基于岩体破损理论的白象山铁矿顶板矿柱合理回收厚度分析

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英文篇名：Study of Thickness of Roof Pillar in Baixiangshan Iron Mine based on Rock Fracture Theory 作者：潘宝正 英文作者：PAN Bao-zheng; 关键词：顶柱回采 ; 回采高度 ; 爆破破坏区 ; 关键承力区 ; 薄板理论 英文关键词：roof pillar stoping;;backstoping height;;blasting failure area;;key bearing area;;thin plate theory 中文刊名：MGZB 英文刊名：Journal of Anhui Vocational College of Metallurgy and Technology 机构：马钢集团姑山矿业公司; 出版日期：2019-04-15 出版单位：安徽冶金科技职业学院学报 年：2019 期：v.29;No.84 语种：中文; 页：MGZB201902019 页数：3 CN：02 ISSN：34-1281/Z 分类号：61-63

摘要

根据顶柱回采过程中的破坏模式,将顶柱划分为安全回采区、爆破破坏区和关键承力区三部分,并采用爆破应力波破坏范围研究理论和薄板理论,针对白象山铁矿的岩体特征和采掘设计,分别计算了爆破破坏区和关键承力区厚度,然后根据矿山前期保留顶柱的厚度得出安全回采区的厚度,对矿山顶柱的安全回采设计提供依据。
        According to rock fracture theory in the mining process of the roof pillar, the roof pillar is divided into three parts: the safe mining area, the blasting failure area and the key bearing area. Based on the theory of blasting stress wave damage area and thin plate theory, the thickness of blasting damage area and key bearing area are calculated respectively according to the rock mass characteristics and mining design of Baixiangshan Iron Mine, and then obtaining thickness of the safe mining area of Baixiangshan Iron Mine, which provides a basis for the safe mining design of the mine roof pillar.

引文

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