Article(id=1322594814231695649, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322594813749350688, 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=1709222400000, receivedDateStr=2024-03-01, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793260776336, onlineDateStr=2026-10-29, pubDate=1740412800000, pubDateStr=2025-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793260776336, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793260776336, creator=13701087609, updateTime=1793260776336, updator=13701087609, issue=Issue{id=1322594813749350688, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='2', pageStart='1', pageEnd='288', issueExtLink='null', onlineDate='null', pubDate='1740412800000', pubDateStr='2025-02-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793260776220, creator='13701087609', updateTime=1793260776220, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=66, endPage=72, ext={EN=ArticleExt(id=1322594814386884898, articleId=1322594814231695649, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Optimization and Application of Backfill Material Mix Ratio in the Second Mining Area of Peki Copper-Gold Mine, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to meet the requirements of the two-step stope mining in the Peki Copper-Gold Mine of Serbia for the backfill strength and reduce the backfill cost, the backfill material mix ratio was optimized. The backfill strength in different parts of the stope was preliminarily determined by theoretical calculation, and several groups of indoor tests of backfill material mix ratio were carried out. The test shows that the uniaxial compressive strength of the backfill increases with the increase of the mass concentration of the backfill material and the cement-sand ratio. When the mass concentration is 68%, the cement-sand ratio is 1:6 and 1:8, the backfill strength can meet the strength requirements of the theoretical calculation. On this basis, the industrial test was carried out. The results show that the backfill strength requirements of the two-step stope mining can be met using 1:6 cement-sand ratio at the bottom of the first-step stope and 1:8 cement-sand ratio at the top and middle of the first-step stope. At the same time, compared with the original backfill ratio scheme, the backfill cost can be reduced by 2.53 yuan/t.
, authors=Jinkun ZHANG
1, 2, 3, Yindong HE
1, 2, 3, Longqiong LIU
1, 2, 3, Yunjia YI
1, 2, 3, authorsList=Jinkun ZHANG, Yindong HE, Longqiong LIU, Yunjia YI, authorCompany=null, correspAuthors=Longqiong LIU, 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=1322594815896834353, articleId=1322594814231695649, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=佩吉铜金矿二采区充填材料配合比的优化与应用, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=
为了满足塞尔维亚佩吉铜金矿矿区二步骤采场回采对充填体强度的要求,同时降低充填成本,对充填材料配比进行了优化设计。通过理论计算初步确定采场不同部位的充填体强度,并进行了多组室内充填料配比试验。试验表明,随着充填料浆质量浓度和灰砂比的增大,充填体的单轴抗压强度逐渐增大,当质量浓度为68%、灰砂比为1∶6和1∶8时充填体强度可以满足理论计算的充填体强度要求。在此基础上进行工业试验,结果表明,一步骤采场底部采用1∶6的灰砂比、顶部及中部采用1∶8的灰砂比进行充填,可以满足二步骤采场回采对充填强度的要求,同时与采用原充填配合比方案相比,充填成本可减少2.53元/t。
, authors=张金坤
1, 2, 3, 何银东
1, 2, 3, 刘龙琼
1, 2, 3, 易云佳
1, 2, 3, authorsList=张金坤, 何银东, 刘龙琼, 易云佳, authorCompany=null, correspAuthors=刘龙琼, authorNote=
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1, 2, 3, address=
1.State Key Laboratory of Comprehensive Utilization of Low-Grade Refractory Gold Ores, Shanghang, Fujian 364204, China
2.Zijin Mining Group Co., Ltd., Shanghang, 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=1322594818195312961, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, authorId=1322594816429510972, language=CN, stringName=张金坤, 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":"
张金坤(1998—),男,河南周口人,硕士研究生,助理工程师,主要从事金属地下矿山开采工艺研究。E-mail:1104550825@qq.com
"}, bioImg=null, bioContent=
张金坤(1998—),男,河南周口人,硕士研究生,助理工程师,主要从事金属地下矿山开采工艺研究。E-mail:1104550825@qq.com
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1, 2, 3, address=
1.State Key Laboratory of Comprehensive Utilization of Low-Grade Refractory Gold Ores, Shanghang, Fujian 364204, China
2.Zijin Mining Group Co., Ltd., Shanghang, 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=1322594818409222472, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, authorId=1322594818262421827, language=CN, stringName=何银东, 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=1322594816148492594, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, xref=1., ext=[AuthorCompanyExt(id=1322594816161075507, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, companyId=1322594816148492594, 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, Fujian 364204, China), AuthorCompanyExt(id=1322594816169464116, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, companyId=1322594816148492594, 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=1322594818467942730, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=472889332@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1322594818539245902, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, authorId=1322594818467942730, language=EN, stringName=Longqiong LIU, firstName=Longqiong, middleName=null, lastName=LIU, 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, Fujian 364204, China
2.Zijin Mining Group Co., Ltd., Shanghang, 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=1322594818597966159, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, authorId=1322594818467942730, language=CN, stringName=刘龙琼, 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=1322594816148492594, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, xref=1., ext=[AuthorCompanyExt(id=1322594816161075507, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, companyId=1322594816148492594, language=EN, 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=1322594818669269329, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, 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=1322594818753155413, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, authorId=1322594818669269329, language=EN, stringName=Yunjia YI, firstName=Yunjia, middleName=null, lastName=YI, 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, Fujian 364204, China
2.Zijin Mining Group Co., Ltd., Shanghang, 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=1322594818811875670, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, authorId=1322594818669269329, language=CN, stringName=易云佳, 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=1322594816148492594, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, xref=1., ext=[AuthorCompanyExt(id=1322594816161075507, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, companyId=1322594816148492594, 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, Fujian 364204, China), AuthorCompanyExt(id=1322594816169464116, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, companyId=1322594816148492594, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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)]), AuthorCompany(id=1322594816232378677, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, xref=2., ext=[AuthorCompanyExt(id=1322594816240767286, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, companyId=1322594816232378677, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.State Key Laboratory of Comprehensive Utilization of Low-Grade Refractory Gold Ores, Shanghang, Fujian 364204, China), AuthorCompanyExt(id=1322594816169464116, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, companyId=1322594816148492594, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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)]), AuthorCompany(id=1322594816232378677, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, xref=2., ext=[AuthorCompanyExt(id=1322594816240767286, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, companyId=1322594816232378677, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Zijin Mining Group Co., Ltd., Shanghang, Fujian 364200, China), AuthorCompanyExt(id=1322594816249155895, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, companyId=1322594816232378677, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.紫金矿业集团股份有限公司,福建 上杭县 364200)]), AuthorCompany(id=1322594816312070456, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, xref=3., ext=[AuthorCompanyExt(id=1322594816324653369, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, companyId=1322594816312070456, 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=1322594816333041978, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, companyId=1322594816312070456, 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)])], figs=[ArticleFig(id=1322594819608793439, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=EN, label=Fig.1, caption=
Relationship curves between vertical stress in backfill and height from the top surface of the backfill according to Yang Xin’s formula, figureFileSmall=KMd1FwbOTQ7KUeGRtt1fsg==, figureFileBig=MCYmK2EX6iyu0MWGas4icA==, tableContent=null), ArticleFig(id=1322594819680096608, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=CN, label=图1, caption=
杨辛公式法得到的充填体内垂直应力与距充填体顶面高度之间的关系曲线, figureFileSmall=KMd1FwbOTQ7KUeGRtt1fsg==, figureFileBig=MCYmK2EX6iyu0MWGas4icA==, tableContent=null), ArticleFig(id=1322594819860451681, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=EN, label=Fig.2, caption=
Relationship curves between vertical stress in backfill and hieght from the top surface of the backfill according to the Cai’s formula, figureFileSmall=EfzcNGiswXXoHXX3vQIcNA==, figureFileBig=CL3cVFuyaDVc1i9Ehpw8eA==, tableContent=null), ArticleFig(id=1322594819927560546, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=CN, label=图2, caption=
蔡嗣经经验公式法得到的充填体内垂直应力与距充填体顶面高度之间的关系曲线, figureFileSmall=EfzcNGiswXXoHXX3vQIcNA==, figureFileBig=CL3cVFuyaDVc1i9Ehpw8eA==, tableContent=null), ArticleFig(id=1322594820003058019, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=EN, label=Fig.3, caption=
Particle size composition of the tailings, figureFileSmall=UqdKrm6T1gLXnQ6rj56ERw==, figureFileBig=FRPSA6cYO7U5l86uoHk/Fw==, tableContent=null), ArticleFig(id=1322594820099527012, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=CN, label=图3, caption=
尾砂粒级组成, figureFileSmall=UqdKrm6T1gLXnQ6rj56ERw==, figureFileBig=FRPSA6cYO7U5l86uoHk/Fw==, tableContent=null), ArticleFig(id=1322594820170830181, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=EN, label=Fig.4, caption=
The test results of uniaxial compressive strength of backfill specimens, figureFileSmall=nEyW+88BUbiUqRAgGtXDug==, figureFileBig=yjY1iUvFV+Py/3JyZlP0xQ==, tableContent=null), ArticleFig(id=1322594820246327654, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=CN, label=图4, caption=
充填体试块单轴抗压强度测试结果, figureFileSmall=nEyW+88BUbiUqRAgGtXDug==, figureFileBig=yjY1iUvFV+Py/3JyZlP0xQ==, tableContent=null), ArticleFig(id=1322594820330213735, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=EN, label=Fig.5, caption=
Core sampling locations and drilling layout, figureFileSmall=kghhxTJkQ65CLJ1fgWNl8g==, figureFileBig=/A3DbGFRGrZSzb5qtuun5Q==, tableContent=null), ArticleFig(id=1322594820401516904, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=CN, label=图5, caption=
取芯位置及钻孔布置, figureFileSmall=kghhxTJkQ65CLJ1fgWNl8g==, figureFileBig=/A3DbGFRGrZSzb5qtuun5Q==, tableContent=null), ArticleFig(id=1322594820468625769, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=EN, label=Table 1, caption=
Recommended strength values of backfill body in Peji Copper-Gold Mine
, figureFileSmall=null, figureFileBig=null, tableContent=
| 矿房高度H/m | 28 d充填体强度推荐值/MPa |
|---|
| 25 | ≥1.3 |
| 40 | ≥1.8 |
| 50 | ≥2.0 |
| 60 | ≥2.5 |
), ArticleFig(id=1322594820535734634, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=CN, label=表1, caption=
佩吉铜金矿充填体强度推荐值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 矿房高度H/m | 28 d充填体强度推荐值/MPa |
|---|
| 25 | ≥1.3 |
| 40 | ≥1.8 |
| 50 | ≥2.0 |
| 60 | ≥2.5 |
), ArticleFig(id=1322594820623815019, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=EN, label=Table 2, caption=
Recommended strength values of backfill in stope
, figureFileSmall=null, figureFileBig=null, tableContent=
| 充填部位 | 高度/m | 28 d 强度/MPa |
|---|
| 采场底部 | 约10 | ≥4.0 |
| 一步骤采场中部 | 30~45 | ≥1.8 |
| 一步骤采场顶部 | 5~6 | ≥2.5 |
| 二步骤采场中部 | 35~50 | 1.0~1.2 |
| 二步骤采场顶部 | 2 | ≥2.5 |
), ArticleFig(id=1322594820707701100, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=CN, label=表2, caption=
采场充填体强度推荐值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 充填部位 | 高度/m | 28 d 强度/MPa |
|---|
| 采场底部 | 约10 | ≥4.0 |
| 一步骤采场中部 | 30~45 | ≥1.8 |
| 一步骤采场顶部 | 5~6 | ≥2.5 |
| 二步骤采场中部 | 35~50 | 1.0~1.2 |
| 二步骤采场顶部 | 2 | ≥2.5 |
), ArticleFig(id=1322594820779004269, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=EN, label=Table 3, caption=
Chemical compositions of the tailings
, figureFileSmall=null, figureFileBig=null, tableContent=
| SiO2 | Al2O3 | S | Ag | Na2O | Au |
| 60.43 | 9.6 | 8.56 | 1.1 | 0.82 | 0.8 |
| MgO | Cu | Zn | As | Pb | 其他 |
| 0.25 | 0.098 | 0.016 | 0.009 | 0.009 | 18.308 |
), ArticleFig(id=1322594820862890350, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=CN, label=表3, caption=
尾砂的化学成分
, figureFileSmall=null, figureFileBig=null, tableContent=
| SiO2 | Al2O3 | S | Ag | Na2O | Au |
| 60.43 | 9.6 | 8.56 | 1.1 | 0.82 | 0.8 |
| MgO | Cu | Zn | As | Pb | 其他 |
| 0.25 | 0.098 | 0.016 | 0.009 | 0.009 | 18.308 |
), ArticleFig(id=1322594822507057519, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=EN, label=Table 4, caption=
Schemes of filling slurry proportioning
, figureFileSmall=null, figureFileBig=null, tableContent=
| 灰砂比 | 质量浓度/% | 水泥含量/% | 尾砂含量/% | 水含量/% |
|---|
| 1:6 | 68 | 9.71 | 58.29 | 32 |
| 1:8 | 68 | 7.56 | 60.44 | 32 |
| 1:10 | 68 | 6.42 | 61.58 | 32 |
| 1:16 | 68 | 4.02 | 63.98 | 32 |
| 1:20 | 68 | 3.24 | 64.76 | 32 |
| 1:6 | 67 | 9.54 | 57.46 | 33 |
| 1:8 | 67 | 7.41 | 59.59 | 33 |
| 1:10 | 67 | 6.09 | 60.91 | 33 |
| 1:16 | 67 | 3.91 | 63.09 | 33 |
| 1:20 | 67 | 3.18 | 63.82 | 33 |
| 1:6 | 66 | 9.31 | 56.69 | 34 |
| 1:8 | 66 | 7.32 | 58.68 | 34 |
| 1:10 | 66 | 6.14 | 59.86 | 34 |
| 1:16 | 66 | 3.88 | 62.12 | 34 |
| 1:20 | 66 | 3.21 | 62.79 | 34 |
| 1:6 | 65 | 9.27 | 55.73 | 35 |
| 1:8 | 65 | 7.19 | 57.81 | 35 |
| 1:10 | 65 | 6.11 | 58.89 | 35 |
| 1:16 | 65 | 3.81 | 61.19 | 35 |
| 1:20 | 65 | 3.10 | 61.90 | 35 |
), ArticleFig(id=1322594822599332208, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=CN, label=表4, caption=
充填料浆配比方案
, figureFileSmall=null, figureFileBig=null, tableContent=
| 灰砂比 | 质量浓度/% | 水泥含量/% | 尾砂含量/% | 水含量/% |
|---|
| 1:6 | 68 | 9.71 | 58.29 | 32 |
| 1:8 | 68 | 7.56 | 60.44 | 32 |
| 1:10 | 68 | 6.42 | 61.58 | 32 |
| 1:16 | 68 | 4.02 | 63.98 | 32 |
| 1:20 | 68 | 3.24 | 64.76 | 32 |
| 1:6 | 67 | 9.54 | 57.46 | 33 |
| 1:8 | 67 | 7.41 | 59.59 | 33 |
| 1:10 | 67 | 6.09 | 60.91 | 33 |
| 1:16 | 67 | 3.91 | 63.09 | 33 |
| 1:20 | 67 | 3.18 | 63.82 | 33 |
| 1:6 | 66 | 9.31 | 56.69 | 34 |
| 1:8 | 66 | 7.32 | 58.68 | 34 |
| 1:10 | 66 | 6.14 | 59.86 | 34 |
| 1:16 | 66 | 3.88 | 62.12 | 34 |
| 1:20 | 66 | 3.21 | 62.79 | 34 |
| 1:6 | 65 | 9.27 | 55.73 | 35 |
| 1:8 | 65 | 7.19 | 57.81 | 35 |
| 1:10 | 65 | 6.11 | 58.89 | 35 |
| 1:16 | 65 | 3.81 | 61.19 | 35 |
| 1:20 | 65 | 3.10 | 61.90 | 35 |
), ArticleFig(id=1322594822679023985, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=EN, label=Table 5, caption=
Test results of compressive strength of backfill cores
, figureFileSmall=null, figureFileBig=null, tableContent=
| 孔号 | 灰砂比 | 28 d强度/MPa | 孔号 | 灰砂比 | 28 d强度/MPa |
|---|
| 0# | 1:6 | 4.46 | 2# | 1:8 | 1.8 |
| 1:6 | 3.66 | | 1:8 | 2.43 |
| 1:6 | 4.29 | | 1:8 | 2.53 |
| 1:6 | 3.79 | | 1:8 | 2.24 |
| 1:6 | 3.00 | | 1:8 | 2.09 |
| 1:6 | 4.13 | | 1:8 | 1.82 |
| 1# | 1:6 | 4.47 | | 1:8 | 1.96 |
| 1:6 | 3.30 | 3# | 1:8 | 2.42 |
| 1:6 | 4.14 | | 1:8 | 2.15 |
| 1:6 | 3.35 | | 1:8 | 1.90 |
| 1:6 | 3.40 | | 1:8 | 1.69 |
| 1:6 | 3.69 | | 1:8 | 1.42 |
| 1:6 | 3.87 | | 1:8 | 2.30 |
| 1:6 | 4.65 | | 1:8 | 2.04 |
| 1:6 | 4.74 | | 1:8 | 1.87 |
| 1:6 | 3.70 | | 1:8 | 2.09 |
| 1:6 | 3.92 | | 1:8 | 2.19 |
| 1:6 | 4.35 | | 1:8 | 1.96 |
| 2# | 1:8 | 2.40 | | 1:8 | 1.82 |
| 1:8 | 2.96 | | 1:8 | 1.78 |
| 1:8 | 2.17 | | 1:8 | 1.92 |
| 1:8 | 2.03 | | 1:8 | 2.13 |
), ArticleFig(id=1322594822758715762, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=CN, label=表5, caption=
充填体岩芯抗压强度测试结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 孔号 | 灰砂比 | 28 d强度/MPa | 孔号 | 灰砂比 | 28 d强度/MPa |
|---|
| 0# | 1:6 | 4.46 | 2# | 1:8 | 1.8 |
| 1:6 | 3.66 | | 1:8 | 2.43 |
| 1:6 | 4.29 | | 1:8 | 2.53 |
| 1:6 | 3.79 | | 1:8 | 2.24 |
| 1:6 | 3.00 | | 1:8 | 2.09 |
| 1:6 | 4.13 | | 1:8 | 1.82 |
| 1# | 1:6 | 4.47 | | 1:8 | 1.96 |
| 1:6 | 3.30 | 3# | 1:8 | 2.42 |
| 1:6 | 4.14 | | 1:8 | 2.15 |
| 1:6 | 3.35 | | 1:8 | 1.90 |
| 1:6 | 3.40 | | 1:8 | 1.69 |
| 1:6 | 3.69 | | 1:8 | 1.42 |
| 1:6 | 3.87 | | 1:8 | 2.30 |
| 1:6 | 4.65 | | 1:8 | 2.04 |
| 1:6 | 4.74 | | 1:8 | 1.87 |
| 1:6 | 3.70 | | 1:8 | 2.09 |
| 1:6 | 3.92 | | 1:8 | 2.19 |
| 1:6 | 4.35 | | 1:8 | 1.96 |
| 2# | 1:8 | 2.40 | | 1:8 | 1.82 |
| 1:8 | 2.96 | | 1:8 | 1.78 |
| 1:8 | 2.17 | | 1:8 | 1.92 |
| 1:8 | 2.03 | | 1:8 | 2.13 |
), ArticleFig(id=1322594822842601843, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=EN, label=Table 6, caption=
Cost of filling slurry
, figureFileSmall=null, figureFileBig=null, tableContent=
| 质量浓度67% | 质量浓度68% |
|---|
| 灰砂比 | 成本/(元/m3) | 灰砂比 | 成本/(元/m3) |
|---|
| 1:5 | 190.74 | 1:5 | 194.17 |
| 1:6 | 155.63 | 1:6 | 160.46 |
| 1:8 | 124.37 | 1:8 | 127.70 |
| 1:10 | 102.76 | 1:10 | 106.63 |
), ArticleFig(id=1322594822926487924, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594814231695649, language=CN, label=表6, caption=
充填料浆综合成本
, figureFileSmall=null, figureFileBig=null, tableContent=
| 质量浓度67% | 质量浓度68% |
|---|
| 灰砂比 | 成本/(元/m3) | 灰砂比 | 成本/(元/m3) |
|---|
| 1:5 | 190.74 | 1:5 | 194.17 |
| 1:6 | 155.63 | 1:6 | 160.46 |
| 1:8 | 124.37 | 1:8 | 127.70 |
| 1:10 | 102.76 | 1:10 | 106.63 |
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