放矿时崩落矿岩移动量的计算,对于预测残留体形态及采场的贫化率和损失率,都具有重要意义。对此,人们已进行大量研究,已能用椭球体理论来求解无边壁影响时的这一问题。但在有边壁影响的放矿条件下,有关问题还未获得解决。值得注意的是,当试验得出放出体形态与椭球体差异较大时,即使无边壁影响也不应沿用椭球体理论,否则 The calculation of caving movement when caving is of great significance for predicting the shape of residual body and the rate of depletion and loss of stope. In this regard, a large number of studies have been conducted, and ellipsoid theory can be used to solve this problem when there is no boundary effect. However, under the conditions of the coal mines affected by the sidewalks, the relevant issues have not yet been solved. It is noteworthy that, when the experiment shows that the emission body morphology and ellipsoid difference is large, even without the influence of the edge should not follow the ellipsoid theory, or