Article(id=1149729526546084137, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729524688007450, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2025.02.002, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1739548800000, receivedDateStr=2025-02-15, revisedDate=1740067200000, revisedDateStr=2025-02-21, acceptedDate=null, acceptedDateStr=null, onlineDate=1752046480070, onlineDateStr=2025-07-09, pubDate=1743436800000, pubDateStr=2025-04-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752046480070, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752046480070, creator=13701087609, updateTime=1752046480070, updator=13701087609, issue=Issue{id=1149729524688007450, tenantId=1146029695717560320, journalId=1146123302524792850, year='2025', volume='38', issue='2', pageStart='1', pageEnd='177', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752046479627, creator=13701087609, updateTime=1753780095764, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157000837835870332, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729524688007450, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157000837835870333, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729524688007450, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=8, endPage=13, ext={EN=ArticleExt(id=1149729526722244909, articleId=1149729526546084137, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Theoretical Innovation in Urban Rail Transit Reconstruction: A Framework for Network Integration and Equipment Upgradability, columnId=1152669340382966151, journalTitle=Urban Rapid Rail Transit, columnName=Forum of Rapid Rail Transit, runingTitle=null, highlight=null, articleAbstract=
Addressing the current challenges in urban rail transit line reconstruction, such as insufficient network synergy, path dependency in equipment updates, and the lack of upgradability design, this study explores theoretical innovation directions. It proposes key strategies, including incorporating upgradability into the equipment performance evaluation system, decoupling equipment from lines for networkoriented reconstruction, and improving the overall network functionality through clustered line reconstruction. These theoretical innovations aim to systematically promote the reconstruction of existing lines, reduce the cost of equipment upgrades, improve maintenance efficiency, and drive the sustainable development of the urban rail transit industry. Based on the framework of Guidelines for reconstruction of existing urban rail transit lines in China, this study addresses critical challenges in urban rail transit reconstruction, including insufficient network coordination, path dependency in equipment upgrades, and inadequate upgradability design. It proposes a comprehensive theoretical framework with four key innovations: integrating "upgradability” into equipment performance evaluation systems; implementing networkoriented decoupling of equipment systems from physical infrastructure; enhancing overall network functionality through clustered line reconstruction approaches; and developing derivative, regenerative, and symbiotic systems for rail transit reconstruction based on the "productionlivingecology" theory of urban renewal. These theoretical advances provide systematic solutions to optimize network functionality, reduce equipment replacement costs, enhance maintenance efficiency, and promote sustainable development in the urban rail transit sector. The proposed framework offers valuable guidance for policymaking and implementation strategies in urban rail transit modernization.
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针对当前城轨交通既有线改造中存在的网络协同不足、设备更新路径依赖及可更新性设计缺失等问题,基于《中国城市轨道交通既有线改造指导意见》的框架,探讨城市轨道交通既有线改造的理论创新方向,并提出将可更新性列入装备性能评估体系,面向线网将设备系统与线路解耦重构,通过线路集群化改造完善线网整体功能,运用城市更新“三生”理论构建城轨更新改造衍生、再生、共生体系等关键点。通过这些理论创新,系统促进既有线改造完善线网整体功能,降低设备更新换代成本,提高设备维护效率,并推动城轨交通行业的可持续发展。
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丁树奎,男,硕士,教授级高级工程师,从事城市轨道交通建设及技术管理与研究,dingshukui@yeah.net
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丁树奎,男,硕士,教授级高级工程师,从事城市轨道交通建设及技术管理与研究,dingshukui@yeah.net
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