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《Metal Mine》 2009-11
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Rock Mass Blastability Classification and its Application in Shuichang Open Pit Mine

Qu Shijie1 Qi Baojun2 Xu Wenyao1 Wang Aimin2 Wang Jinqiang1 Pei Qunsheng2(1.Shougang Mining Industry Company,2.University of Science and Technology Beijing)  
Such parameters as specific density,tensile strength,shearing strength of rock specimen,together with the integrity index of rock mass,are used as the criteria for blast ability classification of rock masses.Meanwhile,the clustering analysis is applied in rock mass blastability classification calculations to the main types of Shuichang Open Pit Mine.Technical parameters for bench blasting of different type of rock masses of the mine are determined in accordance with results of the classification calculation.Field tests demonstrated that the research work can be helpful in improving reliability of the blasting parameters and fragmentation of field blasting.
【Fund】: 国家高技术研究发展计划(863计划)项目(编号:2007AA06Z132)
【CateGory Index】: TD235.1
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