Article(id=1321894995464925718, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321894989857141221, 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=1776528000000, receivedDateStr=2026-04-19, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793093926539, onlineDateStr=2026-10-27, pubDate=1787587200000, pubDateStr=2026-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793093926539, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793093926539, creator=13701087609, updateTime=1793093926539, updator=13701087609, issue=Issue{id=1321894989857141221, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='8', pageStart='1', pageEnd='324', issueExtLink='null', onlineDate='null', pubDate='1787587200000', pubDateStr='2026-08-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793093925203, creator='13701087609', updateTime=1793094606751, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321897848535372687, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321894989857141221, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321897848535372688, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321894989857141221, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=49, endPage=59, ext={EN=ArticleExt(id=1321894995666252311, articleId=1321894995464925718, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Study on Bolt Corrosion and Protection Under High-Stress Electrochemical Corrosion Environment in Deep Mines, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Under the coupled action of high stress and aggressive media in deep mines, the support system is highly prone to structural failure due to stress-electrochemical coupled corrosion, which seriously threatens mine production safety. With the corrosion protection of bolts under a saline-alkali corrosive environment in a deep mine in Shandong taken as the engineering background, field investigation, laboratory tests, and numerical simulation were combined to investigate the variation law of the electrochemical corrosion rate of bolts after adding Cr₂O₃ corrosion inhibitor, and to comparatively analyze the corrosion evolution process of ordinary bolts and bolts with the corrosion inhibitor under the high-stress environment of deep mines. The results show that as the Cr₂O₃ concentration increases, the self-corrosion potential of the bolt rises from -1.062 V to -0.924 V, the corrosion current density decreases from 7.76×10^-5 A/cm² to 1.47×10^-5 A/cm², and the corrosion rate drops from 0.936 mm/a to 0.181 mm/a. The Cr₂O₃ corrosion inhibitor exhibits a significant inhibitory effect on electrochemical corrosion. The grouting body compressive strength test shows that with the increase of Cr₂O₃ concentration, both the 1 d and 7 d compressive strengths of the specimens present a trend of first increasing and then decreasing. The numerical simulation results show that after 1 500 d of corrosion, the ordinary bolt has large potential differences and concentrated current density, whereas the bolt with Cr₂O₃ has a uniform potential distribution. The total electrode corrosion thickness decreases from 68.7 μm to 0.182 μm, a reduction of 99.7%, and the surface concentrations of chloride, iron, and sodium ions on the anti-corrosion bolt are significantly lower than those on the ordinary bolt, indicating that the Cr₂O₃ corrosion inhibitor can achieve long-term inhibition of electrochemical corrosion under high-stress and high-corrosion environments.

, authors=Shancun Li, Weikang Wang, Dongxu Cheng, Zhongwei Tang, Qinpeng Guo, authorsList=Shancun Li, Weikang Wang, Dongxu Cheng, Zhongwei Tang, Qinpeng Guo, 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=1321894996089877016, articleId=1321894995464925718, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=深井高应力电化学腐蚀环境下锚杆腐蚀及防护研究, columnId=1226462294582936453, journalTitle=矿业研究与开发, columnName=深部、深海矿产资源勘探与开发, runingTitle=null, highlight=null, articleAbstract=

在深井高应力和侵蚀性介质的耦合作用下，支护体系极易因应力-电化学耦合腐蚀发生结构失效，严重威胁矿山生产安全。以山东某深井矿山的盐碱腐蚀环境下锚杆腐蚀防护为工程背景，采用现场调研、室内试验和数值模拟相结合的手段，研究了添加Cr₂O₃缓蚀剂后锚杆电化学腐蚀速率的变化规律，对比分析了深井高应力环境下普通锚杆与添加缓蚀剂锚杆的腐蚀演化过程。研究结果表明，随着Cr₂O₃浓度提高，锚杆自腐蚀电位由-1.062 V升至-0.924 V，腐蚀电流密度从7.76×10^-5 A/cm²降至1.47×10^-5 A/cm²，腐蚀速率由0.936 mm/a降至0.181 mm/a，Cr₂O₃缓蚀剂对电化学腐蚀具有显著抑制作用。注浆体抗压强度试验显示，随着Cr₂O₃浓度升高，试样1 d和7 d抗压强度均呈现先升高后降低的趋势。数值模拟结果显示，普通锚杆腐蚀1 500 d后电位差异大、电流密度集中；添加Cr₂O₃的锚杆电位分布均匀，电极腐蚀总厚度由68.7 μm降至0.182 μm，降幅为99.7%，防腐锚杆表面氯、铁、钠离子浓度显著低于普通锚杆，说明Cr₂O₃缓蚀剂在高应力、高腐蚀环境下可实现电化学腐蚀的长效抑制。

, authors=李山存, 王伟康, 程东旭, 唐忠伟, 郭钦鹏, authorsList=李山存, 王伟康, 程东旭, 唐忠伟, 郭钦鹏, authorCompany=null, correspAuthors=null, authorNote=, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=kIR1cYkDcNSglvE4TOMyEQ==, magXml=xK4FxW247t01Xl8JU+8xtQ==, pdfUrl=null, pdf=mm/JVDw6/NSN99UxYEZXSQ==, pdfFileSize=3536836, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=/QD6pgRRFvhmj13l6z67Sg==, mapNumber=null, fund=null)}, authors=[Author(id=1321894998107337245, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321894995464925718, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=shancun1981@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321894998187029023, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321894995464925718, authorId=1321894998107337245, language=EN, stringName=Shancun Li, firstName=Shancun, middleName=null, lastName=Li, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=CINF Engineering Co., Ltd., Changsha, Hunan 410019, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1321894998270915104, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321894995464925718, authorId=1321894998107337245, language=CN, stringName=李山存, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=长沙有色冶金设计研究院有限公司，湖南 长沙　410019, bio={"content":"

李山存（1981—），男，青海乐都人，硕士，高级工程师，主要从事金属非金属矿山采矿工程设计及矿山安全方面的研究。E-mail:shancun1981@163.com

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李山存（1981—），男，青海乐都人，硕士，高级工程师，主要从事金属非金属矿山采矿工程设计及矿山安全方面的研究。E-mail:shancun1981@163.com

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