Article(id=1259474416421954227, tenantId=1146029695717560320, journalId=1259198796492718097, issueId=1259474414219964747, articleNumber=null, orderNo=null, doi=10.15951/j.tmgcxb.24060477, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1718208000000, receivedDateStr=2024-06-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1778211700778, onlineDateStr=2026-05-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1778211700778, onlineIssueDateStr=2026-05-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1778211700778, creator=13701087609, updateTime=1778211700778, updator=13701087609, issue=Issue{id=1259474414219964747, tenantId=1146029695717560320, journalId=1259198796492718097, year='2026', volume='59', issue='1', pageStart='1', pageEnd='128', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1778211700252, creator=13701087609, updateTime=1778211964781, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1259475523919594262, tenantId=1146029695717560320, journalId=1259198796492718097, issueId=1259474414219964747, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1259475523919594263, tenantId=1146029695717560320, journalId=1259198796492718097, issueId=1259474414219964747, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=51, endPage=60, ext={EN=ArticleExt(id=1259474418502329023, articleId=1259474416421954227, tenantId=1146029695717560320, journalId=1259198796492718097, language=EN, title=Experimental study on wind-induced instability characteristics of parallel dual main cables of very long-span suspension bridges in construction period, columnId=null, journalTitle=China Civil Engineering Journal, columnName=null, runingTitle=null, highlight=null, articleAbstract=Suspension bridges with closely spaced parallel dual main cables may experience significant aerodynamic interference effects, and particularly are prone to significant wind induced vibration due to the low frequency and rapidly varying cross-section shape of the main cable in the construction phases without the constraint of slings.In order to investigate the vibration characteristics of the parallel dual main cables in construction phases, five typical segmental models of dual main cables in the parallel configuration were designed for a very long-span suspension bridge with a main span of 2180 m. Based on the wind tunnel tests, the wind-induced vibrations of the dual main cables on one side in construction phases were studied and then compared to those of the single main cable on one side with the same parameters. The results show that the wind-induced vibrations may occur for the five segmental models of dual main cables with the maximum standard deviation of the amplitude up to 8.7 H. Evident differences in the vibration characteristics of the dual main cable can be observed under different wind direction angles and wind attack angles. The possible mechanisms of wind-induced instability of the dual main cables in construction phases are summarized as follows: the coupling mechanism of unstable main cable shape and aerodynamic interference between cables, the single mechanism of aerodynamic interference between cables, and the single mechanism of unstable main cable shape. At the early stage of the erection of the dual main cables, the wind-induced vibration of the cables is the most problematic, but the maximum amplitude of the dual main cables caused by instability decreases with the erection process pf the cables., 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, authorCompany=null, fund=null, authors=null, authorsList=null), CN=ArticleExt(id=1259474417076265661, articleId=1259474416421954227, tenantId=1146029695717560320, journalId=1259198796492718097, language=CN, title=超大跨悬索桥并置双主缆施工期风致失稳特征试验研究, columnId=1259474416170295982, journalTitle=土木工程学报, columnName=桥梁工程, runingTitle=null, highlight=null, articleAbstract=悬索桥并置双主缆的缆间间距小，气动干扰效应显著，尤其在无吊索约束的施工阶段，主缆频率低、断面形状不断变化，极易发生大幅有害风致振动。以主跨2180 m的某超大跨径悬索桥的单侧并置双主缆方案为工程背景，设计并制作双主缆施工阶段5种典型截面节段模型，进行多工况下双主缆测振风洞试验，研究单侧并置双主缆在施工期的风致振动特征，并与典型振动工况同参数单主缆风致响应进行对比研究。结果表明：5种典型截面双主缆节段模型均发生大幅度风致振动，最大振幅标准差值高达8.7 H；不同风向角和风攻角下双主缆风致振动特征存在明显差异，双主缆施工期风致失稳的可能机理主要包括：主缆自身不稳定外形及缆间气动干扰耦合作用机理、缆间气动干扰单独作用机理、主缆自身不稳定外形单独作用机理；双主缆在架设早期风致失稳问题最为严重，随着双主缆架设的推进，失稳最大振幅呈现减小趋势。, correspAuthors=邓羊晨, authorNote=李寿英(1977—)，男，博士，教授。主要从事大跨桥梁抗风和结构减震控制方面的研究。
李林玉(2000—)，女，硕士研究生。主要从事大跨桥梁抗风方面的研究。
邓羊晨(1991—)，男，博士，讲师。主要从事大跨桥梁抗风方面的研究。
陈政清(1947—)，男，博士，教授。主要从事桥梁的风致振动和控制方法研究。, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=3OHndetbtrPD8/HMiKSNcw==, pdfFileSize=1858986, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=1.湖南大学，湖南长沙 410082;
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