Article(id=1322909439866577108, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322909380756243363, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1715011200000, receivedDateStr=2024-05-07, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793335788932, onlineDateStr=2026-10-30, pubDate=1745510400000, pubDateStr=2025-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793335788932, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793335788932, creator=13701087609, updateTime=1793335788932, updator=13701087609, issue=Issue{id=1322909380756243363, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='4', pageStart='1', pageEnd='288', issueExtLink='null', onlineDate='null', pubDate='1745510400000', pubDateStr='2025-04-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793335774840, creator='13701087609', updateTime=1793335774840, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=96, endPage=103, ext={EN=ArticleExt(id=1322909442303467733, articleId=1322909439866577108, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Optimization Study on Hole Network Parameters of Fan-Shaped Medium-Deep Hole Blasting, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
After conducting fan-shaped medium-deep hole blasting in underground metal mines, a series of problems such as roof collapse, hanging roof, and high block rate are prone to occur, which have certain safety hazards and high costs of secondary crushing. It is necessary to optimize the hole network parameters of the fan-shaped medium-deep hole blasting in order to ensure the uniformity of blasting blocks and the safety of the blasting operation surface. Based on the analysis of the blasting funnel test results for a fan-shaped medium-deep hole blasting with a diameter of 89 mm in a Russian mine, the reasonable ranges of hole network parameters were determined as follows, hole bottom distance of 2.8−3.2 m and row spacing of 2.3−2.5 m. Subsequently, ANSYS/LS-DYNA numerical simulation software was used to calculate and analyze the blasting models with different hole bottom distances, and the optimal hole bottom distance was determined to be 2.6−2.8 m. The optimized hole network parameters were used for on-site industrial testing, and after blasting, the fragmentation of the mining area was uniform, the roof stability was good, and the overall blasting effect was good.
, authors=Yazhou GU
1, 2, 3, Chuang LI
1, 2, 3, Nanhai CHEN
2, 4, Guohong ZHONG
2, 4, Zhichao TANG
2, 4, authorsList=Yazhou GU, Chuang LI, Nanhai CHEN, Guohong ZHONG, Zhichao TANG, 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=1322909452831170808, articleId=1322909439866577108, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=扇形中深孔爆破孔网参数优化研究, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=
地下金属矿山扇形中深孔爆破后易出现矿岩顶板垮落、悬顶及大块率高等问题,具有一定的安全隐患,且二次破碎成本较高。为保证爆破块度均匀及爆破作业面的安全,非常有必要对扇形中深孔爆破孔网参数进行优化研究。针对俄罗斯某矿炮孔直径为89 mm的扇形中深孔爆破,通过分析爆破漏斗试验结果,得出孔网参数的合理范围:孔底距2.8~3.2 m,排距2.3~2.5 m。随后采用ANSYS/LS-DYNA数值模拟软件对不同孔底距的爆破模型进行计算分析,得出最优孔底距为2.6~2.8 m。采用优化后的孔网参数进行现场工业试验,爆破后采场爆破块度均匀,顶板稳定性较好,整体爆破效果良好。
, authors=谷亚州
1, 2, 3, 李闯
1, 2, 3, 陈南海
2, 4, 钟国鸿
2, 4, 唐志超
2, 4, authorsList=谷亚州, 李闯, 陈南海, 钟国鸿, 唐志超, authorCompany=null, correspAuthors=null, authorNote=
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1, 2, 3, address=
1.State Key Laboratory of Comprehensive Utilization of Low-grade Refractory Gold Ores, Shanghang County, Fujian 364204, China
2.Zijin Mining Group Co., Ltd., Shanghang County, Fujian 364200, China
3.Zijin (Changsha) Engineering Technology Co., Ltd., Changsha, Hunan 410036, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322909456232751371, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, authorId=1322909455817515270, language=CN, stringName=谷亚州, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1.低品位难处理黄金资源综合利用国家重点实验室,福建 上杭县 364204
2.紫金矿业集团股份有限公司,福建 上杭县 364200
3.紫金(长沙)工程技术有限公司,湖南 长沙 410036, bio={"content":"
谷亚州(1996—),男,河南驻马店人,硕士,工程师,主要从事采矿与爆破方面的研究。E-mail:598930306@qq.com
"}, bioImg=null, bioContent=
谷亚州(1996—),男,河南驻马店人,硕士,工程师,主要从事采矿与爆破方面的研究。E-mail:598930306@qq.com
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1.State Key Laboratory of Comprehensive Utilization of Low-grade Refractory Gold Ores, Shanghang County, Fujian 364204, China), AuthorCompanyExt(id=1322909453670031611, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, companyId=1322909453649060089, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.紫金(长沙)工程技术有限公司,湖南 长沙 410036)])]), Author(id=1322909456345997581, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322909456580878609, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, authorId=1322909456345997581, language=EN, stringName=Chuang LI, firstName=Chuang, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1.State Key Laboratory of Comprehensive Utilization of Low-grade Refractory Gold Ores, Shanghang County, Fujian 364204, China
2.Zijin Mining Group Co., Ltd., Shanghang County, Fujian 364200, China
3.Zijin (Changsha) Engineering Technology Co., Ltd., Changsha, Hunan 410036, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322909456656376082, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, authorId=1322909456345997581, language=CN, stringName=李闯, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1.低品位难处理黄金资源综合利用国家重点实验室,福建 上杭县 364204
2.紫金矿业集团股份有限公司,福建 上杭县 364200
3.紫金(长沙)工程技术有限公司,湖南 长沙 410036, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322909453649060089, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, xref=1., ext=[AuthorCompanyExt(id=1322909453661643002, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, companyId=1322909453649060089, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.State Key Laboratory of Comprehensive Utilization of Low-grade Refractory Gold Ores, Shanghang County, Fujian 364204, China), AuthorCompanyExt(id=1322909453670031611, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, companyId=1322909453649060089, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.紫金矿业集团股份有限公司,福建 上杭县 364200)]), AuthorCompany(id=1322909454991237375, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, xref=3., ext=[AuthorCompanyExt(id=1322909454999625984, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, companyId=1322909454991237375, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.Zijin (Changsha) Engineering Technology Co., Ltd., Changsha, Hunan 410036, China), AuthorCompanyExt(id=1322909455003820289, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, companyId=1322909454991237375, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.紫金(长沙)工程技术有限公司,湖南 长沙 410036)])]), Author(id=1322909456765427988, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322909456899645719, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, authorId=1322909456765427988, language=EN, stringName=Nanhai CHEN, firstName=Nanhai, middleName=null, lastName=CHEN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 4, address=
2.Zijin Mining Group Co., Ltd., Shanghang County, Fujian 364200, China
4.Longxing Co., Ltd., Kyzyl 667000, Tyva Republic, Russia, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322909457050640664, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, authorId=1322909456765427988, language=CN, stringName=陈南海, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 4, address=
2.紫金矿业集团股份有限公司,福建 上杭县 364200
4.龙兴有限责任公司,图瓦共和国克孜勒 667000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322909454907351292, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, xref=2., ext=[AuthorCompanyExt(id=1322909454915739901, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, companyId=1322909454907351292, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Zijin Mining Group Co., Ltd., Shanghang County, Fujian 364200, China), AuthorCompanyExt(id=1322909454928322814, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, companyId=1322909454907351292, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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4.龙兴有限责任公司,图瓦共和国克孜勒 667000)])]), Author(id=1322909457134526746, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322909457247772957, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, authorId=1322909457134526746, language=EN, stringName=Guohong ZHONG, firstName=Guohong, middleName=null, lastName=ZHONG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 4, address=
2.Zijin Mining Group Co., Ltd., Shanghang County, Fujian 364200, China
4.Longxing Co., Ltd., Kyzyl 667000, Tyva Republic, Russia, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322909457340047646, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, authorId=1322909457134526746, language=CN, stringName=钟国鸿, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 4, address=
2.紫金矿业集团股份有限公司,福建 上杭县 364200
4.龙兴有限责任公司,图瓦共和国克孜勒 667000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322909454907351292, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, xref=2., ext=[AuthorCompanyExt(id=1322909454915739901, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, companyId=1322909454907351292, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.紫金矿业集团股份有限公司,福建 上杭县 364200)]), AuthorCompany(id=1322909455398084866, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, xref=4., ext=[AuthorCompanyExt(id=1322909455410667779, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, companyId=1322909455398084866, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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4.龙兴有限责任公司,图瓦共和国克孜勒 667000)])]), Author(id=1322909457428128032, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322909457541374243, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, authorId=1322909457428128032, language=EN, stringName=Zhichao TANG, firstName=Zhichao, middleName=null, lastName=TANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 4, address=
2.Zijin Mining Group Co., Ltd., Shanghang County, Fujian 364200, China
4.Longxing Co., Ltd., Kyzyl 667000, Tyva Republic, Russia, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322909457616871716, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, authorId=1322909457428128032, language=CN, stringName=唐志超, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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4.龙兴有限责任公司,图瓦共和国克孜勒 667000)])], figs=[ArticleFig(id=1322909460154425647, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Fig.1, caption=
Test site in N13 approach at −60 m sub-section, figureFileSmall=kb/b3GnHyGnbuds7jLIlwA==, figureFileBig=8PouoxYucAiWUKLwTalq0Q==, tableContent=null), ArticleFig(id=1322909460250894640, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=图1, caption=
-60 m分段N13进路试验地点, figureFileSmall=kb/b3GnHyGnbuds7jLIlwA==, figureFileBig=8PouoxYucAiWUKLwTalq0Q==, tableContent=null), ArticleFig(id=1322909460523524401, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Fig.2, caption=
Test site in N21 approach at −60 m sub-section, figureFileSmall=F5Oa6qdfoGqw7c8pvjZMWg==, figureFileBig=H3BhiV/Ob9JWw55/0lucGA==, tableContent=null), ArticleFig(id=1322909460624187698, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=图2, caption=
-60 m分段N21进路试验地点, figureFileSmall=F5Oa6qdfoGqw7c8pvjZMWg==, figureFileBig=H3BhiV/Ob9JWw55/0lucGA==, tableContent=null), ArticleFig(id=1322909460766794035, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Fig.3, caption=
Test site in YN1 contact roadway along the vein at −40 m sub-section, figureFileSmall=wkbbEh33MUYX4JqSgItjag==, figureFileBig=7ZkBIZ6RiTLQfu7P2JHDqA==, tableContent=null), ArticleFig(id=1322909460846485812, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=图3, caption=
-40 m分段YN1沿脉联络巷道试验地点, figureFileSmall=wkbbEh33MUYX4JqSgItjag==, figureFileBig=7ZkBIZ6RiTLQfu7P2JHDqA==, tableContent=null), ArticleFig(id=1322909460917788981, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Fig.4, caption=
The funnel outline of the multi-hole simultaneous blasting, figureFileSmall=lbQt9XKxqXMEU31GL/ZrZQ==, figureFileBig=dWGefjW5kzJsytiE/TYa9w==, tableContent=null), ArticleFig(id=1322909460989092150, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=图4, caption=
多孔同段爆破漏斗轮廓, figureFileSmall=lbQt9XKxqXMEU31GL/ZrZQ==, figureFileBig=dWGefjW5kzJsytiE/TYa9w==, tableContent=null), ArticleFig(id=1322909461072978231, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Fig.5, caption=
Block degree of ore in early industrial test stope, figureFileSmall=mv7++KlbJMS+W82vCspB6w==, figureFileBig=t58+FOYf5b92TP9EiE21yg==, tableContent=null), ArticleFig(id=1322909461177835832, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=图5, caption=
前期工业试验采场块度情况, figureFileSmall=mv7++KlbJMS+W82vCspB6w==, figureFileBig=t58+FOYf5b92TP9EiE21yg==, tableContent=null), ArticleFig(id=1322909461316247865, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Fig.6, caption=
Numerical model and monitoring points layout, figureFileSmall=czXSJGYaJbUDSPaTrSsJIw==, figureFileBig=E68ZlY5wNvlT3QN7nC6usQ==, tableContent=null), ArticleFig(id=1322909461412716858, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=图6, caption=
数值模型及监测点布置, figureFileSmall=czXSJGYaJbUDSPaTrSsJIw==, figureFileBig=E68ZlY5wNvlT3QN7nC6usQ==, tableContent=null), ArticleFig(id=1322909461509185851, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Fig.7, caption=
Cloud diagrams of effective blasting stress in hole bottom distance numerical models, figureFileSmall=YE6VcBTDQEgAdVY5RROI3A==, figureFileBig=CXGZT+ldQRb3I+ZwBZNBpA==, tableContent=null), ArticleFig(id=1322909461601460540, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=图7, caption=
孔底距数值模型爆破有效应力云图, figureFileSmall=YE6VcBTDQEgAdVY5RROI3A==, figureFileBig=CXGZT+ldQRb3I+ZwBZNBpA==, tableContent=null), ArticleFig(id=1322909461681152317, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Fig.8, caption=
Time history curves of the effective stress at monitoring points in each hole bottom distance model, figureFileSmall=t5vj5X5mtRwafpnY1srC3Q==, figureFileBig=XuXy8Iow3jxZ4aycbmSDPw==, tableContent=null), ArticleFig(id=1322909461773427006, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=图8, caption=
各孔底距模型监测点有效应力时程曲线, figureFileSmall=t5vj5X5mtRwafpnY1srC3Q==, figureFileBig=XuXy8Iow3jxZ4aycbmSDPw==, tableContent=null), ArticleFig(id=1322909461848924479, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Fig.9, caption=
Test stope design layout, figureFileSmall=BZM/XPbBkIjFddoVmIulMg==, figureFileBig=aJPf3wGSZe3hyz2gCc3RVA==, tableContent=null), ArticleFig(id=1322909461911839040, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=图9, caption=
试验采场设计布置, figureFileSmall=BZM/XPbBkIjFddoVmIulMg==, figureFileBig=aJPf3wGSZe3hyz2gCc3RVA==, tableContent=null), ArticleFig(id=1322909461995725121, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Fig.10, caption=
Block degree of ore blasting in test stope, figureFileSmall=o3GJ9yVLSopyi1+T1uVN7g==, figureFileBig=SLRuyk+v+dA1l46xOSEpOA==, tableContent=null), ArticleFig(id=1322909463648280898, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=图10, caption=
试验采场爆破块度情况, figureFileSmall=o3GJ9yVLSopyi1+T1uVN7g==, figureFileBig=SLRuyk+v+dA1l46xOSEpOA==, tableContent=null), ArticleFig(id=1322909463736361283, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Fig.11, caption=
Statistical of ore-rock size in test stope, figureFileSmall=2GNBFXnflNWF+Eyt1urx8A==, figureFileBig=mAa2nY+zYITR5Xnz3CV/2Q==, tableContent=null), ArticleFig(id=1322909463828635972, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=图11, caption=
试验采场矿岩尺寸统计, figureFileSmall=2GNBFXnflNWF+Eyt1urx8A==, figureFileBig=mAa2nY+zYITR5Xnz3CV/2Q==, tableContent=null), ArticleFig(id=1322909463912522053, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Table 1, caption=
The results of multi-hole simultaneous blasting test
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 炮孔编号 | 药包埋深/m | 炮孔间距/m | 炸药单耗/(kg/t) | 爆破块度情况描述 |
|---|
| 1 | 7#~8# | 0.6 | 1.13 | 0.358 | 块度较小,均匀。 |
| 2 | 8#~9# | 0.6 | 1.31 | 0.366 | 块度均匀,基本无大块。 |
| 3 | 9#~10# | 0.6 | 1.51 | 0.453 | 块度较小,崩落量很少。 |
), ArticleFig(id=1322909463996408134, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=表1, caption=
多孔同段爆破试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 炮孔编号 | 药包埋深/m | 炮孔间距/m | 炸药单耗/(kg/t) | 爆破块度情况描述 |
|---|
| 1 | 7#~8# | 0.6 | 1.13 | 0.358 | 块度较小,均匀。 |
| 2 | 8#~9# | 0.6 | 1.31 | 0.366 | 块度均匀,基本无大块。 |
| 3 | 9#~10# | 0.6 | 1.51 | 0.453 | 块度较小,崩落量很少。 |
), ArticleFig(id=1322909464076099911, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Table 2, caption=
The results of slope bench blasting test
, figureFileSmall=null, figureFileBig=null, tableContent=
| 孔号 | 孔深/m | 倾角/(°) | 装药长度/m | 装药量/kg | 每米炮孔装药量/kg | 堵塞长度/m | 爆开处抵抗线/m |
|---|
| 斜1 | 1.8 | 40 | 1.4 | 1.6 | 1.143 | 0.4 | 1.00 |
| 斜2 | 1.8 | 41 | 1.4 | 1.6 | 1.143 | 0.4 | 0.90 |
| 斜3 | 1.8 | 40 | 1.4 | 1.6 | 1.143 | 0.4 | 1.12 |
| 斜4 | 1.8 | 40 | 1.4 | 1.6 | 1.143 | 0.4 | 1.02 |
| 斜5 | 1.8 | 46 | 1.4 | 1.6 | 1.143 | 0.4 | 0.85 |
| 斜6 | 1.8 | 40 | 1.4 | 1.6 | 1.143 | 0.4 | 1.10 |
| 平均值 | 1.8 | — | 1.4 | 1.6 | 1.143 | 0.4 | 0.998 |
), ArticleFig(id=1322909464155791688, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=表2, caption=
斜面台阶爆破试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 孔号 | 孔深/m | 倾角/(°) | 装药长度/m | 装药量/kg | 每米炮孔装药量/kg | 堵塞长度/m | 爆开处抵抗线/m |
|---|
| 斜1 | 1.8 | 40 | 1.4 | 1.6 | 1.143 | 0.4 | 1.00 |
| 斜2 | 1.8 | 41 | 1.4 | 1.6 | 1.143 | 0.4 | 0.90 |
| 斜3 | 1.8 | 40 | 1.4 | 1.6 | 1.143 | 0.4 | 1.12 |
| 斜4 | 1.8 | 40 | 1.4 | 1.6 | 1.143 | 0.4 | 1.02 |
| 斜5 | 1.8 | 46 | 1.4 | 1.6 | 1.143 | 0.4 | 0.85 |
| 斜6 | 1.8 | 40 | 1.4 | 1.6 | 1.143 | 0.4 | 1.10 |
| 平均值 | 1.8 | — | 1.4 | 1.6 | 1.143 | 0.4 | 0.998 |
), ArticleFig(id=1322909464231289161, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Table 3, caption=
Recommended hole network parameters for fan-shaped deep hole rock drilling and blasting
, figureFileSmall=null, figureFileBig=null, tableContent=
| 孔径/mm | 排距/m | 孔底距/m | 炸药单耗/(kg/t) |
|---|
| 89 | 2.3~2.5 | 2.8~3.2 | 0.38~0.42 |
), ArticleFig(id=1322909464306786634, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=表3, caption=
推荐的扇形中深孔凿岩爆破孔网参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 孔径/mm | 排距/m | 孔底距/m | 炸药单耗/(kg/t) |
|---|
| 89 | 2.3~2.5 | 2.8~3.2 | 0.38~0.42 |
), ArticleFig(id=1322909464386478411, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=EN, label=Table 4, caption=
Statistical of effective stress peak at monitoring points in each hole bottom distance model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 孔底距a/m | 监测点 | 有效应力峰值/MPa | 岩石是否发生破坏 |
|---|
| 2.2 | A | 159.52 | 是 |
| B | 266.49 | 是 |
| C | 95.76 | 是 |
| D | 122.07 | 是 |
| 2.4 | A | 130.46 | 是 |
| B | 249.78 | 是 |
| C | 82.35 | 否 |
| D | 101.00 | 是 |
| 2.6 | A | 118.27 | 是 |
| B | 231.80 | 是 |
| C | 81.65 | 否 |
| D | 86.91 | 否 |
| 2.8 | A | 104.00 | 是 |
| B | 203.00 | 是 |
| C | 85.20 | 否 |
| D | 85.40 | 否 |
| 3.0 | A | 92.24 | 否 |
| B | 180.60 | 是 |
| C | 84.98 | 否 |
| D | 87.38 | 否 |
| 3.2 | A | 85.18 | 否 |
| B | 162.06 | 是 |
| C | 83.67 | 否 |
| D | 85.42 | 否 |
), ArticleFig(id=1322909464558444876, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909439866577108, language=CN, label=表4, caption=
各孔底距模型监测点有效应力峰值统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 孔底距a/m | 监测点 | 有效应力峰值/MPa | 岩石是否发生破坏 |
|---|
| 2.2 | A | 159.52 | 是 |
| B | 266.49 | 是 |
| C | 95.76 | 是 |
| D | 122.07 | 是 |
| 2.4 | A | 130.46 | 是 |
| B | 249.78 | 是 |
| C | 82.35 | 否 |
| D | 101.00 | 是 |
| 2.6 | A | 118.27 | 是 |
| B | 231.80 | 是 |
| C | 81.65 | 否 |
| D | 86.91 | 否 |
| 2.8 | A | 104.00 | 是 |
| B | 203.00 | 是 |
| C | 85.20 | 否 |
| D | 85.40 | 否 |
| 3.0 | A | 92.24 | 否 |
| B | 180.60 | 是 |
| C | 84.98 | 否 |
| D | 87.38 | 否 |
| 3.2 | A | 85.18 | 否 |
| B | 162.06 | 是 |
| C | 83.67 | 否 |
| D | 85.42 | 否 |
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