无底柱分段崩落法结构参数的影响因素及计算  

Factors Influencing Structural Parameters for Non-Pillar Sublevel Caving Method and Calculation

作　　者：田敏[1] 邓良[1] TIAN Min;DENG Liang(Kunming Engineering&Research Institute of Nonferrous Metallurgy Co.,Ltd.,Kunming Yunnan 650051,China)

机构地区：[1]昆明有色冶金设计研究院股份公司,云南昆明650051

出　　处：《有色金属设计》2024年第2期1-4,7,共5页Nonferrous Metals Design

摘　　要：分析无底柱分段崩落法的特征及其优缺点,整理了该采矿方法主要结构参数的影响因素,并归纳了主要结构参数的理论计算公式,同时通过尖山采场的室内放矿实验及现场实际效果,对归纳整理的主要结构参数计算公式进行验证。可为采用无底柱分段崩落法的矿山提供设计依据。This paper analyzed the characteristics,advantages,and disadvantages of the non-pillar sublevel caving method,reviewed the factors influencing the main structural parameters of this mining method,and developed the theoretical calculation formulas for these key parameters.Furthermore,lab ore-dumping experiments at Jianshan mine were conducted,so that the actual effect was observed on site,to verify the developed calculation formulas for the principal structural parameters.This study conclusions will provide references for the design of mines adopting the non-pillar sublevel caving method.

关 键 词：无底柱分段崩落法 结构参数 影响因素 放矿 分段高度 进路间距 

分 类 号：TD853.362[矿业工程—金属矿开采]