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定向断裂控制爆破机理及应用

宋俊生 王雁冰 高祥涛 杨国梁 岳中文

宋俊生, 王雁冰, 高祥涛, 杨国梁, 岳中文. 定向断裂控制爆破机理及应用[J]. 矿业科学学报, 2016, 1(1): 16-28.
引用本文: 宋俊生, 王雁冰, 高祥涛, 杨国梁, 岳中文. 定向断裂控制爆破机理及应用[J]. 矿业科学学报, 2016, 1(1): 16-28.
Song Junsheng, Wang Yanbing, Gao Xiangtao, Yang Guoliang, Yue Zhongwen. The mechanism of directional fracture controlled blasting and its application[J]. Journal of Mining Science and Technology, 2016, 1(1): 16-28.
Citation: Song Junsheng, Wang Yanbing, Gao Xiangtao, Yang Guoliang, Yue Zhongwen. The mechanism of directional fracture controlled blasting and its application[J]. Journal of Mining Science and Technology, 2016, 1(1): 16-28.

定向断裂控制爆破机理及应用

基金项目: 国家重点研发计划(2016 YFC 0600903);国家自然科学基金面上项目(51274203,51374210);高等学校学科创新引智计划(B14006)
详细信息
    作者简介:

    宋俊生(1965—),男,河北邢台人,副教授,主要从事岩土工程、矿建工程方面的研究工作

    通讯作者:

    王雁冰(1987—),男,山东维坊人,博士,从事工程爆破与岩石破碎方面的研究工作。

  • 中图分类号: TU45

The mechanism of directional fracture controlled blasting and its application

  • 摘要: 综合运用高速激光纹影仪、超动态应变测试技术、数字激光动态焦散线试验系统等试验手段,着重研究了切缝药包定向断裂控制爆破机理,通过纹影试验多角度观测了爆轰波动的传播过程,实现了爆炸应力波与爆生气体的分离;分析了切缝药包径向不耦合装药爆破爆生裂纹动态断裂效应,对比了不同装药结构对爆生裂纹扩展的影响,确定了径向不耦合系数为167时定向断裂控制爆破效果最佳;开展了切缝药包轴向不耦合装药爆破水泥砂浆模型试验,揭示了爆炸应力场的空间分布规律;研究了双炮眼切槽方式下同时起爆,两炮眼间贯穿裂纹和炮眼外侧裂纹扩展的动态行为。最后,将切缝药包定向断裂控制爆破技术应用于煤矿岩巷、立井、隧道和边坡工程的爆破施工中,取得了较好的效果。研究成果可为工程实践提供试验依据和理论指导。
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出版历程
  • 收稿日期:  2016-07-11
  • 刊出日期:  2016-08-30

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