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DOI:
有色金属(矿山部分):2020,72(4):38-42
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大直径深孔阶段空场嗣后充填采矿稳定性研究
徐伟兰1, 孙飞2, 何维剑2
(1.北京国信安科技术有限公司;2.黑龙江多宝山铜业股份有限公司)
Study on the stability of large diameter deep hole stope backfill mining method
XU Weilan1, SUN Fei2, HE Weijian2
(1.Being GXAK Technology Co., LTD;2.Heilongjiang Duobaoshan Copper Industry Inc)
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投稿时间:2020-03-04    修订日期:2020-03-12
中文摘要: 本文针对大直径深孔阶段空场嗣后充填采矿法的特性,开展了采场开采及充填体整体效果的数值模拟工作。通过对采场结构参数、开采顺利进行了应力分布、竖向位移和塑性区的稳定性分析,验证了矿山开采期的安全。同时,通过矿山开采结束后的充填体稳定性、地表的位移分析,开展了地表建构筑物的保护限值分析。综上,本文认为对大直径深孔阶段空场嗣后充填采矿法开展采矿稳定性研究是必要的,为矿山的建设和后续经营均具有较好的经济、环境和社会效益。
Abstract:According to the characteristics of the stope stope with large diameter and deep hole numerical simulation of stope mining and the overall backfill effect was carried out in this paper. Through analyzing the structural parameters of stope, stress distribution, vertical displacement and stability of plastic zone, the safety in mining period was verified. Meanwhile, through analysis of the stability of backfill after mining and the surface displacement , the protection limit of the surface structure is carried out. To sum up, this paper holds that it is necessary to study the mining stability of large diameter deep hole stope backfill mining method, which aggrandizes mine’s economic, environmental and social benefits in the construction and operation period..
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徐伟兰,孙飞,何维剑.大直径深孔阶段空场嗣后充填采矿稳定性研究[J].有色金属(矿山部分),2020,72(4):38-42.
XU Weilan,SUN Fei,HE Weijian.Study on the stability of large diameter deep hole stope backfill mining method[J].NONFERROUS METALS(Mining Section),2020,72(4):38-42.

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