彭亚雄,程瑶,吴立,朱彬彬,钟涵

• 1:中国地质大学(武汉)岩土钻掘与防护教育部工程研究中心
• 2:中国地质大学(武汉)工程学院

摘要(Abstract)：

为了弥补矿岩可爆性分级在工程应用中的不足,利用AHP-TOPSIS法建立综合评价模型。选取矿岩容重γ、波阻抗K、普氏系数f、平均裂隙距d、炸药单耗q作为可爆性评价指标,采用灰色关联分析方法确定各指标的重要性程度,运用AHP法获得各指标权重W,进而获得了TOPSIS法的各指标的贴近度值C+,得到矿岩可爆性分级结果为S_1=0,S_2=12.68%,S_3=27.32%,S_4=41.57%,S_5=57.47%,S_6=83.41%,S_7=1。将该模型运用于利比里亚邦州邦矿铁矿工程实践,结果表明:对不同岩性矿区进行可爆性分级,针对不同可爆性等级的矿区采用不同的爆破设计参数,降低了矿石大块率,取得了较好的经济效益。

关键词(KeyWords)： 矿岩可爆性;层次分析法;逼近理想解排序法;岩石试验

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(41672260);; 湖北省科技厅自然基金重点基金项目(2013CFA110)

作者(Author): 彭亚雄,程瑶,吴立,朱彬彬,钟涵

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