Article(id=1149745449579495440, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149745442428203486, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2024.04.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1703347200000, receivedDateStr=2023-12-24, revisedDate=1710691200000, revisedDateStr=2024-03-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1752050276416, onlineDateStr=2025-07-09, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752050276416, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752050276416, creator=13701087609, updateTime=1752050276416, updator=13701087609, issue=Issue{id=1149745442428203486, tenantId=1146029695717560320, journalId=1146123302524792850, year='2024', volume='37', issue='4', pageStart='1', pageEnd='141', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752050274711, creator=13701087609, updateTime=1753780137206, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157001011664605316, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149745442428203486, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157001011664605317, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149745442428203486, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=60, endPage=64, ext={EN=ArticleExt(id=1149745450191863846, articleId=1149745449579495440, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Key Technologies for Seamless Track Development in Depots Based on Upper Cover Vibration Source Control, columnId=1152669335454658940, journalTitle=Urban Rapid Rail Transit, columnName=Academic Discussion, runingTitle=null, highlight=null, articleAbstract=

To address the urgent need for vibration and noise reduction in the development of upper covers, this paper summarizes existing control measures for tracking vibration and noise in depots, emphasizing the necessity of implementing seamless rails in depot lines. We also examine the requirements for sleepers. Our calculations indicate that depots can meet the strength and stability requirements for seamless lines by using arm span resistance pillows in conjunction with other strengthening measures. Additionally, this paper introduces a seamless turnout technology for No.7 movable turnouts and verifies their seamless integration based on actual usage conditions in Beijing. The findings suggest that both the turnouts and the turnout groups are suitable for seamless application. A comparative test conducted at a speed of 15 km/h reveals that the movable turnout reduces vibration and noise by 35 dB compared to fixed turnouts.

, correspAuthors=Dongfeng ZHANG, 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=Dongfeng ZHANG, Xiudong MO, Zhuang SHAO, Jun YE), CN=ArticleExt(id=1149745457603199291, articleId=1149745449579495440, tenantId=1146029695717560320, journalId=1146123302524792850, language=CN, title=基于振源控制的上盖开发车辆段轨道无缝化关键技术研究, columnId=1152669335668568445, journalTitle=都市快轨交通, columnName=学术探讨, runingTitle=null, highlight=null, articleAbstract=

针对目前车辆段上盖开发中减振降噪的迫切需求,归纳车辆段轨道振动噪声的既有控制措施,提出车辆段车场线钢轨无缝化的必要性,研究无缝化对于轨枕的需求。经检算,车辆段在采用臂展式阻力枕并配合其余加强措施的情况下,能够满足无缝线路的强度和稳定性要求。进一步地,提出7号可动心轨辙叉无缝道岔技术,并结合北京地区实际使用条件进行道岔无缝化检算,得出该道岔及道岔群具备无缝化的条件。在车速为15 km/h的条件下,进行对比测试,发现可动心轨辙叉道岔相比于固定型辙叉道岔具有3~5dB的减振降噪效果。

, correspAuthors=张东风, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=YFvq8g2DvqZJZ0pInRYiQA==, magXml=yv0tazL8HdFVEbfX9J7fsw==, pdfUrl=null, pdf=GVImTNcJLejs1gtiQoDJFg==, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=+AtRJz8IDIV9ZY5aNwYCDQ==, mapNumber=null, authorCompany=null, fund=null, authors=

张东风,男,硕士,正高级工程师,从事轨道工程相关研究,

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Urban rapid rail transit, 2022, 35(5): 84-89., articleTitle=Research and prospects of track vibration reduction measures in the Qingdao subway, refAbstract=null), Reference(id=1154040161991118981, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, doi=null, pmid=null, pmcid=null, year=2023, volume=36, issue=4, pageStart=146, pageEnd=153, url=null, language=null, rfNumber=[5], rfOrder=8, authorNames=陈鹏, 谢家乐, 井国庆, journalName=都市快轨交通, refType=null, unstructuredReference=陈鹏, 谢家乐, 井国庆. 城市轨道交通有砟轨道的应用及养护维修探讨[J]. 都市快轨交通, 2023, 36(4): 146-153., articleTitle=城市轨道交通有砟轨道的应用及养护维修探讨, refAbstract=null), Reference(id=1154040162054033543, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, doi=null, pmid=null, pmcid=null, year=2023, volume=36, issue=4, pageStart=146, pageEnd=153, url=null, language=null, rfNumber=[5], rfOrder=9, authorNames=CHEN Peng, XIE Jiale, JING Guoqing, journalName=Urban rapid rail transit, refType=null, unstructuredReference= CHEN Peng , XIE Jiale , JING Guoqing . Applying and maintaining ballast track for urban rail transit[J]. Urban rapid rail transit, 2023, 36(4): 146-153., articleTitle=Applying and maintaining ballast track for urban rail transit, refAbstract=null), Reference(id=1154040162104365193, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, doi=null, pmid=null, pmcid=null, year=2023, volume=40, issue=2, pageStart=12, pageEnd=17, url=null, language=null, rfNumber=[6], rfOrder=10, authorNames=潘自立, 王树国, 谢毅, journalName=铁道工程学报, refType=null, unstructuredReference=潘自立, 王树国, 谢毅, 等. 高原大日温差环境下跨区间无缝线路研究[J]. 铁道工程学报, 2023, 40(2): 12-17., articleTitle=高原大日温差环境下跨区间无缝线路研究, refAbstract=null), Reference(id=1154040162171474059, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, doi=null, pmid=null, pmcid=null, year=2023, volume=40, issue=2, pageStart=12, pageEnd=17, url=null, language=null, rfNumber=[6], rfOrder=11, authorNames=PAN Zili, WANG Shuguo, XIE Yi, journalName=Journal of railway engineering society, refType=null, unstructuredReference= PAN Zili , WANG Shuguo , XIE Yi , et al. 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Journal of railway engineering society, 2023, 40(2): 12-17., articleTitle=Research on the trans-section CWR in the large daily temperature difference environment of the plateau, refAbstract=null), Reference(id=1154040162226000013, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, doi=null, pmid=null, pmcid=null, year=2010, volume=37, issue=3, pageStart=168, pageEnd=171, url=null, language=null, rfNumber=[7], rfOrder=12, authorNames=刘静茹, 马筠, 张海波, journalName=铁道劳动安全卫生与环保, refType=null, unstructuredReference=刘静茹, 马筠, 张海波. 轮轨运行状态对轮轨噪声及振动的影响分析[J]. 铁道劳动安全卫生与环保, 2010, 37(3): 168-171., articleTitle=轮轨运行状态对轮轨噪声及振动的影响分析, refAbstract=null), Reference(id=1154040162267943054, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, doi=null, pmid=null, pmcid=null, year=2010, volume=37, issue=3, pageStart=168, pageEnd=171, url=null, language=null, rfNumber=[7], rfOrder=13, authorNames=LIU Jingru, MA Yun, ZHANG Haibo, journalName=Railway occupational safety health & environmental protection, refType=null, unstructuredReference= LIU Jingru , MA Yun , ZHANG Haibo . 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Railway occupational safety health & environmental protection, 2010, 37(3): 168-171., articleTitle=Analysis of the influence of wheel-rail running state on wheel-rail noise and vibration, refAbstract=null), Reference(id=1154040162318274704, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, doi=null, pmid=null, pmcid=null, year=2015, volume=28, issue=6, pageStart=71, pageEnd=75, url=null, language=null, rfNumber=[8], rfOrder=14, authorNames=王欢, 徐田坤, 谷爱军, journalName=都市快轨交通, refType=null, unstructuredReference=王欢, 徐田坤, 谷爱军, 等. 基于无缝线路失稳分析的地铁轨温预警限值[J]. 都市快轨交通, 2015, 28(6): 71-75., articleTitle=基于无缝线路失稳分析的地铁轨温预警限值, refAbstract=null), Reference(id=1154040162368606354, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, doi=null, pmid=null, pmcid=null, year=2015, volume=28, issue=6, pageStart=71, pageEnd=75, url=null, language=null, rfNumber=[8], rfOrder=15, authorNames=WANG Huan, XU Tiankun, GU Aijun, journalName=Urban rapid rail transit, refType=null, unstructuredReference= WANG Huan , XU Tiankun , GU Aijun , et al. Research of alarming rail temperature threshold of metro based on CWR track stability[J]. Urban rapid rail transit, 2015, 28(6): 71-75., articleTitle=Research of alarming rail temperature threshold of metro based on CWR track stability, refAbstract=null), Reference(id=1154040162418938004, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, doi=null, pmid=null, pmcid=null, year=2022, volume=48, issue=5, pageStart=100, pageEnd=103, url=null, language=null, rfNumber=[9], rfOrder=16, authorNames=邵壮, 孙井林, 陈学振, journalName=铁道勘察, refType=null, unstructuredReference=邵壮, 孙井林, 陈学振, 等. 新型臂展式轨枕和IIIc型轨枕横向阻力试验和仿真研究[J]. 铁道勘察, 2022, 48(5): 100-103., articleTitle=新型臂展式轨枕和IIIc型轨枕横向阻力试验和仿真研究, refAbstract=null), Reference(id=1154040162473463958, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, doi=null, pmid=null, pmcid=null, year=2022, volume=48, issue=5, pageStart=100, pageEnd=103, url=null, language=null, rfNumber=[9], rfOrder=17, authorNames=SHAO Zhuang, SUN Jinglin, CHEN Xuezhen, journalName=Railway investigation and surveying, refType=null, unstructuredReference= SHAO Zhuang , SUN Jinglin , CHEN Xuezhen , et al. 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Railway investigation and surveying, 2022, 48(5): 100-103., articleTitle=Experimental and simulation study on the ballast bed lateral resistance of new arm-spread-type sleeper and standard III c sleeper, refAbstract=null), Reference(id=1154040162527989912, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, doi=null, pmid=null, pmcid=null, year=2022, volume=48, issue=2, pageStart=114, pageEnd=119, url=null, language=null, rfNumber=[10], rfOrder=18, authorNames=田春雨, 赵天运, journalName=铁道勘察, refType=null, unstructuredReference=田春雨, 赵天运. 地铁7号可动心轨道岔动力学仿真研究[J]. 铁道勘察, 2022, 48(2): 114-119., articleTitle=地铁7号可动心轨道岔动力学仿真研究, refAbstract=null), Reference(id=1154040162578321562, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, doi=null, pmid=null, pmcid=null, year=2022, volume=48, issue=2, pageStart=114, pageEnd=119, url=null, language=null, rfNumber=[10], rfOrder=19, authorNames=TIAN Chunyu, ZHAO Tianyun, journalName=Railway investigation and surveying, refType=null, unstructuredReference= TIAN Chunyu , ZHAO Tianyun . Dynamic simulation of metro No.7 turnout with movable-point frog[J]. Railway investigation and surveying, 2022, 48(2): 114-119., articleTitle=Dynamic simulation of metro No.7 turnout with movable-point frog, refAbstract=null)], funds=[Fund(id=1154040161424887925, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, awardId=CAMET-KY-2022092, language=CN, fundingSource=中国城市轨道交通协会科研专项(CAMET-KY-2022092), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1154040156240728072, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, xref=1, ext=[AuthorCompanyExt(id=1154040156249116681, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, companyId=1154040156240728072, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1 China Railway Engineering Design and Consulting Group Co., Ltd. Beijing 100055), AuthorCompanyExt(id=1154040156253310986, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, companyId=1154040156240728072, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1 中铁工程设计咨询集团有限公司 北京 100055)]), AuthorCompany(id=1154040156299448332, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, xref=2, ext=[AuthorCompanyExt(id=1154040156303642637, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, companyId=1154040156299448332, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2 Ningbo Rail Transit Group Co., Ltd. Ningbo Zhejiang 315101), AuthorCompanyExt(id=1154040156307836942, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, companyId=1154040156299448332, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2 宁波市轨道交通集团有限公司 浙江宁波 315101)])], figs=[ArticleFig(id=1154040160443420758, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=EN, label=Figure 1, caption=Arm-spread-type resistance pillows, figureFileSmall=mZffSJl/QYnVaSR87dcxXQ==, figureFileBig=LTXRrQH9HahkUbUKJxI7Qw==, tableContent=null), ArticleFig(id=1154040160527306840, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=CN, label=图 1, caption=臂展式阻力枕, figureFileSmall=mZffSJl/QYnVaSR87dcxXQ==, figureFileBig=LTXRrQH9HahkUbUKJxI7Qw==, tableContent=null), ArticleFig(id=1154040160606998618, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=EN, label=Figure 2, caption=Turnout check model, figureFileSmall=TMrqY/KmKLd5vRe1P0Gf2A==, figureFileBig=zbKPIFbfemcjYKWI6M36gg==, tableContent=null), ArticleFig(id=1154040160657330268, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=CN, label=图 2, caption=单开道岔检算模型, figureFileSmall=TMrqY/KmKLd5vRe1P0Gf2A==, figureFileBig=zbKPIFbfemcjYKWI6M36gg==, tableContent=null), ArticleFig(id=1154040160707661918, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=EN, label=Figure 3, caption=Measured vibration and noise of No. 7 fixed type and movable turnout, figureFileSmall=C1UOdvXCagsFbDIjYVkpuQ==, figureFileBig=RatZxkMEcDNfXtOhBSC/1Q==, tableContent=null), ArticleFig(id=1154040160762187871, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=CN, label=图 3, caption=实测 7 号固定型和可动心道岔振动噪声对比, figureFileSmall=C1UOdvXCagsFbDIjYVkpuQ==, figureFileBig=RatZxkMEcDNfXtOhBSC/1Q==, tableContent=null), ArticleFig(id=1154040160808325216, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=EN, label=Table 1, caption=Rail strength and stability check conditions, figureFileSmall=null, figureFileBig=null, tableContent=
方案 II 型 混凝土枕 III 型 混凝土枕 臂展式 阻力枕
车型 A 型车(轴重 16 t)
钢轨类型/(kg/m) 50
锁定轨温/℃ ${28} \pm 5$
速度/(km/h) 30
曲线半径/m 150
轨枕根数/(根/km) 1440 1 667 1 667
线路纵向阻力/( $\mathrm{{kN}}/\mathrm{m}$ ) 7.1 15 16.3
等效道床横向阻力/(kN/m) 6.9 11.5 14.1
), ArticleFig(id=1154040160871239778, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=CN, label=表 1, caption=钢轨强度及稳定性检算工况, figureFileSmall=null, figureFileBig=null, tableContent=
方案 II 型 混凝土枕 III 型 混凝土枕 臂展式 阻力枕
车型 A 型车(轴重 16 t)
钢轨类型/(kg/m) 50
锁定轨温/℃ ${28} \pm 5$
速度/(km/h) 30
曲线半径/m 150
轨枕根数/(根/km) 1440 1 667 1 667
线路纵向阻力/( $\mathrm{{kN}}/\mathrm{m}$ ) 7.1 15 16.3
等效道床横向阻力/(kN/m) 6.9 11.5 14.1
), ArticleFig(id=1154040160921571427, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=EN, label=Table 2, caption=Rail strength and stability check results, figureFileSmall=null, figureFileBig=null, tableContent=
方案 II 型 混凝土枕 III 型 混凝土枕 臂展式 阻力枕
钢轨应力/MPa 261.5 254.1 254.1
钢轨容许应力/MPa 351.5
钢轨强度检算 通过 通过 通过
等效道床横向阻力/(N/cm) 69 115 141
钢轨允许温度压力/kN 854.4 961.2 1170
钢轨允许温升/℃ 17.9 29.5 40.9
最高轨温/℃ 61.9
最大温升值/℃ 38.9
钢轨稳定性检算 不通过 不通过 通过
), ArticleFig(id=1154040160988680293, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=CN, label=表 2, caption=钢轨强度及稳定性检算结果, figureFileSmall=null, figureFileBig=null, tableContent=
方案 II 型 混凝土枕 III 型 混凝土枕 臂展式 阻力枕
钢轨应力/MPa 261.5 254.1 254.1
钢轨容许应力/MPa 351.5
钢轨强度检算 通过 通过 通过
等效道床横向阻力/(N/cm) 69 115 141
钢轨允许温度压力/kN 854.4 961.2 1170
钢轨允许温升/℃ 17.9 29.5 40.9
最高轨温/℃ 61.9
最大温升值/℃ 38.9
钢轨稳定性检算 不通过 不通过 通过
), ArticleFig(id=1154040161051594855, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=EN, label=Table 3, caption=Seamless test results of No. 7 turnout and turnouts group, figureFileSmall=null, figureFileBig=null, tableContent=
检算工况 钢轨 强度/ MPa 尖轨相 对位移 mm 螺栓 强度/ MPa 钢轨最大 温度力/kN 钢轨 断缝值/ mm
单开道岔 342.9 11.07 151 884 36.4
单开道岔对接 336.9 12.97 186 884 36.4
单开道岔顺接 345.5 11.63 165 884 36.4
限值 351.5 20.00 415 1 049 70.0
), ArticleFig(id=1154040161106120810, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=CN, label=表 3, caption=7 号道岔及道岔群无缝化检算结果, figureFileSmall=null, figureFileBig=null, tableContent=
检算工况 钢轨 强度/ MPa 尖轨相 对位移 mm 螺栓 强度/ MPa 钢轨最大 温度力/kN 钢轨 断缝值/ mm
单开道岔 342.9 11.07 151 884 36.4
单开道岔对接 336.9 12.97 186 884 36.4
单开道岔顺接 345.5 11.63 165 884 36.4
限值 351.5 20.00 415 1 049 70.0
), ArticleFig(id=1154040161152258157, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=EN, label=Table 4, caption=Comparison of the vibration of a fixed and movable turnout at the throat of the fork, figureFileSmall=null, figureFileBig=null, tableContent=
车速 道岔类型 最大振级/dB 等效 A 声压级/dB(A)
咽喉轨枕 轨旁 轨面7.5 m
10 km/h 固定型 97.85 88.48 84.67
可动心 94.82 84.43 79.61
差值 -3.03 -4.05 -5.06
15 km/h 固定型 98.82 83.73 82.76
可动心 95.08 79.62 77.73
差值 -3.74 -4.11 -5.13
), ArticleFig(id=1154040161240338543, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449579495440, language=CN, label=表 4, caption=固定型和可动心道岔在辙叉咽喉处的振动对比, figureFileSmall=null, figureFileBig=null, tableContent=
车速 道岔类型 最大振级/dB 等效 A 声压级/dB(A)
咽喉轨枕 轨旁 轨面7.5 m
10 km/h 固定型 97.85 88.48 84.67
可动心 94.82 84.43 79.61
差值 -3.03 -4.05 -5.06
15 km/h 固定型 98.82 83.73 82.76
可动心 95.08 79.62 77.73
差值 -3.74 -4.11 -5.13
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基于振源控制的上盖开发车辆段轨道无缝化关键技术研究
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张东风 1 , 莫修栋 2 , 邵壮 1 , 叶军 1
都市快轨交通 | 学术探讨 2024,37(4): 60-64
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都市快轨交通 | 学术探讨 2024, 37(4): 60-64
基于振源控制的上盖开发车辆段轨道无缝化关键技术研究
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张东风1 , 莫修栋2, 邵壮1, 叶军1
作者信息
  • 1 中铁工程设计咨询集团有限公司 北京 100055
  • 2 宁波市轨道交通集团有限公司 浙江宁波 315101
  • 张东风,男,硕士,正高级工程师,从事轨道工程相关研究,

Key Technologies for Seamless Track Development in Depots Based on Upper Cover Vibration Source Control
Dongfeng ZHANG1 , Xiudong MO2, Zhuang SHAO1, Jun YE1
Affiliations
  • 1 China Railway Engineering Design and Consulting Group Co., Ltd. Beijing 100055
  • 2 Ningbo Rail Transit Group Co., Ltd. Ningbo Zhejiang 315101
doi: 10.3969/j.issn.1672-6073.2024.04.009
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针对目前车辆段上盖开发中减振降噪的迫切需求,归纳车辆段轨道振动噪声的既有控制措施,提出车辆段车场线钢轨无缝化的必要性,研究无缝化对于轨枕的需求。经检算,车辆段在采用臂展式阻力枕并配合其余加强措施的情况下,能够满足无缝线路的强度和稳定性要求。进一步地,提出7号可动心轨辙叉无缝道岔技术,并结合北京地区实际使用条件进行道岔无缝化检算,得出该道岔及道岔群具备无缝化的条件。在车速为15 km/h的条件下,进行对比测试,发现可动心轨辙叉道岔相比于固定型辙叉道岔具有3~5dB的减振降噪效果。

城市轨道交通  /  振源控制  /  车辆段上盖开发  /  可动心  /  无缝化  /  减振降噪

To address the urgent need for vibration and noise reduction in the development of upper covers, this paper summarizes existing control measures for tracking vibration and noise in depots, emphasizing the necessity of implementing seamless rails in depot lines. We also examine the requirements for sleepers. Our calculations indicate that depots can meet the strength and stability requirements for seamless lines by using arm span resistance pillows in conjunction with other strengthening measures. Additionally, this paper introduces a seamless turnout technology for No.7 movable turnouts and verifies their seamless integration based on actual usage conditions in Beijing. The findings suggest that both the turnouts and the turnout groups are suitable for seamless application. A comparative test conducted at a speed of 15 km/h reveals that the movable turnout reduces vibration and noise by 35 dB compared to fixed turnouts.

urban rail transit  /  vibration source control  /  depot upper-cover development  /  movable turnouts  /  seamlessness  /  vibration noise reduction
张东风, 莫修栋, 邵壮, 叶军. 基于振源控制的上盖开发车辆段轨道无缝化关键技术研究. 都市快轨交通, 2024 , 37 (4) : 60 -64 . DOI: 10.3969/j.issn.1672-6073.2024.04.009
Dongfeng ZHANG, Xiudong MO, Zhuang SHAO, Jun YE. Key Technologies for Seamless Track Development in Depots Based on Upper Cover Vibration Source Control[J]. Urban Rapid Rail Transit, 2024 , 37 (4) : 60 -64 . DOI: 10.3969/j.issn.1672-6073.2024.04.009
城市化进程的加快引起了一系列人口、资源与环境的问题, 而随着城市轨道交通的有序建设, 地铁车辆段占地面积大的不利条件又与城市紧张的土地资源相矛盾。因此, 开发地铁车辆段上盖物业, 能实现城市轨道交通与商业、办公、住宅的有机融合, 已成为当前解决上述问题的途径之一[ 1 ]。
车辆段上盖开发虽然解决一部分土地紧张问题, 但上述 “有机融合” 也带来了振动和噪声的问题 [ 2 - 3 ] 。 盖下车辆运行产生振动和噪声难免影响盖上人们的起居, 更严重地, 车辆段线路存在大量钢轨接头, 咽喉区存在大量固定型辙叉, 轮轨冲击产生的振动噪声会加剧这种影响。因此, 在车辆段上盖开发中, 将振动噪声对盖上居民的影响降到最低, 成为了重要的课题。此外, 盖下的减振效果 [ 4 ] 不到位, 预测引发盖上振动噪声不达标, 即不满足环评要求, 也会制约车辆段上盖开发的正常进程。本文从轨道振动噪声控制措施入手, 基于振源控制的理念, 研究车辆段钢轨无缝化、7 号可动心轨辙叉道岔及岔区无缝化技术。
1) 隔离式减振垫。碎石道床 [ 5 ] 弹性较大,列车通过时振动水平较低, 但可应用于碎石道床的减振形式不多。根据已建成或在建的车辆段,库外线减振措施主要采用隔离式减振垫, 有效降低列车传递至基础的振动。
2) 减振接头夹板。车辆段库外线钢轨接头位置的轮轨冲击较大,是主要振动噪声来源。减振接头夹板安装在钢轨接头外侧,车轮经过时夹板顶面与钢轨顶面同时接触车轮, 车轮平顺过渡以达到减振效果。
3)阻尼钢轨。阻尼钢轨表面粘贴阻尼材料,阻尼结构由联结板和约束板及两者之间的阻尼层组成, 联结板表面形状同钢轨表面形状一致, 粘贴于钢轨非工作面。
1) 库内钢轨焊接或冻结。库内线轨道一般为直线, 线路条件较好, 其减振措施一般采用焊接或冻结方式连接为无缝线路, 消除钢轨接头, 提高轨道连续性及平顺性, 消除接头处轮轨冲击振动。
2) 提升轨下弹性。与库外线碎石道床相比, 库内线整体道床的弹性较差, 通常车辆段库内采用刚度较低的弹性垫板以提升轨下弹性,进而达到降低轨道振动的效果。
库外线控制措施中, 隔离式减振垫、减振接头夹板、阻尼钢轨等并未从源头上实现, 而库外线轨道的振动噪声主要来源于钢轨接头和固定型辙叉。库内线控制措施中,线路焊接或冻结实现了库内钢轨无缝化, 另外, 通过提升轨下弹性来实现减振, 往往是较普遍的方法。
综上所述, 既有控制措施存在以下问题: 车辆段库外线路未实现钢轨无缝化, 未能实现线路振动源头的减振降噪; 固定型辙叉咽喉处的冲击振动无法消除, 未能实现道岔区振动源头的减振降噪。
1) 车辆段钢轨无缝化的必要性。车辆段车场线内钢轨接头多,在钢轨接头位置,轮轨冲击较大。在国铁,无缝线路具有成熟的设计及运营经验 [ 6 ] ,目前也广泛用于城市轨道交通正线工程。根据相关研究, 在行车速度为 ${40}\sim {60}\mathrm{\;{km}}/\mathrm{h}$ 时,焊接长钢轨比普通有缝钢轨可降低轮轨噪声约3~6 dB [7 。车场线采用有缝线路对于上盖开发的减振降噪是极为不利的, 为满足车辆段上盖开发轨道减振降噪需求, 有必要开展车辆段应用无缝线路的可行性研究。
2) 车辆段钢轨无缝化的难点。车辆段内部线路股道多,而占地面积有限,往往存在诸多小半径曲线。 根据钢轨无缝化的设计理念, 小半径曲线对于长钢轨的稳定性极为不利, 且由于碎石道床的阻力相对不稳定, 钢轨无缝化也较困难。
车辆段钢轨无缝化的首要问题在于长钢轨的稳定性,在轨温变化时不应出现胀轨跑道 [ 8 ] 。车辆段车场线内最小曲线半径达到 ${150}\mathrm{\;m}$ ,对于无缝线路的稳定性极为不利。因此, 提高道床横向阻力对于车辆段钢轨无缝化具有重要作用。
车辆段采用臂展式阻力枕, 是车辆段钢轨无缝化的关键措施。臂展式阻力枕着重增强道床横向阻力以提高轨道整体稳定性, 轨枕两端局部增大断面尺寸形成 “臂展”,以增大纵横向阻力,如 图 1 所示。
根据文献[ 9 ]的仿真和试验结果, 臂展式阻力枕相对于IIIc 型轨枕, 能够提高道床横向阻力约 23%。
在小半径曲线地段进行钢轨无缝化处理, 铺设臂展式阻力枕, 旨在增强小半径曲线地段轨枕与道床之间的联系。本文对 II 型混凝土枕、III型混凝土枕和臂展式阻力枕 3 种设计方案进行对比分析, 对轨道强度及稳定性进行检算, 检算工况如 表 1 所示。
在轨道稳定性检算中, 根据《铁路无缝线路设计规范》(TB 10015-2012),有砟轨道允许升温采用 “统一无缝线路稳定性计算公式”,轨道强度及稳定性检算结果如表 2所示。
经检算, 采用 II 型枕和III型枕均无法满足无缝线路轨道稳定性的要求, 采用臂展式阻力枕则能够满足无缝线路轨道强度和稳定性的要求。另外, 车辆段盖下轨道没有太阳直射, 钢轨最高轨温普遍低于北京市最高轨温, 因而采用该方案进行无缝化检算的安全系数更高。
在曲线上, 无缝线路除受温度力作用之外, 还会受到列车横向作用力而发生轨距扩张, 因而在车辆段无缝化的同时,应同时考虑采取轨道结构加强措施。
1)安装曲线钢轨固结装置。在小半径曲线段,安装曲线钢轨固结装置(地锚拉杆等),可加强轨道框架刚度, 对于车辆段钢轨无缝化中加强轨道稳定性具有积极意义。
2) 增加道床肩宽和堆高。有砟轨道地段道床肩宽一般取 ${200}\mathrm{\;{mm}}$ ,在小半径曲线地段,曲线外侧道床肩宽加宽 ${100}\mathrm{\;{mm}}$ ,无堆高。道床肩宽及堆高对于提高道床横向阻力起重要作用, 因此, 车辆段车场线可在小半径曲线外股将道床肩宽提高至 $\geq {400}\mathrm{\;{mm}}$ ,并设置 ${150}\mathrm{\;{mm}}$ 砟肩堆高,以提高道床横向阻力,增强轨道抗失稳能力。
3) 应用挡砟缘石。在曲线地段, 轨道在列车轮对的导向力作用下, 有向曲线外侧横移的趋势, 若道床松散, 轨道横移出现塑性变形, 并随着列车运行产生横向累积变形。在小半径曲线道床坡角设置挡砟缘石, 提高道床横向稳定性, 降低道床累积变形, 有利于小半径曲线地段无缝线路状态维持。
1)应用必要性。固定型辙叉咽喉轨线不连续, 车轮垂向冲击辙叉心轨或翼轨,形成了显著的振动噪声, 此外, 道岔区轨缝也是产生振动噪声的主要源头。目前,车辆段主要采用 ${50}\mathrm{\;{kg}}/\mathrm{m}$ 钢轨、7号固定型辙叉道岔。根据相关调查, 平均每个地铁车辆段包含 40 组单开道岔,每组单开道岔存在 10~12 个轨缝。车辆段采用有缝的固定型辙叉道岔会产生剧烈且密集的振动噪声, 而采用可动心轨辙叉同时进行道岔无缝化处理则完全避免了该问题, 因此, 车辆段应用 7 号可动心轨辙叉无缝道岔有极大的必要性。
2) 应用难点。7 号可动心轨辙叉无缝道岔在车辆段应用的主要的难点在于道岔无缝化。由于车辆段碎石道床的稳定性较差, 岔区长钢轨的稳定性等指标需检算。道岔无缝化需要检算钢轨强度、钢轨稳定性、 尖轨位移、间隔铁螺栓强度和断缝值指标, 同时还应考虑道岔群内部无缝道岔之间的影响。
采用有限元法建立了单开道岔模型及道岔顺接、 对接的模型,见 图 2 ,并对 7 号可动心轨辙叉 [ 10 ] 道岔的无缝化方案进行检算。
根据《铁路无缝线路设计规范》,北京市最高、最低轨温分别为 ${61.9}^{\circ }\mathrm{C}$$-{27.4}^{\circ }\mathrm{C}$ 。结合北京既有车辆段工程实践,设计锁定轨温取 ${28}\pm {5}^{\circ }\mathrm{C}$
道岔轨温最大温升值为 ${38.9}^{\circ }\mathrm{C}$ ,最大温降值为 ${60.4}^{\circ }\mathrm{C}$ ,经计算,各指标及限值如 表 3 所示。
经检算,在设计锁定轨温 ${28}\pm {5}^{\circ }\mathrm{C}$ 的条件下,7 号可动心轨辙叉道岔及道岔群具备车辆段无缝线路应用条件。
在车辆以 ${10}\mathrm{\;{km}}/\mathrm{h}$ 的速度通过 7 号固定型辙叉道岔和 7 号可动心轨辙叉道岔时, 实测两种道岔的轨枕振动加速度、轨旁噪声以及距离轨面 ${7.5}\mathrm{\;m}$ 处的环境噪声数据如 图 3 所示。
在车辆以 ${10}\mathrm{\;{km}}/\mathrm{h}$${15}\mathrm{\;{km}}/\mathrm{h}$ 速度通过时,固定型道岔和可动心轨辙叉道岔在辙叉咽喉处的振动对比如 表 4 所示。
在行车速度为 ${10}\mathrm{\;{km}}/\mathrm{h}$ 的条件下, 7 号可动心轨辙叉道岔的辙叉咽喉处的轨枕振动降低 ${3.03}\mathrm{\;{dB}}$ ,轨旁噪声降低 ${4.05}\mathrm{\;{dB}}$ ,距离轨面 ${7.5}\mathrm{\;m}$ 处的环境噪声降低 ${5.06}\mathrm{\;{dB}}$ 。在行车速度为 ${15}\mathrm{\;{km}}/\mathrm{h}$ 的条件下,7 号可动心轨辙叉道岔的辙叉咽喉处的轨枕振动降低 ${3.74}\mathrm{\;{dB}}$ , 轨旁噪声降低 ${4.11}\mathrm{\;{dB}}$ ,距离轨面 ${7.5}\mathrm{\;m}$ 处的环境噪声降低 ${5.13}\mathrm{\;{dB}}$
根据测试结果可知, 7 号可动心轨辙叉道岔相比于 7 号固定型辙叉道岔, 具备显著的减振降噪效果, 当行车速度提高时, 减振降噪效果更明显。
本文提出了车辆段既有减振降噪措施未从振动源头考虑, 研究了钢轨无缝化及 7 号可动心轨辙叉无缝道岔技术, 主要结论如下。
1) 既有车辆段减振降噪措施虽然具备一定的减振降噪能力, 但没有从振动源头考虑, 往往达不到理想的效果。
2) 车场线无缝化对于减振降噪具有重要意义, 是能够实现基于振源控制减振的重要措施, 需采用臂展式阻力枕及其他加强措施来保障无缝线路稳定性。
3) 7 号可动心轨辙叉道岔实现了车辆段小号码道岔轨线连续, 以北京地区为算例, 该道岔及道岔群具备无缝化条件;在无缝化方案应用于其他城市时, 应按当地实际气候条件及应用场所进一步检算。
4) 根据现场测试,在车速为 ${15}\mathrm{\;{km}}/\mathrm{h}$ 时,7 号可动心轨辙叉道岔减振降噪效果达 $3 \sim 5\mathrm{\;{dB}}$
  • 中国城市轨道交通协会科研专项(CAMET-KY-2022092)
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2024年第37卷第4期
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doi: 10.3969/j.issn.1672-6073.2024.04.009
  • 接收时间:2023-12-24
  • 首发时间:2025-07-09
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  • 收稿日期:2023-12-24
  • 修回日期:2024-03-18
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中国城市轨道交通协会科研专项(CAMET-KY-2022092)
作者信息
    1 中铁工程设计咨询集团有限公司 北京 100055
    2 宁波市轨道交通集团有限公司 浙江宁波 315101
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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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