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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。
The stability of the filling area in zone 1 in the continuous column-free mining method directly affects the loss rate and the depletion rate of the mining method, thus determining the success or failure of the pilot study. Using the limit analysis method and static balance method to determine the critical height for maintaining the stability of the region 1 filling body, a theoretical basis for the reasonable choice of the filling body parameters is provided.