汪海波,贾虎,徐颖,宗琦
WANG Hai-bo,JIA Hu,XU Ying,ZONG Qi

• 1:安徽理工大学土木建筑学院
• 2:南阳师范学院土木建筑工程学院

摘要(Abstract)：

针对综采面坚硬岩石割煤机切割效率低的问题,根据工程地质特征,采用大直径深孔爆破,增加岩体裂隙、破坏其整体性,再用割煤机切割的施工方案。爆破后,割煤机切割的岩石呈块状落下,切割速度提高了50%~55%、截齿消耗减少40%~46%,并降低了粉尘量,取得了良好的爆破效果。同时,对爆破的有害效应进行了监测和分析,结果表明深孔松动爆破不会对巷道及支护结构产生危害。
For low construction efficiency of fully mechanized working face in hard rock,according to engineering geological characteristics,the scheme was put forward that adopting large diameter deep hole loose and rupture blasting in advance and using cutting machine later to improve fracture of rock mass and damage its integrity.After blasting,massive rocks fell down by cutting machine,cutting velocity increased by 50%~55%and hob consumption reduced by 40%~46%.The amount of dust was reduced.The good blasting effect was achieved.The blasting harmful effect were monitored and analyzed,the results showed that there was no harm effect on roadway or supporting structure caused by the deep hole loose blasting.

关键词(KeyWords)： 综采工作面;坚硬岩石;深孔致裂爆破;振动监测
Fully mechanized working face;Hard rock;Deep hole loose and arupture blasting;Vibration monitor

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51404010;11202109;51374012);; 安徽省博士后基金项目(201316)

作者(Author): 汪海波,贾虎,徐颖,宗琦
WANG Hai-bo,JIA Hu,XU Ying,ZONG Qi

参考文献(References)：

• [1]董浩,李勇,刘继德.综采工作面设备多通道快速回撤技术[J].煤矿开采,2011,16(6):27-29,96.DONG Hao,LI Yong,LIU Ji-de.Fast Multi-roadway Dismantling Technology of Full-mechanized Mining Face[J].Coal mining Technology,2011,16(6):27-29,96.
• [2]李刚,梁冰.综采工作面厚层坚硬夹石爆破方法[J].黑龙江科技学院学报,2008,18(6):440-442.LI Gang,LIANG Bing.Blasting Method of Thick and Hard Rock in Fully-mechanized Workface and Its Use[J].Journal of Heilongjiang Institute of Science and Technology,2008,18(6):440-442.
• [3]陶可,于飞.顺槽深孔预裂爆破硬夹矸技术[J].煤矿安全,2012,43(2):55-57.TAO Ke,YU Fei.Technology Research on Crossheading Deep-hole Pre-splitting Blasting Hard Dirt Band[J].Safety in Coal Mines,2012,43(2):55-57.
• [4]徐颖,宗琦.地下工程爆破理论及应用[M].徐州:中国矿业大学出版社,2001.XU Ying,ZONG Qi.Theory and Application of Underground Engineering Blasting[M].Beijing:China University of Mining Press,2001.
• [5]陈秋宇,黄文尧,袁胜芳,等.煤矿深孔预裂爆破技术应用研究[J].工程爆破,2011,17(2):37-39.CHEN Qiu-yu,HUANG Wen-yao,YUAN Shengfang,et al.Research on Application of Deep-hole Presplitting Blasting Technology in the Coal Mine[J].Engineering Blasting,2011,17(2):37-39.
• [6]GB 6722-2003爆破安全规程[S].北京:中国标准出版社,2004.GB 6722-2003 Safety Regulations for Blasting[S].Beijing:China Standards Press,2004.