爆破漏斗理论在边坡坡面成型控制中的应用  

Application of Blasting Funnel Theory in Shaping Forming Control of Slope

作　　者：杜炼 赵明生[1,2] 齐普衍 车云浩 张西 DU Lian;ZHAO Mingsheng;QI Puyan;CHE Yunhao;ZHANG Xil(College of mining,Guizhou University,Guiyang,Guizhou 550025,China;Poly Xinlian Blasting Engineering Group Co.,Ltd,Guiyang,Guizhou 550022,China;Beijing Institute of Technology Beiyang Blasting Engineering Technology Co.,Ltd,Beijing 100081,China)

机构地区：[1]贵州大学矿业学院,贵州贵阳550025 [2]保利新联爆破工程集团有限公司,贵州贵阳550022 [3]北京理工北阳爆破工程技术有限责任公司,北京100081

出　　处：《矿业研究与开发》2020年第9期18-22,共5页Mining Research and Development

基　　金：贵州省高层次创新型人才培养(百层次)计划项目(黔科合人才(2016)4030);2017年新疆维吾尔自治区天池百人计划项目(新人社函(2017)699);2017年创新型领军企业再支持计划项目(黔科合成果(2017)4774)。

摘　　要：针对预裂爆破或光面爆破装药工序复杂、钻孔难度大、时间成本高等问题,同时,为了提高露天台阶爆破的边坡成型效率,针对东山秀清矿山迹地修复治理工程,对爆破漏斗理论在边坡成型保护中的应用进行研究。首先,根据利文斯顿爆破漏斗理论在边坡坡面控制区进行爆破漏斗理论规划设计,然后结合现场情况,采用正交试验设计方法进行爆破漏斗试验,分析爆破效果的最佳水平,从而对爆破参数进行优化。结果表明:优化后的爆破参数为孔排距1.90m、炸药单耗0.4kg/m^3、保护层厚度0.45m。实践表明:采用优化的爆破参数能有效地对边坡成型进行控制,减少了超挖、欠挖量,减弱了因边坡破坏给后续施工进度带来的影响,提高了施工效率,降低了工程费用。Aiming at the problems in pre-split blasting or smooth blasting,including complicated charging process,difficult drilling,and high time cost,in order to improve the shaping forming efficiency of open-pit step blasting,Dongshan Xiuqing Mine was taken as the restoration and treatment project.The application of balsting funnel theory in shaping forming control of slope was studied.Firstly,according to the Livingston blasting funnel theory,the theoretical planning and design of the blasting funnel was performed in the shaping control area.Then,combined with the field condition,orthogonal test design was used for blasting funnel tests to analyze the best level of blasting effect,so as to further optimize the blasting parameters.The results show that the optimized blasting parameters are 1.90 mof row spacing,0.4 kg/m^3 of explosive charge,and 0.45 m thickness of the protective layer,which can effectively control the shaping formation of slope,reduce the phenomenon of overexcavation and under-excavation,weaken the impact of slope damage on subsequent construction progress,improve the construction efficiency and reduce the project cost.

关 键 词：边坡爆破 爆破漏斗 正交试验设计 爆破参数优化 

分 类 号：TD235.1[矿业工程—矿井建设]