Article(id=1236319264773296827, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236316193171239730, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.03.002, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1669737600000, receivedDateStr=2022-11-30, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772691082423, onlineDateStr=2026-03-05, pubDate=1685548800000, pubDateStr=2023-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772691082423, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772691082423, creator=13701087609, updateTime=1772691082423, updator=13701087609, issue=Issue{id=1236316193171239730, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='3', pageStart='1', pageEnd='179', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772690350096, creator=13701087609, updateTime=1772691872061, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236322576809652696, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236316193171239730, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236322576809652697, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236316193171239730, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=6, endPage=10, ext={EN=ArticleExt(id=1236319265461162711, articleId=1236319264773296827, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Determination of Shear Strength Parameters of Slope Rock Mass in Open-Pit Mine, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=

The west slope of SCM copper cobalt mine in DRC was taken as an example for determining the shear strength parameters of rock mass by a laboratory triaxial compression test, back analysis of landslides, evaluation of rock mass quality and strength conversion with Hoek-Brown criterion, and then the obtained strength parameters were verified. The results show that due to the size effect of the samples, there may be deviation in the cohesion of rock mass shear strength obtained from the laboratory triaxial compression tests. It is found that with the obtained parameters used in slope stability analysis, more accurate evaluation results can be obtained from the slope model with higher sensitivity to friction angle, while lower accuracy from the slope model with higher sensitivity to cohesion. Under the same working condition, the parameters of slope rock mass obtained from the back analysis of shallow landslides can be used for analyzing local or single bench stability, and the parameters of slope rock mass from back analysis of deep-seated landslides or the landslides due to weak structural planes can be used for overall stability analysis. It is found that the shear strength parameters obtained based on Hoek-Brown failure criterion are close to the results from laboratory triaxial compression test, also easy to operate and more accurate, which can have a wide application.

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以刚果（金）SCM铜钴矿西帮边坡为例，分别通过室内大三轴压缩试验、滑坡反分析、岩体质量评价和Hoek-Brown强度准则换算等方法获取岩体抗剪强度参数，并对获取的强度参数进行对比和验证。结果表明，受样品尺寸效应影响，室内大三轴压缩试验获取的岩体抗剪强度中的黏聚力可能存在偏差；所得参数应用于边坡稳定性分析时，对摩擦角敏感度较高的边坡模型可取得较准确的评价结果，而对黏聚力敏感度较高的边坡模型评价准确度相对较低。相同工况下，坡面浅层滑坡反分析所得边坡岩体参数适用于局部或单台阶稳定性分析，深层滑坡或由软弱结构面造成的滑坡反分析所得边坡岩体参数适用于整体边坡稳定性分析。Hoek-Brown强度准则换算法得到的抗剪强度参数与室内大型三轴压缩试验结果接近，使用该准则计算岩体强度参数具有操作性强、适用范围广、准确度高等优点。

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刘宏（1968—），男，黑龙江哈尔滨人，高级工程师，主要从事矿山采矿选矿地质技术管理工作。

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刘宏（1968—），男，黑龙江哈尔滨人，高级工程师，主要从事矿山采矿选矿地质技术管理工作。

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