Article(id=1322158301253587467, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322158299525530318, 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=1726675200000, receivedDateStr=2024-09-19, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793156703531, onlineDateStr=2026-10-28, pubDate=1753372800000, pubDateStr=2025-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793156703531, onlineIssueDateStr=2026-10-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793156703531, creator=13701087609, updateTime=1793156703531, updator=13701087609, issue=Issue{id=1322158299525530318, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='7', pageStart='1', pageEnd='280', issueExtLink='null', onlineDate='null', pubDate='1753372800000', pubDateStr='2025-07-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793156703120, creator='13701087609', updateTime=1793158832445, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322167230608028625, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322158299525530318, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322167230608028626, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322158299525530318, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=73, endPage=82, ext={EN=ArticleExt(id=1322158301442331148, articleId=1322158301253587467, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Study on Temperature Field Analysis and Optimal Layout of Double-Ring Freezing Hole in Loose and Weak Strata, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Taking the loose and weak strata in the freezing section of the main well of a mine in Laizhou as the research object, the temperature field distribution law of the double-ring freezing hole was compared and analyzed by means of field measurement and ANSYS numerical simulation. It was found that the freezing effect of the double-ring freezing hole was not ideal. Based on the comprehensive study of the formation and development law of the freezing wall for the double-ring freezing hole, a new optimization scheme of the three-ring freezing hole was proposed, that is, the single-ring freezing hole on the inner wall of the well and the double-ring freezing hole on the outer wall were arranged, and the ANSYS finite element software was used to analyze and compare the freezing effect of the temperature field before and after optimization. The results show that the optimization scheme shortens the circulation time by more than 10 days, effectively reduces the internal temperature of the wellbore and shortens the circulation time of the freezing wall. After freezing for 60 days, the thickness of the freezing wall of the optimization scheme has reached about 4.8 m, which is much larger than that of the original scheme, and the temperature is about 4−5 ℃ lower than that of the original scheme. It shows that adding a circle of freezing holes in the well is an effective method, which can quickly reduce the temperature around the well to the lowest, and play a certain guiding role for well excavation with complicated geological conditions such as safe construction of well excavation and difficult freezing.
, authors=Dunxia LIAO
1, Wenhui LIU
2, Wen WAN
3, Weixing LIN
1, Jia SHENG
1, 3, Yongchao GONG
1, Yu XIAO
1, Yuding WANG
1, authorsList=Dunxia LIAO, Wenhui LIU, Wen WAN, Weixing LIN, Jia SHENG, Yongchao GONG, Yu XIAO, Yuding WANG, authorCompany=null, correspAuthors=Wenhui 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=1322158304604836393, articleId=1322158301253587467, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=松散软弱地层双圈冻结孔温度场分析及优化布置研究, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=
以莱州某矿主井冻结段的松散软弱地层为研究对象,采用现场实测、ANSYS数值模拟手段对双圈冻结孔的温度场分布规律进行对比分析,发现双圈冻结孔的冻结效果并不理想,在全面研究双圈冻结孔冻结壁形成和发展规律的基础上,提出一种新型三圈冻结孔的优化方案,即布置井筒内壁单圈冻结孔+外壁双圈冻结孔,并运用ANSYS有限元软件分析对比优化前后的温度场冻结效果。结果表明:优化方案的交圈时间缩短了10 d以上,有效降低了井筒内部温度并缩短了冻结壁交圈时间;优化方案冻结60 d时的冻结壁厚度已经达到了4.8 m左右,远远大于原方案的冻结壁厚度,且温度比原方案低4~5 ℃左右。这说明在井筒内加一圈冻结孔是行之有效的方法,能快速将井筒周围温度降到最低,对井筒掘砌安全施工、冻结难度大等地质条件复杂的立井开挖起到一定指导作用。
, authors=廖敦霞
1, 刘文汇
2, 万文
3, 林卫星
1, 盛佳
1, 3, 龚永超
1, 肖宇
1, 王玉丁
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廖敦霞(1997—),男,湖南隆回人,硕士,工程师,主要从事金属矿山采矿工艺研究工作。E-mail:1300760755@qq.com
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廖敦霞(1997—),男,湖南隆回人,硕士,工程师,主要从事金属矿山采矿工艺研究工作。E-mail:1300760755@qq.com
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3.湖南科技大学 资源与环境安全工程学院,湖南 湘潭市 411201, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322158305074598448, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, xref=3., ext=[AuthorCompanyExt(id=1322158305087181361, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, companyId=1322158305074598448, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322158307008172625, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, authorId=1322158306836206158, language=CN, stringName=龚永超, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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20(27): 11308-11314., articleTitle=Influence of cement soil on stratum freezing temperature field, refAbstract=null)], funds=[Fund(id=1322158311886148230, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, awardId=2023YFC2907404, language=CN, fundingSource=“十四五”国家重点研发计划项目(2023YFC2907404), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1322158304894243370, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, xref=1., ext=[AuthorCompanyExt(id=1322158304902631979, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, companyId=1322158304894243370, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.湖南科技大学 资源与环境安全工程学院,湖南 湘潭市 411201)])], figs=[ArticleFig(id=1322158308455207524, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.1, caption=
Layout of freezing hole in main well, figureFileSmall=BtdKqJ3+1xBahriojM/NBA==, figureFileBig=X9dVjyo+kCXMSj2KSkN/NA==, tableContent=null), ArticleFig(id=1322158308560065125, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图1, caption=
主井冻结孔布置, figureFileSmall=BtdKqJ3+1xBahriojM/NBA==, figureFileBig=X9dVjyo+kCXMSj2KSkN/NA==, tableContent=null), ArticleFig(id=1322158308790751846, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.2, caption=
Relationship between freezing temperature and time in different rock layers, figureFileSmall=qwanhGZ8HwRKPgMhOLqa+Q==, figureFileBig=YwLTl8Ry/rtPZQPa2v/Aag==, tableContent=null), ArticleFig(id=1322158308874637927, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图2, caption=
不同岩层冻结温度与时间的关系, figureFileSmall=qwanhGZ8HwRKPgMhOLqa+Q==, figureFileBig=YwLTl8Ry/rtPZQPa2v/Aag==, tableContent=null), ArticleFig(id=1322158308966912616, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.3, caption=
Meshing model, figureFileSmall=sy14ggigHaUywcgs+4cbZA==, figureFileBig=fVv1Z1SJSNAbl7XyRg/D0g==, tableContent=null), ArticleFig(id=1322158309038215785, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图3, caption=
网格模型, figureFileSmall=sy14ggigHaUywcgs+4cbZA==, figureFileBig=fVv1Z1SJSNAbl7XyRg/D0g==, tableContent=null), ArticleFig(id=1322158309130490474, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.4, caption=
Cloud maps of temperature field in -20 m silty clay layer, figureFileSmall=oB8h/F6hqyRqt13OfLa7bg==, figureFileBig=U9B2449iZWYmPQj5AtuqFg==, tableContent=null), ArticleFig(id=1322158309210182251, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图4, caption=
-20 m粉质黏土层温度场云图, figureFileSmall=oB8h/F6hqyRqt13OfLa7bg==, figureFileBig=U9B2449iZWYmPQj5AtuqFg==, tableContent=null), ArticleFig(id=1322158309302456940, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.5, caption=
Cloud maps of temperature field in -35 m coarse sand layer, figureFileSmall=FGWWQvojfvDMAoZU3xNq7A==, figureFileBig=Y0LkW3d/r4WbG9I+E25XiQ==, tableContent=null), ArticleFig(id=1322158309382148717, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图5, caption=
-35 m粗砂层温度场云图, figureFileSmall=FGWWQvojfvDMAoZU3xNq7A==, figureFileBig=Y0LkW3d/r4WbG9I+E25XiQ==, tableContent=null), ArticleFig(id=1322158309474423406, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.6, caption=
Comparison of temperature changes between simulated and measured temperature of -20 m silty clay layer, figureFileSmall=lUKiq1dQDYaXsKrZbyPXog==, figureFileBig=ZP9EdGitBGJkUk4uqwN/gg==, tableContent=null), ArticleFig(id=1322158309575086703, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图6, caption=
-20 m粉质黏土层模拟与实测温度变化对比, figureFileSmall=lUKiq1dQDYaXsKrZbyPXog==, figureFileBig=ZP9EdGitBGJkUk4uqwN/gg==, tableContent=null), ArticleFig(id=1322158309671555696, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.7, caption=
Comparison of temperature changes between simulated and measured temperature of -35 m coarse sand layer, figureFileSmall=XxM1vCqrtAmELD5fEED9ug==, figureFileBig=kTdAZU3vIzYGFx0gG3WRCA==, tableContent=null), ArticleFig(id=1322158309759636081, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图7, caption=
-35 m粗砂层模拟与实测温度变化对比, figureFileSmall=XxM1vCqrtAmELD5fEED9ug==, figureFileBig=kTdAZU3vIzYGFx0gG3WRCA==, tableContent=null), ArticleFig(id=1322158309847716466, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.8, caption=
Optimized layout of freezing holes, figureFileSmall=SsYai4gJjtF+1rQDmErfbg==, figureFileBig=/j9W7HNs2H6ewnku8EZVhg==, tableContent=null), ArticleFig(id=1322158309944185459, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图8, caption=
优化后冻结孔的布置, figureFileSmall=SsYai4gJjtF+1rQDmErfbg==, figureFileBig=/j9W7HNs2H6ewnku8EZVhg==, tableContent=null), ArticleFig(id=1322158310023877236, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.9, caption=
Advance support principle for internal and external freezing, figureFileSmall=X+kdjpmfeEelcyuOfrWrBg==, figureFileBig=Vpqy2tICtAXScLYOidhJFg==, tableContent=null), ArticleFig(id=1322158310103569013, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图9, caption=
内外冻结超前支护原理, figureFileSmall=X+kdjpmfeEelcyuOfrWrBg==, figureFileBig=Vpqy2tICtAXScLYOidhJFg==, tableContent=null), ArticleFig(id=1322158310208426614, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.10, caption=
Freezing temperature field results of the original scheme, figureFileSmall=Nd967O5rMD9MKwaCXB6adg==, figureFileBig=6XhsFmOW+UB0jCZwe1pOaQ==, tableContent=null), ArticleFig(id=1322158310313284215, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图10, caption=
原方案冻结温度场效果, figureFileSmall=Nd967O5rMD9MKwaCXB6adg==, figureFileBig=6XhsFmOW+UB0jCZwe1pOaQ==, tableContent=null), ArticleFig(id=1322158310388781688, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.11, caption=
Freezing temperature field results of optimization scheme, figureFileSmall=m+5h1y5UC7A22MgSnXeQJw==, figureFileBig=UySlILnrS55CoGcx6tW7Lw==, tableContent=null), ArticleFig(id=1322158310472667769, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图11, caption=
优化方案冻结温度场效果, figureFileSmall=m+5h1y5UC7A22MgSnXeQJw==, figureFileBig=UySlILnrS55CoGcx6tW7Lw==, tableContent=null), ArticleFig(id=1322158310535582330, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.12, caption=
Comparison of radial temperature change curves after freezing for 30 days, figureFileSmall=1vVEa9XSsRXu0Pc4AMo9Kg==, figureFileBig=G4J5Lj07fjH5/HsHvL3+Ww==, tableContent=null), ArticleFig(id=1322158310632051323, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图12, caption=
冻结30 d后的径向温度变化曲线对比, figureFileSmall=1vVEa9XSsRXu0Pc4AMo9Kg==, figureFileBig=G4J5Lj07fjH5/HsHvL3+Ww==, tableContent=null), ArticleFig(id=1322158310841766524, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.13, caption=
Comparison of radial temperature change curves after freezing for 60 days, figureFileSmall=OUGQl7p2+gSwhbrneAC97A==, figureFileBig=yvtOuVySWUqQEC5xaTxV7g==, tableContent=null), ArticleFig(id=1322158310959207037, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图13, caption=
冻结60 d后的径向温度变化曲线对比, figureFileSmall=OUGQl7p2+gSwhbrneAC97A==, figureFileBig=yvtOuVySWUqQEC5xaTxV7g==, tableContent=null), ArticleFig(id=1322158311064064638, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Fig.14, caption=
Comparison of temperature changes before and after optimization, figureFileSmall=FG30IC7IeSD7wTIZl8KtdQ==, figureFileBig=2w4OD20ZpelNOF8WIV3jpw==, tableContent=null), ArticleFig(id=1322158311135367807, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=图14, caption=
优化前后测温孔温度变化对比, figureFileSmall=FG30IC7IeSD7wTIZl8KtdQ==, figureFileBig=2w4OD20ZpelNOF8WIV3jpw==, tableContent=null), ArticleFig(id=1322158311261196928, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Table 1, caption=
Design parameters of shaft in freezing section
, figureFileSmall=null, figureFileBig=null, tableContent=
| 井筒净直径/m | 井壁厚度/mm | 设计深度/m | 冻结深度/m | 冻结孔数量/个 | 冻结孔布孔圈径/m |
| 6.3 | 外壁550、内壁500 | 1 417 | 93(+3~-90) | 主29、辅29 | 主11.0、辅10.2 |
| 冻结孔孔间距/m | 冻结孔深度/m | 测温孔/(个/m) | 积极冻结期盐水温度/℃ | 维护冻结期盐水温度/℃ |
| 主1.191、辅1.101 | 主93、辅60 | 1/85、1/60 | -26~-28 | -20~-22 |
), ArticleFig(id=1322158311378637441, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=表1, caption=
冻结段井筒设计参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 井筒净直径/m | 井壁厚度/mm | 设计深度/m | 冻结深度/m | 冻结孔数量/个 | 冻结孔布孔圈径/m |
| 6.3 | 外壁550、内壁500 | 1 417 | 93(+3~-90) | 主29、辅29 | 主11.0、辅10.2 |
| 冻结孔孔间距/m | 冻结孔深度/m | 测温孔/(个/m) | 积极冻结期盐水温度/℃ | 维护冻结期盐水温度/℃ |
| 主1.191、辅1.101 | 主93、辅60 | 1/85、1/60 | -26~-28 | -20~-22 |
), ArticleFig(id=1322158311483495042, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Table 2, caption=
Thermophysical parameters of two layers
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩层 | 密度/ (g/cm3) | 含水率/% | 导热系数/ (W/(m·K)) | 比热/ (kJ/(kg·K)) |
|---|
| 冻土 | 未冻土 | 冻土 | 未冻土 |
|---|
| -20 m粉质黏土 | 1.60 | 22.0 | 1.93 | 1.482 | 1.230 | 1.447 |
| -35 m粗砂 | 2.35 | 19.1 | 2.07 | 1.346 | 1.180 | 1.489 |
), ArticleFig(id=1322158311584158339, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=CN, label=表2, caption=
两个层位热物理参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩层 | 密度/ (g/cm3) | 含水率/% | 导热系数/ (W/(m·K)) | 比热/ (kJ/(kg·K)) |
|---|
| 冻土 | 未冻土 | 冻土 | 未冻土 |
|---|
| -20 m粉质黏土 | 1.60 | 22.0 | 1.93 | 1.482 | 1.230 | 1.447 |
| -35 m粗砂 | 2.35 | 19.1 | 2.07 | 1.346 | 1.180 | 1.489 |
), ArticleFig(id=1322158311672238724, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322158301253587467, language=EN, label=Table 3, caption=
Temperature value of the simulated layers at each time periods
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| 冻结时间/d | -20 m 冻结管外壁温度/℃ | -35 m 冻结管外壁温度/℃ |
|---|
| 30 | -29.9 | -30.4 |
| 60 | -28.2 | -28.5 |
| 90 | -29.4 | -29.6 |
| 120 | -25.3 | -25.1 |
| 180 | -26.1 | -26.3 |
| 240 | -26.5 | -26.9 |
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模拟层位各时间段的温度值
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| 冻结时间/d | -20 m 冻结管外壁温度/℃ | -35 m 冻结管外壁温度/℃ |
|---|
| 30 | -29.9 | -30.4 |
| 60 | -28.2 | -28.5 |
| 90 | -29.4 | -29.6 |
| 120 | -25.3 | -25.1 |
| 180 | -26.1 | -26.3 |
| 240 | -26.5 | -26.9 |
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