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开采步骤
相关语句
  mining steps
     The stope structure parameters and mining steps of the mine are optimized with numerical simulation method based on energy release rates in order to prevent rock bursts of stope.
     从岩爆预防角度,采用数值分析方法以能量释放率为衡量指标,对采场结构参数、开采步骤等进行了优化;
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  相似匹配句对
     Methods
     方法步骤
短句来源
     PRACTICE AND KNOWLADGE ON TWO-STAGE STOPING IN DEEP MINING
     深井开采步骤回采实践与认识
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     (2) on the steps of translating;
     (2)翻译的步骤
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     Multimedia Mining
     多媒体开采初探
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     Open Pit Mining Limit
     露天开采境界
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  mining steps
Twelve mining steps have been used to simulate the mining sequences, which start from the center of the top level.
      
The process includes data preparation, data integration, and data mining steps.
      
We proposed a sequence of data mining steps, including application of SVD, PCA and rough sets for feature selection.
      


Dongguashan Copper Mine is the first rockburst-prone deep-seated metal ore deposit in China where rockburst control study has been performed. The rockburst proneness of typical rocks of the deposit and the properties of rockbursts of the workings at the mine are analyzed with the results of laboratory tests, namely, tension tests, complete stress-strain tests and tests of stress relaxation under the deformation at peak load, and in-situ rockburst information recorded during the drifting of the development workings....

Dongguashan Copper Mine is the first rockburst-prone deep-seated metal ore deposit in China where rockburst control study has been performed. The rockburst proneness of typical rocks of the deposit and the properties of rockbursts of the workings at the mine are analyzed with the results of laboratory tests, namely, tension tests, complete stress-strain tests and tests of stress relaxation under the deformation at peak load, and in-situ rockburst information recorded during the drifting of the development workings. The stope structure parameters and mining steps of the deposit are optimized with numerical simulation method based on energy release rates in order to control rockbursts of stope. On the basis of this study, the principles and measures of rockburst control in the course of the mining in the mine, that is, control of energy release, reduction of energy storage, rational support and rockburst monitoring, are provided and discussed.

冬瓜山铜矿是我国开采的首家有岩爆倾向的深埋硬岩金属矿山,对此开展了岩爆控制研究。应用该矿床典型岩石的变形全过程试验及峰值荷载变形条件下的松弛试验等室内试验结果和现场岩爆调查资料,分析了该矿矿岩的岩爆倾向性和井巷岩爆特性,从岩爆控制角度,采用数值分析方法以能量释放率为衡量指标,对采场结构参数、开采步骤等进行了优化。在此基础上,提出该矿床开采采用控制能量释放、减少能量储存、合理支护和进行岩爆监测等岩爆控制的原则和措施。

In order to prevent and control rock bursts caused by the mining of the Dongguashang Mine, the systematical studies on prevention and control of rock burst disaster in deep well hard rock mine are done with a synthetical research method joining laboratory experiments, numerical calculations and situ rock burst researches together. From the mechanics experiments of rocks, the rock burst proneness of the rocks is determined by the synthetical index of judging rock burst proneness, and it is pointed out that rock...

In order to prevent and control rock bursts caused by the mining of the Dongguashang Mine, the systematical studies on prevention and control of rock burst disaster in deep well hard rock mine are done with a synthetical research method joining laboratory experiments, numerical calculations and situ rock burst researches together. From the mechanics experiments of rocks, the rock burst proneness of the rocks is determined by the synthetical index of judging rock burst proneness, and it is pointed out that rock burst proneness has two types of properties, that is, fountain and inductive. From the electron scanning microscope testes, experiments of physical model and situ rock burst researches, it is found that rock burst is caused by tensile break, and has obvious abnormality premonitions in break of rock and engineering construction. The results of the situ rock bursts and numerical calculations show that the rock burst dangerous districts are of stress concentrating, energy storing largely and having ability and conditions of releasing quickly. The stope structure parameters and mining steps of the mine are optimized with numerical simulation method based on energy release rates in order to prevent rock bursts of stope. From the four aspects of reducing energy storage, controlling energy release,using flexible supports and establishing rock burst monitoring system, the specific measures of prevention and control of rock bursts are obtained. 3figs. ,2tab. ,11refs.

采用室内试验、数值计算和现场岩爆研究相结合的综合研究方法,以冬瓜山矿床开采为对象,对深井矿床开采岩爆防治进行了系统的研究.由矿岩力学试验,采用岩爆综合评判指标确定了矿岩的岩爆倾向性,指出岩爆倾向性具有本源性和诱导性两种属性;电镜试验、物理模型试验和现场岩爆研究发现岩爆主要由张拉断裂引起,具有明显的岩石破坏和工程施工异常性前兆;现场岩爆研究和数值计算表明岩爆危险区位于应力集中、能量贮存大及具有快速释放能力和条件的区域;从岩爆预防角度,采用数值分析方法以能量释放率为衡量指标,对采场结构参数、开采步骤等进行了优化;从减少能量贮存、控制能量释放、采用柔性支护和建立岩爆监测系统4个方面,得出了具体的岩爆防治措施.图3,表2,参11.

 
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