无底柱分段崩落法在国内地下矿山应用较广。为供参考,本文拟就急倾斜厚矿体或厚大矿体开采时,有关设计这种采矿法及其施工管理中应注意的几个方面问题,谈淡笔者的看法。 (一)关于改进采准切割 1.分段运输平巷 无底柱分段崩落法采区生产能力大,出矿较集中,一般要求阶段运输平巷应构成环形运输系统。而分段运输平巷通常根据矿体 Slitless pillar caving method is widely used in domestic underground mines. For reference, this article intends to steeply inclined thick ore body or thick ore body mining, the design of this mining law and its construction management should pay attention to several aspects, to talk about the writer's view. (A) of the cut on the improvement of mining 1. Sub-section roadway without pillar caving sub-caving mining area production capacity, more concentrated ore, the general requirements of the stage transport lane should form a circular transport system. Staging transport lanes are usually based on ore bodies