郭 亮1,周永亮1,高 建1,万串串2.云南某磷矿岩石力学特性及质量分级[J].有色金属(矿山部分),2017,69(1):54-57.
云南某磷矿岩石力学特性及质量分级
Rock mechanics properties and rock quality classification for a Phosphate Mine in Yunnan Province
  
DOI:10.3969/j.issn.1671-4172.2017.01.012
中文关键词:  磷矿  岩石力学  质量分级
英文关键词:phosphate mine  rock mechanics  rock quality classification
基金项目:
           
作者单位
郭 亮1 (1. 中化云龙有限公司,昆明 850200
2. 北京矿冶研究总院,北京 100160)
周永亮1 (1. 中化云龙有限公司,昆明 850200
2. 北京矿冶研究总院,北京 100160)
高 建1 (1. 中化云龙有限公司,昆明 850200
2. 北京矿冶研究总院,北京 100160)
万串串2 (1. 中化云龙有限公司,昆明 850200
2. 北京矿冶研究总院,北京 100160)
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中文摘要:
      对于一个开采矿山而言,其矿岩物理力学参数及工程地质条件是评价矿岩质量的基础参数。以云南某磷矿为例,采用现场地质构造调查,结合室内岩石力学试验结果,根据RMR分类法对岩体质量级别及稳定性进行了评价。结果表明,该磷矿四种岩组岩体中,顶板白云岩属于坚硬岩,岩体较完整。矿体磷灰岩与底板白云岩属于较坚硬岩,岩体较完整。副顶矿磷灰岩岩体较破碎。基于RMR分类评价体系,顶板白云岩与底板白云岩属Ⅱ级(好岩体),矿体磷灰岩属Ⅲ级(一般岩体),为下一步该磷矿采矿方法的选择及结构参数优化提供技术参考。
英文摘要:
      The rock quality evaluation is based on the physico-mechanical parameters of ore & rock and engineering geological conditions for a specific mine. Taking a phosphate mine for example, the rock quality classification and stability are evaluated according to RMR classification method in which parameters are acquired by engineering geology survey on site and rock mechanics tests. It is shown that roof dolomite is the hardest and less integrity; phosphate and floor dolomite are harder and less integrity; roof phosphate is fractured. Based on RMR classification method, roof & floor dolomite are regarded as level Ⅱand phosphate is classified into level Ⅲ. Those conclusions can provide the technical references for the selection of mining method and optimization of stope structure parameters.
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