摘要
为了掌握三山岛金矿深部矿岩节理裂隙分布情况以及围岩的稳定性,对-600m,-645m,-690m中段进行了节理裂隙调查统计并借助RMR和IRMR岩体评价体系对各个采场岩体质量与稳定性进行评价,结果表明三山岛金矿节理裂隙十分发育,随着深度的增加,节理的分布密度呈增大的趋势,岩体稳定性亦越差,为深部采矿方法优化和采场结构参数的优化提供基础依据。
In order to master the joints and fissures distribution and the stability of the surrounding rock of Sanshandao Gold Mine, we began the joints and fissures investigation statistics at the depth of -600m,-645m,-690m. and we used RMR and IRMR rock mass evaluation system to evaluate the quality and stability of stope rock mass, the results show that joints and fractures are well-developed in the Sanshandao Gold Mine, with the increase of the depth, the joint distribution density showed a trend of increase, also the stability of rock mass became worse, providing the basis of deep mining method optimization and the optimization of stope structure parameters.
出处
《黑龙江科技信息》
2015年第23期126-128,共3页
Heilongjiang Science and Technology Information
关键词
节理裂隙
调查统计
岩体质量分级
Joints and fissures
Investigation and calculation
Rock mass quality evaluation
