Article(id=1279793106346291439, tenantId=1146029695717560320, journalId=1278651655809875976, issueId=1279793083097269247, articleNumber=null, orderNo=null, doi=10.13206/j.gjgS25021130, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1739203200000, receivedDateStr=2025-02-11, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1783056053958, onlineDateStr=2026-07-03, pubDate=1779379200000, pubDateStr=2026-05-22, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783056053958, onlineIssueDateStr=2026-07-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783056053958, creator=13701087609, updateTime=1783056053958, updator=13701087609, issue=Issue{id=1279793083097269247, tenantId=1146029695717560320, journalId=1278651655809875976, year='2026', volume='41', issue='5', pageStart='1', pageEnd='88', issueExtLink='null', onlineDate='null', pubDate='1779379200000', pubDateStr='2026-05-22', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1783056048416, creator='13701087609', updateTime=1783056895775, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1279796637363048955, tenantId=1146029695717560320, journalId=1278651655809875976, issueId=1279793083097269247, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1279796637367243260, tenantId=1146029695717560320, journalId=1278651655809875976, issueId=1279793083097269247, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=79, endPage=83, ext={EN=ArticleExt(id=1279793106618921201, articleId=1279793106346291439, tenantId=1146029695717560320, journalId=1278651655809875976, language=EN, title=Equivalent Moment Coefficient for Flexural-Torsional Buckling of Beam-Columns Under Linearly Varying Bending Moments, columnId=1279793106547618032, journalTitle=Steel Construction, columnName=Design Discussion, runingTitle=null, highlight=null, articleAbstract=
This paper analyzed the flexural-torsional buckling of beam-columns under linearly varying bending moments and axial forces.The Ritz method was adopted, in which both the lateral deflection and the twisting angle were represented by three terms, leading to results close to the exact solutions.The equivalent bending moment coefficient was derived, and new formulas with high accuracy and slight conservativeness were proposed.The results obtained using the proposed formulas in the standard design equations for the out-of-plane stability check of beam-columns were compared with those from current specifications.The results showed that the proposed formulas yielded a slightly higher flexural capacity when stability governed the design.
, authors=Genshu Tong, authorsList=Genshu Tong, authorCompany=null, correspAuthors=Genshu Tong, 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=1279793109965975805, articleId=1279793106346291439, tenantId=1146029695717560320, journalId=1278651655809875976, language=CN, title=弯矩线性变化压弯杆弯扭屈曲的等效弯矩系数, columnId=1279793106707001586, journalTitle=钢结构(中英文), columnName=设计探讨, runingTitle=null, highlight=null, articleAbstract=
对弯矩沿杆长线性变化的压弯构件的弯扭屈曲采用能量法进行分析,侧移和扭转角均取三项,求得的解接近精确。求得了压力作用下的等效弯矩系数,提出了精度高、略偏保守的新公式,对新公式应用于钢结构设计标准中的结果和现行标准公式的结果进行了对比,在稳定控制区域,按本文公式得到的抗弯承载力有所提高。
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童根树,教授,主要从事钢结构稳定和抗震性能研究。
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1浙江大学高性能结构研究所,杭州 310058)])], figs=[ArticleFig(id=1279793111199101198, tenantId=1146029695717560320, journalId=1278651655809875976, articleId=1279793106346291439, language=EN, label=Fig.1, caption=
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临界弯矩增大系数和等效弯矩系数, figureFileSmall=8arj5tWmVkJtltRStvuRSA==, figureFileBig=9cavf3iyR7GYroBiaChYbg==, tableContent=null), ArticleFig(id=1279793111589171472, tenantId=1146029695717560320, journalId=1278651655809875976, articleId=1279793106346291439, language=EN, label=Fig.2, caption=
Flexural-torsional buckling interaction relationship, figureFileSmall=Q9Qy6wZC18q8Ecds1+eIcw==, figureFileBig=IdLrJVR/ID6Mz1T7iG91yQ==, tableContent=null), ArticleFig(id=1279793111660474641, tenantId=1146029695717560320, journalId=1278651655809875976, articleId=1279793106346291439, language=CN, label=图2, caption=
弯扭屈曲相关关系, figureFileSmall=Q9Qy6wZC18q8Ecds1+eIcw==, figureFileBig=IdLrJVR/ID6Mz1T7iG91yQ==, tableContent=null), ArticleFig(id=1279793111748555026, tenantId=1146029695717560320, journalId=1278651655809875976, articleId=1279793106346291439, language=EN, label=Fig.3, caption=
Effect of the parameter on the equivalent moment coefficient(n=0.5), figureFileSmall=2JXkoS3dURpoJp5DpdSZyA==, figureFileBig=6H84zPdP00bvt/rGKPVKuA==, tableContent=null), ArticleFig(id=1279793111815663891, tenantId=1146029695717560320, journalId=1278651655809875976, articleId=1279793106346291439, language=CN, label=图3, caption=
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Equivalent moment coefficients of beam-columns (κ=0.4), figureFileSmall=UB9i4PYeiP0CWDIJ0oqpFQ==, figureFileBig=cQgLpaWjLEHNfwlvFnhRsg==, tableContent=null), ArticleFig(id=1279793111983436053, tenantId=1146029695717560320, journalId=1278651655809875976, articleId=1279793106346291439, language=CN, label=图4, caption=
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Comparison of results obtained from the proposed equivalent moment coefficient (applied to the standard) with those from current specifications, figureFileSmall=7L5r2vAwg+zOvcCmqjVRfw==, figureFileBig=QLhinNpHK6FDfUhaD7A/CA==, tableContent=null), ArticleFig(id=1279793112151208216, tenantId=1146029695717560320, journalId=1278651655809875976, articleId=1279793106346291439, language=CN, label=图5, caption=
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