张鑫,舒大强

• 1:武汉大学 水资源与水电工程科学国家重点实验室

摘要(Abstract)：

运用数值计算方法研究了台阶爆破中常规孔距与宽孔距的应力场分布与破岩机理。由模拟结果可知,当密集系数为1.0或3.7以上时,孔间应力叠加效果并不好。而密集系数在1.7～3.7之间时,孔间应力分布均匀,叠加效果较好,这是有利于岩体破碎及减少大块率的。

关键词(KeyWords)： 宽孔距爆破;密集系数;数值模拟;破岩机理

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 张鑫,舒大强

参考文献(References)：

• [1]张正宇,张文煊.现代水利水电工程爆破[M].北京:中国水利水电出版社,2003:72-75.[1]ZHANG Zheng-yu,ZHANG Wen-xuan.Water resourcesand hydropower engineering blasting[M].Beijing:ChinaWater Power Press,2003:72-75.(in Chinese)
• [2]钱运东,张英.宽孔距深孔梯段爆破在鲁地拉水电站工程中的应用[J].地下水,2011,33(1):182-184.[2]QIAN Yun-dong,ZHANG Ying.Application of wide pitchdeep hole bench blasting in Ludila hydropower project[J].Ground Water,2011,33(1):182-184.(in Chinese)
• [3]李长权,戚文革,李延春,等.宽孔距小排距爆破技术在大黑山钼矿的应用[J].黄金,2011,32(7):36-39.[3]LI Chang-quan,QI Wen-ge,LI Yan-chun,et al.Applica-tion of long hole distance-short array distance blasting inDaheishan molybdenum mine[J].Gold,2011,32(7):36-39.(in Chinese)
• [4]杨波.宽孔距小抵抗线爆破技术在云浮硫铁矿的应用[J].广东化工,2007,34(6):146-147.[4]YANG Bo.Application of wide-space and small burdenblasting technology in Yunfu pyrite mine[J].GuangdongChemical Industry,2007,34(6):146-147.(in Chinese)
• [5]郑瑞春,马柏令,高士才.爆破参数对破岩质量的影响规律及小抵抗线大孔距爆破机理的探讨(上)[R].马鞍山:冶金部马鞍山矿山研究院,1987.[5]ZHENG Rui-chun,MA Bo-ling,GAO Shi-cai.Law ofblasting parameters'impact on the quality of rock break-ing and mechanism discussion of wide hole-distance andsmall burden blasting[R].Ma'anshan:Ministry of Metal-lurgy Ma'anshan Institute of Mining Research,1987.(inChinese)
• [6]王金龙.ANSYS12.0土木工程应用实例解析[M].北京:机械工业出版社,2011.[6]WANG Jin-long.Examples analysis of ANSYS12.0 appli-cations in civil engineering[M].Beijing:China MachinePress,2011.(in Chinese)
• [7]刘智权.大间距无底柱分段崩落法回采爆破参数的研究[D].武汉:武汉科技大学,2005.[7]LIU Zhi-quan.The research of stope blasting parameter insublevel caving method with large space[D].Wuhan:Wuhan University of Science and Technology,2005.(inChinese).
• [8]丁林敏,王茂玲.层状岩体台阶爆破数值模拟研究与工程应用[J].矿业研究与开发,2011,31(6):92-95.[8]DING Lin-min,WANG Mao-ling.Numerical simulationand application on bench blasting in leyered rock[J].Mining Research and Development,2011,31(6):92-95.(in Chinese)
• [9]夏超,何君.宽孔距爆破机理分析及在黄麦岭磷矿的应用[J].爆破,1989,6(3):13-16.[9]XIA Chao,HE Jun.Mechanism analysis of wide holespacing blasting and application in Huangmailing phos-phate[J].Blasting,1989,6(3):13-16.(in Chinese)
• [10]何广沂.宽孔距爆破技术在梯段爆破中的应用[J].爆破,1985,2(3):39-43.[10]HE Guang-yi.Application of wide hole spacing technolo-gy in bench blasting[J].Blasting,1985,2(3):39-43.(in Chinese)
• [11]郑灿胜,庄健康,李战军.宽孔距小抵抗线技术在深孔爆破中的应用[J].矿业工程,2010,8(3):40-42.[11]ZHENG Can-sheng,ZHUANG Jian-kang,LI Zhan-jun.Wide hole spacing small burden technology applied indeep hole blasting[J].Mining Engineering,2010,8(3):40-42.(in Chinese)