Article(id=1222925296257458885, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222925278838513745, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221643, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1660060800000, receivedDateStr=2022-08-10, revisedDate=1662480000000, revisedDateStr=2022-09-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1769497711480, onlineDateStr=2026-01-27, pubDate=1677254400000, pubDateStr=2023-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769497711480, onlineIssueDateStr=2026-01-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769497711480, creator=13701087609, updateTime=1769497711480, updator=13701087609, issue=Issue{id=1222925278838513745, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='2', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769497707328, creator=13701087609, updateTime=1769497707328, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=145, endPage=149, ext={EN=ArticleExt(id=1222925296622363352, articleId=1222925296257458885, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Structural Safety Analysis of Rock-anchored Crane Beam of Underground Powerhouse with High Geostress, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

For underground powerhouse in high geostress area, the excavation of the lower powerhouse cavern after the completion of the pouring of the rock-anchored crane beam may have an adverse impact on the crane beam. Aiming at this problem, three-dimensional elastoplastic finite element method was used to analyze the stress and deformation, the stress of the anchor and the stability of the crane beam of an underground powerhouse during construction and operation period. The results show that in the high geostress field, the rock-anchored crane beam will have large deformation, and the joint surface between the beam and the surrounding rock will have large tensile stress. After the crane beam is poured, the stress and deformation of the beam will increase greatly in three stages. As the excavated part is far away from the beam, the stress and deformation of the beam will become gentle, and the safety factor of the joint surface between the beam and the wall will be large, which can provide a reference for the crane beam pouring and cavern construction in similar projects.

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对于高地应力区地下厂房,岩壁吊车梁浇筑完成后下部厂房洞室开挖可能会对吊车梁产生不利影响。对此,采用三维弹塑性有限元法分析了某地下厂房岩壁吊车梁施工期和运行期应力变形、梁体锚杆受力及梁体的稳定性。结果表明,在高地应力场中,岩壁吊车梁会产生较大变形,梁体和岩壁结合面会出现较大的拉应力,在吊车梁浇筑完成后的3期内梁体应力变形增大,随着开挖部分远离梁体,梁体应力变形变化趋于平缓,梁壁结合面安全系数增大,为类似工程中吊车梁浇筑和洞室施工提供了参考依据。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
岑威钧(1977-),男,博士、教授、博导,研究方向为土石坝抗震、水工结构安全分析,E-mail:
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=0LZbPKyeEcptfuaqiKtjrQ==, magXml=Z5mOSYoQp/48KTQseAsC2w==, pdfUrl=null, pdf=tzc99dzrAizA3IVqJQFKSQ==, pdfFileSize=2714096, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=s9UaFY3cTJkSiykxjhTY0g==, mapNumber=null, authorCompany=null, fund=null, authors=

蒋明欢(1997-),男,硕士研究生,研究方向为地下工程结构安全,E-mail:

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蒋明欢(1997-),男,硕士研究生,研究方向为地下工程结构安全,E-mail:

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蒋明欢(1997-),男,硕士研究生,研究方向为地下工程结构安全,E-mail:

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高地应力地下厂房岩壁吊车梁结构安全性分析
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蒋明欢 , 岑威钧 , 王辉 , 曹艺凡
水电能源科学 | 水利水电工程 2023,41(2): 145-149
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水电能源科学 | 水利水电工程 2023, 41(2): 145-149
高地应力地下厂房岩壁吊车梁结构安全性分析
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蒋明欢 , 岑威钧 , 王辉, 曹艺凡
作者信息
  • 河海大学水利水电学院,江苏 南京 210098
  • 蒋明欢(1997-),男,硕士研究生,研究方向为地下工程结构安全,E-mail:

通讯作者:

岑威钧(1977-),男,博士、教授、博导,研究方向为土石坝抗震、水工结构安全分析,E-mail:
Structural Safety Analysis of Rock-anchored Crane Beam of Underground Powerhouse with High Geostress
Ming-huan JIANG , Wei-jun CEN , Hui WANG, Yi-fan CAO
Affiliations
  • College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
出版时间: 2023-02-25 doi: 10.20040/j.cnki.1000-7709.2023.20221643
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对于高地应力区地下厂房,岩壁吊车梁浇筑完成后下部厂房洞室开挖可能会对吊车梁产生不利影响。对此,采用三维弹塑性有限元法分析了某地下厂房岩壁吊车梁施工期和运行期应力变形、梁体锚杆受力及梁体的稳定性。结果表明,在高地应力场中,岩壁吊车梁会产生较大变形,梁体和岩壁结合面会出现较大的拉应力,在吊车梁浇筑完成后的3期内梁体应力变形增大,随着开挖部分远离梁体,梁体应力变形变化趋于平缓,梁壁结合面安全系数增大,为类似工程中吊车梁浇筑和洞室施工提供了参考依据。

高地应力  /  地下厂房  /  岩壁吊车梁  /  锚杆应力  /  有限元  /  安全系数

For underground powerhouse in high geostress area, the excavation of the lower powerhouse cavern after the completion of the pouring of the rock-anchored crane beam may have an adverse impact on the crane beam. Aiming at this problem, three-dimensional elastoplastic finite element method was used to analyze the stress and deformation, the stress of the anchor and the stability of the crane beam of an underground powerhouse during construction and operation period. The results show that in the high geostress field, the rock-anchored crane beam will have large deformation, and the joint surface between the beam and the surrounding rock will have large tensile stress. After the crane beam is poured, the stress and deformation of the beam will increase greatly in three stages. As the excavated part is far away from the beam, the stress and deformation of the beam will become gentle, and the safety factor of the joint surface between the beam and the wall will be large, which can provide a reference for the crane beam pouring and cavern construction in similar projects.

high geostress  /  underground powerhouse  /  rock-anchored crane beam  /  anchor stress  /  FEM  /  safety factor
蒋明欢, 岑威钧, 王辉, 曹艺凡. 高地应力地下厂房岩壁吊车梁结构安全性分析. 水电能源科学, 2023 , 41 (2) : 145 -149 . DOI: 10.20040/j.cnki.1000-7709.2023.20221643
Ming-huan JIANG, Wei-jun CEN, Hui WANG, Yi-fan CAO. Structural Safety Analysis of Rock-anchored Crane Beam of Underground Powerhouse with High Geostress[J]. Water Resources and Power, 2023 , 41 (2) : 145 -149 . DOI: 10.20040/j.cnki.1000-7709.2023.20221643
2023年第41卷第2期
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doi: 10.20040/j.cnki.1000-7709.2023.20221643
  • 接收时间:2022-08-10
  • 首发时间:2026-01-27
  • 出版时间:2023-02-25
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  • 收稿日期:2022-08-10
  • 修回日期:2022-09-07
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    河海大学水利水电学院,江苏 南京 210098

通讯作者:

岑威钧(1977-),男,博士、教授、博导,研究方向为土石坝抗震、水工结构安全分析,E-mail:
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2种不同金属材料的力学参数

Family
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Number of
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种数
Number of
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种数
Number of
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Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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