Article(id=1240631736573424536, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240631729627648823, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2024.03.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1702396800000, receivedDateStr=2023-12-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773719255821, onlineDateStr=2026-03-17, pubDate=1717171200000, pubDateStr=2024-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773719255821, onlineIssueDateStr=2026-03-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773719255821, creator=13701087609, updateTime=1773719255821, updator=13701087609, issue=Issue{id=1240631729627648823, tenantId=1146029695717560320, journalId=1235980550691926019, year='2024', volume='44', issue='3', pageStart='1', pageEnd='181', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773719254166, creator=13701087609, updateTime=1773724083554, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1240651985603580488, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240631729627648823, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1240651985603580489, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240631729627648823, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=11, endPage=15, ext={EN=ArticleExt(id=1240631736917357491, articleId=1240631736573424536, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Scheme of Fine-Grained Tailings Dam in Regions with High Altitude and Cold Weather, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=
With a tailings pond in Lesser Khingan Mountains region as an example, experiments were carried out on tailings embankment respectively by upstream construction with discharged wet metallic tailings, by filling a pond with metallic tailings, and by construction with overflow and underflow of tailings separately from cyclone. It is shown that the embankment construction with overflow and underflow separately from cyclone is superior over other two methods based on comparison. It can not only effectively improve consolidation of the tailings in front of the embankment through drainage, prolong the length of dry beach and increase the strength of the tailings in front of the embankment, but also create a wide sloping sediment, keep the embankment within the freeboard, improve the seepage condition of the dam body, as well as increase the bearing capacity of beach surface and the efficiency of embankment construction. By improving the cycloning process, a scheme including constructing embankment during non-winter seasons and discharging tailings in winter to build a wide sub-dam is proposed, which can solve the previously existing problems to a certain extent, such as sediment beach with high water content and low bearing capacity, as well as inability to build sub-dam with tailings sand. However, both the utilizing rate of coarse sand, the width of sub-dam of high-grade tailings pond and development of frozen soil still need to improve. Finally, it is found that the embankment construction by adopting technique of building wider sub-dam with underflow and overflow of tailings from cyclone combined with geofariform method can effectively resolve the existing problems for tailings dam. Thus, this technique can be promoted as an effective embankment construction scheme with fine-grained tailings in regions with high altitude and cold weather.
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以小兴安岭地区某尾矿库为例,开展了全尾矿湿排堆坝、全尾矿池填法堆坝和旋流器分级堆坝试验。结果表明,旋流器分级堆坝具有对比优势,可有效提高坝前尾矿的排水固结能力、增大干滩长度和坝前区域尾矿的强度,同时可形成较大的沉积滩坡度、保证安全超高,改善坝体渗流条件、提高滩面承载能力和堆坝效率。通过细化旋流器分级堆坝工艺,采用非冬季堆坝、冬季放矿的宽体子坝堆筑方案可在一定程度上解决沉积滩含水量大、承载力低、无法尾砂堆筑子坝等问题,但在粗砂利用率、高等级尾矿库子坝宽度、冻土发育等方面仍存在不足。最终结合旋流器分级宽体子坝和模袋法两种堆坝工艺,有效解决了尾矿库堆坝所面临的主要问题,可作为高寒地区细粒尾矿堆坝的高效方案加以推广。
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, authorsList=王伟明, 张诏飞)}, authors=[Author(id=1240651350405607648, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=419562963@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1240651350535631091, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, authorId=1240651350405607648, language=EN, stringName=Weiming WANG, firstName=Weiming, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.Yichun Luming Mining Co Ltd, Yichun 152500, Heilongjiang, China
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1.伊春鹿鸣矿业有限公司,黑龙江 伊春 152500
2.中铁资源集团有限公司,北京 100039, bio={"content":"
王伟明(1988—),男,黑龙江伊春人,高级工程师,主要从事选矿及尾矿库技术管理工作。E-mail:419562963@qq.com
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王伟明(1988—),男,黑龙江伊春人,高级工程师,主要从事选矿及尾矿库技术管理工作。E-mail:419562963@qq.com
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2.China Railway Resources Group Co Ltd, Beijing 100039, China
3.China Railway Resources Group Survey and Design Co Ltd, Langfang 065000, Hebei, China
4.Technology Innovation Center of Non-coal Geotechnical Engineering, Langfang 065000, Hebei, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1240651351080890683, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, authorId=1240651350812455192, language=CN, stringName=张诏飞, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.中铁资源集团有限公司,北京 100039
3.中铁资源集团勘察设计有限公司,河北 廊坊 065000
4.河北省非煤矿山岩土工程技术创新中心,河北 廊坊 065000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1240651349986177203, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, xref=2., ext=[AuthorCompanyExt(id=1240651349994565815, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, companyId=1240651349986177203, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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4.河北省非煤矿山岩土工程技术创新中心,河北 廊坊 065000)])])], keywords=[Keyword(id=1240651351361909087, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=EN, orderNo=1, keyword=regions with high altitude and cold weather), Keyword(id=1240651351512904054, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=EN, orderNo=2, keyword=tailings pond), Keyword(id=1240651351668093327, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=EN, orderNo=3, keyword=embankment construction), Keyword(id=1240651351819088289, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=EN, orderNo=4, keyword=fine grained tailings), Keyword(id=1240651351961694642, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=EN, orderNo=5, keyword=dam construction by filling pond), Keyword(id=1240651352083329477, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=EN, orderNo=6, keyword=sub-dam with wide body), Keyword(id=1240651352200770007, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=EN, orderNo=7, keyword=embankment with overflow and underflow from cyclone), Keyword(id=1240651352343376360, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=CN, orderNo=1, keyword=高寒地区), Keyword(id=1240651352511148542, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=CN, orderNo=2, keyword=尾矿库), Keyword(id=1240651352636977673, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=CN, orderNo=3, keyword=堆坝), Keyword(id=1240651352750223897, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=CN, orderNo=4, keyword=细粒尾矿), Keyword(id=1240651352888635944, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=CN, orderNo=5, keyword=池填法堆坝), Keyword(id=1240651352993493556, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=CN, orderNo=6, keyword=宽体子坝), Keyword(id=1240651353119322690, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, language=CN, orderNo=7, keyword=旋流器分级堆坝)], refs=[Reference(id=1240651354935456496, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631736573424536, doi=null, pmid=null, pmcid=null, year=2009, volume=null, issue=1, pageStart=156, pageEnd=158, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=沈楼燕, journalName=金属矿山, refType=null, unstructuredReference=沈楼燕. 关于西藏高原尾矿库设计的一些问题的探讨[J].
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| 粒级/mm | 粒级产率/% |
|---|
| 2014年 | 2016年 | 2018年 | 2019年 | 2021年 |
|---|
| +0.074 | 40.74 | 46.83 | 40.98 | 41.02 | 48.66 |
| -0.074+0.054 | 16.46 | 16.98 | 18.67 | 19.46 | 6.41 |
| -0.054+0.038 | 11.11 | 5.83 | 9.16 |
| -0.038+0.025 | 6.17 | 6.08 | 17.83 | 11.27 | 2.96 |
| -0.025 | 25.52 | 24.28 | 22.52 | 28.25 | 29.81 |
| 合计 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
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2014—2021年入库尾矿粒级分布表
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| 粒级/mm | 粒级产率/% |
|---|
| 2014年 | 2016年 | 2018年 | 2019年 | 2021年 |
|---|
| +0.074 | 40.74 | 46.83 | 40.98 | 41.02 | 48.66 |
| -0.074+0.054 | 16.46 | 16.98 | 18.67 | 19.46 | 6.41 |
| -0.054+0.038 | 11.11 | 5.83 | 9.16 |
| -0.038+0.025 | 6.17 | 6.08 | 17.83 | 11.27 | 2.96 |
| -0.025 | 25.52 | 24.28 | 22.52 | 28.25 | 29.81 |
| 合计 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
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| 堆坝工艺 | 处理效果 |
|---|
| 干滩长度 | 滩面坡度 | 滩面承载力 | 冻土发育 |
|---|
| 全尾矿湿排法 | 短 | 平缓 | 低 | 有 |
| 全尾矿池填法 | 短 | 平缓 | 低 | 有 |
| 旋流器分级法 | 较长 | 较大 | 较高 | 有 |
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3种堆坝工艺效果对比
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| 堆坝工艺 | 处理效果 |
|---|
| 干滩长度 | 滩面坡度 | 滩面承载力 | 冻土发育 |
|---|
| 全尾矿湿排法 | 短 | 平缓 | 低 | 有 |
| 全尾矿池填法 | 短 | 平缓 | 低 | 有 |
| 旋流器分级法 | 较长 | 较大 | 较高 | 有 |
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