[1]李雁飞①,李高源②,马力②.西湾露天煤矿岩石台阶爆破中块度的控制研究[J].爆破器材,2025,54(06):55-64.[doi:10.3969/j.issn.1001-8352.2025.06.008]
　LI Yanfei,LI Gaoyuan,MA Li.Block Size Control of Rock Bench Blasting in Xiwan Open-Pit Coal Mine[J].EXPLOSIVE MATERIALS,2025,54(06):55-64.[doi:10.3969/j.issn.1001-8352.2025.06.008]
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西湾露天煤矿岩石台阶爆破中块度的控制研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
54
期数:
2025年06
页码:
55-64
栏目:
爆破技术
出版日期:
2025-12-09

文章信息/Info

Title:
Block Size Control of Rock Bench Blasting in Xiwan Open-Pit Coal Mine
文章编号:
6057
作者:
李雁飞①; 李高源②; 马力②
①国家能源集团陕西神延煤炭有限责任公司西湾露天煤矿（陕西榆林，719000）
②西安科技大学能源与矿业工程学院（陕西西安，710054）
Author(s):
LI Yanfei①;  LI Gaoyuan②;  MA Li②
① Xiwan Open-Pit Coal Mine, Shaanxi Shenyan Coal Co., Ltd., China Energy (Shaanxi Yulin, 719000)
② College of Energy and Mining Engineering, Xi’an University of Science and Technology (Shaanxi Xi’an, 710054)
关键词:
露天深孔爆破; 爆破控制; 加密布孔; 压渣爆破; 爆堆块度识别; PSO-Canny模型
分类号:
TD235.3
DOI:
10.3969/j.issn.1001-8352.2025.06.008
文献标志码:
A
摘要:
为提高西湾露天煤矿岩石台阶爆破效果，从岩石爆破作用理论出发，定义不同类型岩石的可爆性。采用LS-DYNA数值模拟软件，构建FEM加密布孔模型及FEM-SPH压渣模型，得到最佳加密布孔长度及压渣厚度；采用粒子群算法（PSO）优化Canny边缘识别算法识别阈值，构建PSO-Canny爆堆块度识别模型，以现场使用方案为对照组，与Split-Desktop 4.0爆破块度分析软件进行识别效果对比。结果表明：顶部泥岩属于低波阻抗岩石,受爆生气体作用,产生塑性破坏;底部粉砂岩属于中阻抗岩石,受应力波与爆生气体共同作用,发生准脆性破坏。基于数值模拟结果，确定现场改善爆破技术方案为4 m加密布孔方案及8.5 m压渣方案。根据西湾露天煤矿现场岩石爆破试验，确定现场、加密布孔和压渣3种方案的大块率分别为3.50%、 3.10%、 2.85%；采用4 m加密布孔及8.5 m压渣方案后，岩石爆破大块率分别下降0.40%、 0.65%。将PSO-Canny与Split-Desktop 4.0块度分析软件结果对比，得到各方案的识别误差分别为6%、 3%、 2%。

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备注/Memo

备注/Memo:
收稿日期：2025-07-04
第一作者：李雁飞（1983—），男，硕士，高级工程师，主要从事露天煤矿生产技术与管理的研究。E-mail: 11551056@ceic.com
通信作者：马力（1986—），男，博士，教授，主要从事露天开采与矿山爆破工程的研究。E-mail: mali217@xust.edu.cn
更新日期/Last Update: 2025-12-09