Article(id=1241089942567318033, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241089933696364783, articleNumber=null, orderNo=null, doi=10.3963/j.issn.1001-487X.2023.02.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1673712000000, receivedDateStr=2023-01-15, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773828500644, onlineDateStr=2026-03-18, pubDate=1685548800000, pubDateStr=2023-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773828500644, onlineIssueDateStr=2026-03-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773828500644, creator=13701087609, updateTime=1773828500644, updator=13701087609, issue=Issue{id=1241089933696364783, tenantId=1146029695717560320, journalId=1240670690148397066, year='2023', volume='40', issue='2', pageStart='1', pageEnd='229', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773828498529, creator=13701087609, updateTime=1773828588505, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241090311141782020, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241089933696364783, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241090311141782021, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241089933696364783, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=42, endPage=47, ext={EN=ArticleExt(id=1241089942886085161, articleId=1241089942567318033, tenantId=1146029695717560320, journalId=1240670690148397066, language=EN, title=Experimental Study on Interval Charging Blasting of Deep Hole Bench Blasting in Open Pit Mine, columnId=1240702072862069231, journalTitle=Blasting, columnName=BLASTING IN ORE AND ROCK, runingTitle=null, highlight=null, articleAbstract=
Based on the actual production in jilangde open pit coal mine, the application of air interval charging blasting technology was clarified, defining two test significance: one is “reducing cost and increasing efficiency”, the other is “controlling blasting fragmentation”. Three groups of orthogonal tests are used to evaluate the application effect of air interval blasting technology. The photo photography method is used to identify the fragmentation distribution after blasting. Firstly, the matlab program is optimized with reference to relevant literature to process the fragmentation image into fragmentation distribution data. Secondly, the data is imported into Origin software to generate fragmentation distribution curve to evaluate the blasting effect. The test results show that the fragment size distribution of 17.3% interval blasting is close to continuous charging blasting. Conclusions 1: The air interval height has no positive correlation with the final effect., There is a reasonable interval height which is in line with the purpose of reducing cost and increasing efficiency of enterprises. The fragmentation grading evaluation method is used to analyze the uniformity of blasting effects of different charges. Firstly, the fragmentation distribution data is imported into Origin software to fit the blasting fragmentation grading curve. Secondly, five fragmentation evaluation indexes are summarized with reference to relevant literature. The analysis results are the uniformity of blasting block: continuous charge > interval 17.3% > interval 11.5% Conclusion 2: The charging amount can be reduced through the control of central air interval charging technology, so that the blasting effect is close to the traditional continuous charging, which can achieve the purpose of controlling blasting fragmentation.
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基于吉朗德露天煤矿现场实际生产研究空气间隔装药爆破技术的应用,明确两点试验意义:一是“降本增效”,二是“控制爆破块度”,采用三组正交试验来对空气间隔爆破技术的应用效果进行评价。运用照片摄影法来识别爆后块度分布,首先参考相关文献优化设计matlab程序将块度图像处理为块度分布数据,其次将数据导入Origin软件生成块度分布曲线评价爆破效果。试验结果为间隔17.3%爆破块度分布接近连续装药爆破,得出结论1:空气间隔高度并非越低越好,而是存在一个合理间隔高度,即在合理间隔高度爆破后的效果可以达到连续装药爆破的效果,符合企业降本增效的目的。运用块度级配评价方法分析不同装药爆破效果的均匀性,首先将块度分布数据导入Origin软件拟合为爆破块度级配曲线,其次参考相关文献总结五个块度评价指标。分析结果为爆破块度均匀性优劣:连续装药>间隔17.3%>间隔11.5%,得出结论2:可以通过中部空气间隔装药技术控制减少装药量使得爆破效果接近传统的连续装药,达到控制爆破块度的目的。
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, authorsList=金鑫, 高佳明, 苏宏伟, 陈化南, 毕京九)}, authors=[Author(id=1241089946564489956, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=395985299@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241089946694513394, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, authorId=1241089946564489956, language=EN, stringName=Xin JIN, firstName=Xin, middleName=null, lastName=JIN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.成远矿业开发股份有限公司,辽阳 111000, bio={"content":"
金鑫(1985-),男,采矿工程师,从事露天采矿及爆破工作,(E-mail)395985299@qq.com。
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金鑫(1985-),男,采矿工程师,从事露天采矿及爆破工作,(E-mail)395985299@qq.com。
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2.School of Mechanics and Architectural Engineering, China University of mining and Technology (Beijing), Beijing 100083, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241089947101360919, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, authorId=1241089946879062786, language=CN, stringName=高佳明, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.Chengyuan Mining Development Co., Ltd., Liaoyang 111000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241089947839558490, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, authorId=1241089947562734407, language=CN, stringName=陈化南, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.中国矿业大学(北京) 力学与建筑工程学院,北京 100083, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241089946392523475, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, xref=2., ext=[AuthorCompanyExt(id=1241089946405106389, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, companyId=1241089946392523475, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.中国矿业大学(北京) 力学与建筑工程学院,北京 100083)])])], keywords=[Keyword(id=1241089948389012370, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=EN, orderNo=1, keyword=open air blasting), Keyword(id=1241089948498064289, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=EN, orderNo=2, keyword=air interval charge), Keyword(id=1241089948581950378, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=EN, orderNo=3, keyword=block size control), Keyword(id=1241089948691002291, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=CN, orderNo=1, keyword=露天爆破), Keyword(id=1241089948833608643, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=CN, orderNo=2, keyword=空气间隔装药), Keyword(id=1241089950377112526, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=CN, orderNo=3, keyword=块度控制)], refs=[Reference(id=1241089953115992233, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, doi=null, pmid=null, pmcid=null, year=2020, volume=40, issue=6, pageStart=96, pageEnd=107, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=杨仁树, 李炜煜, 杨国梁, journalName=爆炸与冲击, refType=null, unstructuredReference=杨仁树, 李炜煜, 杨国梁, 等. 炸药类型对富铁矿爆破效果影响的试验研究[J].
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1.成远矿业开发股份有限公司,辽阳 111000)]), AuthorCompany(id=1241089946392523475, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, xref=2., ext=[AuthorCompanyExt(id=1241089946405106389, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, companyId=1241089946392523475, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.中国矿业大学(北京) 力学与建筑工程学院,北京 100083)])], figs=[ArticleFig(id=1241089950519718878, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=EN, label=Fig. 1, caption=
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过程处理图像, figureFileSmall=RF9Cg5m6zrDF3W0PoTJJqw==, figureFileBig=qTIU6Vh9z27Pq2RIG4epNg==, tableContent=null), ArticleFig(id=1241089951627014207, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=EN, label=Fig. 5, caption=
Block size distribution curve, figureFileSmall=sCu7p4fU4Z6ebK9QToM+Fw==, figureFileBig=VZuyfoIB7bthJodtslYrZg==, tableContent=null), ArticleFig(id=1241089951719288904, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=CN, label=图5, caption=
块度分布曲线, figureFileSmall=sCu7p4fU4Z6ebK9QToM+Fw==, figureFileBig=VZuyfoIB7bthJodtslYrZg==, tableContent=null), ArticleFig(id=1241089951845118038, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=EN, label=Fig. 6, caption=
Blasting fragmentation grading curve, figureFileSmall=EtHjXOj/+hZp/WCuK6YRpg==, figureFileBig=Ae1z4mRmzhivRUNaot5EEw==, tableContent=null), ArticleFig(id=1241089951970947168, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=CN, label=图6, caption=
爆破块度级配曲线, figureFileSmall=EtHjXOj/+hZp/WCuK6YRpg==, figureFileBig=Ae1z4mRmzhivRUNaot5EEw==, tableContent=null), ArticleFig(id=1241089952100970604, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=EN, label=Table 1, caption=
Blasting design of test area
, figureFileSmall=null, figureFileBig=null, tableContent=
| 爆破位置与规模 | 爆破位置 | 西帮1356南区 | 钻孔米数/m | 795.4 |
| 底盘标高/m | 1344 | 爆破面积/m2 | 1702.2 |
| 爆破孔数/个 | 60 | 爆破方量/m3 | 22565.4 |
| 爆破设计参数 | 钻孔直径D/mm | 120 | 钻孔角度/度 | 90 |
| 台阶高度H/m | 12 | 孔距a/m | 8 |
| 底盘抵抗线Wd/m | 5.0 | 排距b/m | 4.5~5 |
| 超深h/m | 1.0 | 炸药单耗q/(kg·m-3) | 0.27 |
| 边孔距B/m | 1.5 | 岩石台阶炮孔填塞长度/m | 4.0 |
), ArticleFig(id=1241089952205828208, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=CN, label=表1, caption=
试验区爆破设计表
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| 爆破位置与规模 | 爆破位置 | 西帮1356南区 | 钻孔米数/m | 795.4 |
| 底盘标高/m | 1344 | 爆破面积/m2 | 1702.2 |
| 爆破孔数/个 | 60 | 爆破方量/m3 | 22565.4 |
| 爆破设计参数 | 钻孔直径D/mm | 120 | 钻孔角度/度 | 90 |
| 台阶高度H/m | 12 | 孔距a/m | 8 |
| 底盘抵抗线Wd/m | 5.0 | 排距b/m | 4.5~5 |
| 超深h/m | 1.0 | 炸药单耗q/(kg·m-3) | 0.27 |
| 边孔距B/m | 1.5 | 岩石台阶炮孔填塞长度/m | 4.0 |
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Charging parameters
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| 装药方式 | 孔深/m | 堵塞长度/m | 延米药量/(kg·m-1) | 单孔药量/kg | 本次爆破总药量/kg |
|---|
| 连续装药 | 13 | 4 | 10 | 90.0 | 1800 |
| 间隔11.5% | 13 | 4 | 10 | 75.0 | 1500 |
| 间隔17.3% | 13 | 4 | 10 | 67.5 | 1350 |
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装药参数
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| 装药方式 | 孔深/m | 堵塞长度/m | 延米药量/(kg·m-1) | 单孔药量/kg | 本次爆破总药量/kg |
|---|
| 连续装药 | 13 | 4 | 10 | 90.0 | 1800 |
| 间隔11.5% | 13 | 4 | 10 | 75.0 | 1500 |
| 间隔17.3% | 13 | 4 | 10 | 67.5 | 1350 |
), ArticleFig(id=1241089952574926986, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=EN, label=Table 3, caption=
Evaluation index of blasting fragmentation
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| 评价指标 | 评价指标含义及获取方式 |
|---|
| 小块破碎尺寸(d10) | 块度分布曲线中通过率为0.10时对应的尺寸;该值越小,爆破碎块的小块尺寸越小。 |
| 平均破碎尺寸(d50) | 块度分布曲线中通过率为0.50时对应的尺寸;该值越小,爆破碎块块体尺寸的平均值越小。 |
| 大块破碎尺寸(d90) | 块度分布曲线中通过率为0.90时对应的尺寸;该值越大,爆破碎块的大块尺寸越大。 |
| 块体不均匀系数(d90/d50) | 块破碎尺寸与平均破碎尺寸的比;该值越大,块度分布均匀性越差。 |
| 最大块度(dmax) | 块度分布曲线中通过率为1.00时对应的尺寸;该值越大,爆破碎块的大块尺寸越大。 |
), ArticleFig(id=1241089952713339028, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=CN, label=表3, caption=
爆破块度评价指标
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| 评价指标 | 评价指标含义及获取方式 |
|---|
| 小块破碎尺寸(d10) | 块度分布曲线中通过率为0.10时对应的尺寸;该值越小,爆破碎块的小块尺寸越小。 |
| 平均破碎尺寸(d50) | 块度分布曲线中通过率为0.50时对应的尺寸;该值越小,爆破碎块块体尺寸的平均值越小。 |
| 大块破碎尺寸(d90) | 块度分布曲线中通过率为0.90时对应的尺寸;该值越大,爆破碎块的大块尺寸越大。 |
| 块体不均匀系数(d90/d50) | 块破碎尺寸与平均破碎尺寸的比;该值越大,块度分布均匀性越差。 |
| 最大块度(dmax) | 块度分布曲线中通过率为1.00时对应的尺寸;该值越大,爆破碎块的大块尺寸越大。 |
), ArticleFig(id=1241089952834973850, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=EN, label=Table 4, caption=
Evaluation index of blasting fragmentation distribution
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| 装药结构 | d10/cm | d50/cm | d90/cm | d90/d50 | dmax/cm |
|---|
| 连续装药 | 14.14 | 26.08 | 41.11 | 1.58 | 69.50 |
| 间隔11.5% | 14.49 | 26.46 | 43.24 | 1.63 | 134.35 |
| 间隔17.3% | 14.14 | 25.69 | 41.59 | 1.62 | 71.48 |
), ArticleFig(id=1241089952977580193, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241089942567318033, language=CN, label=表4, caption=
爆破块度分布评价指标
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| 装药结构 | d10/cm | d50/cm | d90/cm | d90/d50 | dmax/cm |
|---|
| 连续装药 | 14.14 | 26.08 | 41.11 | 1.58 | 69.50 |
| 间隔11.5% | 14.49 | 26.46 | 43.24 | 1.63 | 134.35 |
| 间隔17.3% | 14.14 | 25.69 | 41.59 | 1.62 | 71.48 |
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