揭示无底柱分段崩落法结构参数优化的实质是放出体的空间排列优化问题。
It is exposed that the optimization of the structural parameters of sublevel caving is essentially that of the spacial configuration of the draw off body.
在试验的基础上，改进标志颗粒的制作方法与放置方法，提出利用放出体方程求解散体流动参数的新方法。
Based on experiment, by improving production and placement method of index particle, a new measurement method to test the granular flow parameters by drawn-body equation is proposed.
由于无底柱分段崩落法结构参数一直采用经验方法确定，很难保证结构参数最佳，本文分析了放出体和矿石堆体的形态及其影响因素。
Because of anciently usually adopting empirical method to determine the structure parameter of non pillar sublevel caving, there are hard to guarantee parameter optimize.
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