that can maintain the backfill stability of substope I by the energy method of critical analysis and the static balance method,which provides a theoretical basis for the reasonable selection of backfill parameters.