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Due to the interference of various factors in the actual productions of mine, there are often the sites to be drilled and blasted with extremely irregular shapes. Different plans of blast area and blasting design schemes could seriously influence the final techno-economic indicator of blasting and the work efficiency of equipment. Take the falcate special-shaped blast area as an example, the network design and regional blasting design are reasonably optimized through the systematic site planning and blasting design of blast area. The blasting restriction caused by site space limitation of blast area is well relieved through designing the trenching blast with double initiations network at the first initiation column so that the quality of supply of goods loaded is improved, the blasting costs and effects of blasting on productions are reduced as well as the work efficiency of equipment is improved.

, authors=Yong-fu Yan, Wen-xiu Du, authorsList=Yong-fu Yan, Wen-xiu Du, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319224743916581179, articleId=1319224743136440633, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=巴润矿山特殊形状爆区爆破设计优化, columnId=1185882039552193444, journalTitle=包钢科技, columnName=生产实践与管理, runingTitle=null, highlight=null, articleAbstract=

由于矿山实际生产过程中各种因素的干扰，经常会出现形状极其不规整的待穿孔爆破场地，不同的爆区规划方式和爆破设计方案会对最终的爆破经济技术指标和设备的作业效率造成严重的影响。以“镰刀形”异形爆区为例，通过系统性的爆区场地规划和爆破设计，将异形爆区网路设计以及分区爆破设计进行合理的优化，通过设计双起爆网路的掏槽列掘沟爆破，很好的缓解了由于爆区场地空间限制导致的爆破夹制作用，改善了爆破后采装货源的质量，降低了爆破成本，降低了爆破对生产的影响，提高了设备的作业效率。

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闫永富（1989-），男，内蒙古包头市人，硕士，工程师，现从事采场边坡作业工作。

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闫永富（1989-），男，内蒙古包头市人，硕士，工程师，现从事采场边坡作业工作。

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