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Comprehensive classification method of ore rock based on the performance of cantilever roadheader

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  • Shandong Gold Mining (Linglong) Co.,Ltd.|Shandong Gold Mining (Linglong) Co.,Ltd.|Shandong Gold Mining (Linglong) Co.,Ltd.
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Abstract:

The traditional ore rock classification method based on rock mass stability cannot meet the construction requirements of the cantilever roadheader.In order to find a suitable ore rock classification method for the construction of the cantilever roadheader,this paper establishes a set of ore rock classification methods based on the tunneling performance of the cantilever roadheader.Taking Lingshan mining area of Linglong Gold Mine as the engineering background,the adaptability classification is carried out by analyzing the engineering geological conditions and tunneling speed and other factors,and then the BQm model of the cantilever roadheader ore rock classification is proposed,and the tunneling amenability classification is pided.Finally,the ore rock classification method based on the performance of cantilever roadheader is obtained by integrating the 2 classification methods,which can effectively predict the construction speed.The comprehensive ore rock classification verification in Lingshan mining area of Linglong Gold Mine is carried out,and the verification results are reasonable and reliable,providing a strong reference for on-site construction.

Keywords:

ore rock classification;engineering geology;cantilever roadheader;BQm model;construction rate