Article(id=1149745449738875826, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149745442428203486, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2024.04.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1701273600000, receivedDateStr=2023-11-30, revisedDate=1713888000000, revisedDateStr=2024-04-24, acceptedDate=null, acceptedDateStr=null, onlineDate=1752050276455, onlineDateStr=2025-07-09, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752050276455, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752050276455, creator=13701087609, updateTime=1752050276455, 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=72, endPage=79, ext={EN=ArticleExt(id=1149745450007311295, articleId=1149745449738875826, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Bridge-Rail Interaction of Small Radius Curved Bridges and the Effect of Fastener Resistance under Temperature Variation, columnId=1152669336394183038, journalTitle=Urban Rapid Rail Transit, columnName=Civil Engineering Technology, runingTitle=null, highlight=null, articleAbstract=
An integrated spatial finite element model of railbridgepier was developed and validated to investigate the effect of temperature on the interaction between bridges and rails, particularly focusing on smallradius curved bridges used by trams. This study compared and analyzed the bridgerail interaction laws between straight bridges and smallradius curved bridges. It specifically examined the additional expansion force of the rail, lateral forces at the top of bridge piers, and longitudinal forces under overall and local heating conditions. Under overall heating conditions, the research found that smallradius curved bridges experience greater lateral displacement of the steel rail and higher lateral forces at the top of bridge piers compared to straight bridges. Moreover, as the bridge temperature increased, the additional expansion force of the rail also increased. Calculations using overall heating conditions resulted in larger expansion forces and longitudinal forces on the top of piers compared to local heating conditions. Based on these findings, three different fastener arrangement schemes were proposed and evaluated. It was observed that fasteners with lower resistance could effectively reduce the additional expansion force of the rail. However, insufficient longitudinal resistance might increase the risk of rail joint fractures. In conclusion, the study provides valuable insights for designing continuously welded rails on smallradius curved bridges for tram systems, offering guidance on optimizing fastener arrangements to mitigate rail expansion effects while ensuring structural integrity.
, correspAuthors=Shaoqin WANG, 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=Hong QIAO, Chengying HUANG, Shaoqin WANG, Zuhao DAI, Liangfeng RUAN, Xianting DU), CN=ArticleExt(id=1149745471477952578, articleId=1149745449738875826, tenantId=1146029695717560320, journalId=1146123302524792850, language=CN, title=温度效应下小半径曲线桥梁轨作用及扣件阻力影响研究, columnId=1152669336603898239, journalTitle=都市快轨交通, columnName=土建技术, runingTitle=null, highlight=null, articleAbstract=
为研究温度效应对小半径曲线桥梁轨相互作用的影响,以某小半径有轨电车曲线桥为背景,建立考虑无缝线路线形的线桥墩一体化空间有限元模型并进行验证。分析并对比直线桥与小半径曲线桥梁轨相互作用规律,研究了整体升温工况与局部升温工况下小半径曲线桥钢轨伸缩附加力、桥梁墩顶横向力和纵向力的大小及其分布规律,提出3种扣件布置方案并从减小钢轨伸缩附加力的角度进行对比。研究结果表明:相较于直线桥,整体升温情况下小半径曲线桥上钢轨横向位移及墩顶横向力均较大;对于小半径曲线桥,整体升温情况下,随着桥梁温度的升高,钢轨的伸缩附加力逐渐增大;采用整体升温工况进行设计检算时,钢轨所受伸缩力及墩顶纵向力与局部升温工况相比结果偏大;相较于铺设常阻力扣件,铺设小阻力扣件可以明显减小钢轨伸缩附加力,但纵向阻力过小容易导致钢轨折断时断缝过大。研究结果可以为有轨电车小半径曲线桥上无缝线路的设计提供理论参考。
, correspAuthors=王少钦, authorNote=null, correspAuthorsNote=
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Rail-bridge-pier spatial finite element model of small-radius curved bridge, figureFileSmall=uaUYf44ECJEoO+5+OzRFjA==, figureFileBig=yTr9EQ+NGl0F7ELkOJhlWw==, tableContent=null), ArticleFig(id=1154040207004390102, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=图 1, caption=
小半径曲线桥线-桥-墩有限元模型, figureFileSmall=uaUYf44ECJEoO+5+OzRFjA==, figureFileBig=yTr9EQ+NGl0F7ELkOJhlWw==, tableContent=null), ArticleFig(id=1154040207088276184, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Figure 2, caption=
Schematic diagram of the overall model, figureFileSmall=/IGMM1sIpwLoLiEmvBR2tA==, figureFileBig=AxFrUXEsgWxtcPxWmIri9w==, tableContent=null), ArticleFig(id=1154040207163773656, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=图 2, caption=
总体分析模型示意, figureFileSmall=/IGMM1sIpwLoLiEmvBR2tA==, figureFileBig=AxFrUXEsgWxtcPxWmIri9w==, tableContent=null), ArticleFig(id=1154040207251854042, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Figure 3, caption=
Section dimensions of box girder, figureFileSmall=nJLvVPYjAcAUEWEivOSSAQ==, figureFileBig=T06+k0M6llLD/Gd6944w/A==, tableContent=null), ArticleFig(id=1154040207344128731, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=图 3, caption=
箱梁截面尺寸, figureFileSmall=nJLvVPYjAcAUEWEivOSSAQ==, figureFileBig=T06+k0M6llLD/Gd6944w/A==, tableContent=null), ArticleFig(id=1154040207432209116, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Figure 4, caption=
Rail-bridge-pier spatial finite element model of straight bridge, figureFileSmall=McPAbfQIdVGFib1TVdNYcg==, figureFileBig=T539Q2Dq/hZ3+1epVECPUA==, tableContent=null), ArticleFig(id=1154040207528678110, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=图 4, caption=
直线桥线-桥-墩有限元模型, figureFileSmall=McPAbfQIdVGFib1TVdNYcg==, figureFileBig=T539Q2Dq/hZ3+1epVECPUA==, tableContent=null), ArticleFig(id=1154040207608369888, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Figure 5, caption=
Lateral displacement of rails, figureFileSmall=lk0fFE0jQux5IFxefHRZSQ==, figureFileBig=xSyMBXTmrjyGpHMiksuhEQ==, tableContent=null), ArticleFig(id=1154040207704838882, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=图 5, caption=
钢轨横向位移, figureFileSmall=lk0fFE0jQux5IFxefHRZSQ==, figureFileBig=xSyMBXTmrjyGpHMiksuhEQ==, tableContent=null), ArticleFig(id=1154040207780336357, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Figure 6, caption=
Distribution of structural forces under different overall heating conditions, figureFileSmall=INX82I5QPRGwWbYSweAxIA==, figureFileBig=wp3v2XJaziFufsMHwxQvYQ==, tableContent=null), ArticleFig(id=1154040207839056616, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=图 6, caption=
不同整体升温工况下结构受力分布情况, figureFileSmall=INX82I5QPRGwWbYSweAxIA==, figureFileBig=wp3v2XJaziFufsMHwxQvYQ==, tableContent=null), ArticleFig(id=1154040207931331306, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Figure 7, caption=
Distribution of structural forces under different local heating conditions, figureFileSmall=s7D6qg/snNbNlYlkI6bitA==, figureFileBig=HLE6pXHgza/7vQE+kZOP9Q==, tableContent=null), ArticleFig(id=1154040208031994604, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=图 7, caption=
不同局部升温工况下结构受力分布情况, figureFileSmall=s7D6qg/snNbNlYlkI6bitA==, figureFileBig=HLE6pXHgza/7vQE+kZOP9Q==, tableContent=null), ArticleFig(id=1154040208103297775, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Figure 8, caption=
Schematic diagram of the longitudinal resistance model for fasteners, figureFileSmall=KeTN5ZmbH6aThga0ypnswA==, figureFileBig=zvWpaIt9t+ltR/kMxprHZA==, tableContent=null), ArticleFig(id=1154040208216543985, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=图 8, caption=
扣件纵向阻力模型示意, figureFileSmall=KeTN5ZmbH6aThga0ypnswA==, figureFileBig=zvWpaIt9t+ltR/kMxprHZA==, tableContent=null), ArticleFig(id=1154040208287847155, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Figure 9, caption=
Additional expansion forces of rail with different fastener arrangements, figureFileSmall=sOaYIHI80CmKcoQNAdS6Rg==, figureFileBig=GlhLTcHUGofNx9GrY6G7Wg==, tableContent=null), ArticleFig(id=1154040208455619320, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=图 9, caption=
不同扣件方案钢轨伸缩附加力, figureFileSmall=sOaYIHI80CmKcoQNAdS6Rg==, figureFileBig=GlhLTcHUGofNx9GrY6G7Wg==, tableContent=null), ArticleFig(id=1154040208526922491, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Figure 10, caption=
Longitudinal displacement distribution of rails under broken rail conditions, figureFileSmall=GgHY6ad5reEbOKJzGN4XlA==, figureFileBig=GP72d7Zu9tjkgdnYnkp0DQ==, tableContent=null), ArticleFig(id=1154040208615002878, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=图 10, caption=
断轨工况下钢轨纵向位移分布, figureFileSmall=GgHY6ad5reEbOKJzGN4XlA==, figureFileBig=GP72d7Zu9tjkgdnYnkp0DQ==, tableContent=null), ArticleFig(id=1154040208686306049, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Table 1, caption=
Comparison of calculation results, figureFileSmall=null, figureFileBig=null, tableContent=
| 计算项目 | 文献[ 8 ]结果 | 本文结果 | 相对误差 |
| 钢轨伸缩力最大值 | 852.42 kN | 844.23 kN | 1% |
| 钢轨纵向位移最大值 | 19.29 mm | 19.90 mm | 3% |
| 桥墩纵向受力最大值 | 749.91 kN | 770.93 kN | 3% |
), ArticleFig(id=1154040208770192130, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=表 1, caption=
计算结果对比, figureFileSmall=null, figureFileBig=null, tableContent=
| 计算项目 | 文献[ 8 ]结果 | 本文结果 | 相对误差 |
| 钢轨伸缩力最大值 | 852.42 kN | 844.23 kN | 1% |
| 钢轨纵向位移最大值 | 19.29 mm | 19.90 mm | 3% |
| 桥墩纵向受力最大值 | 749.91 kN | 770.93 kN | 3% |
), ArticleFig(id=1154040208837300997, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Table 2, caption=
Lateral force at the top of the pier, figureFileSmall=null, figureFileBig=null, tableContent=
| 墩号 | 直线桥墩顶横向力/kN | 曲线桥墩顶横向力/kN |
| 1 | 近似为 0 | 106.418 |
| 2 | 近似为 0 | 79.781 |
| 3 | 近似为 0 | 191.990 |
| 4 | 近似为 0 | 416.801 |
| 5 | 近似为 0 | 238.330 |
| 6 | 近似为 0 | -86.899 |
| 7 | 近似为 0 | -493.338 |
| 8 | 近似为 0 | -540.068 |
| 9 | 近似为 0 | -408.629 |
| 10 | 近似为 0 | -194.567 |
| 11 | 近似为 0 | -76.096 |
| 12 | 近似为 0 | -112.230 |
), ArticleFig(id=1154040208900215560, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=表 2, caption=
桥墩墩顶横向力, figureFileSmall=null, figureFileBig=null, tableContent=
| 墩号 | 直线桥墩顶横向力/kN | 曲线桥墩顶横向力/kN |
| 1 | 近似为 0 | 106.418 |
| 2 | 近似为 0 | 79.781 |
| 3 | 近似为 0 | 191.990 |
| 4 | 近似为 0 | 416.801 |
| 5 | 近似为 0 | 238.330 |
| 6 | 近似为 0 | -86.899 |
| 7 | 近似为 0 | -493.338 |
| 8 | 近似为 0 | -540.068 |
| 9 | 近似为 0 | -408.629 |
| 10 | 近似为 0 | -194.567 |
| 11 | 近似为 0 | -76.096 |
| 12 | 近似为 0 | -112.230 |
), ArticleFig(id=1154040208975713036, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Table 3, caption=
Overall heating conditions, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 钢轨升温/℃ | 桥梁升温/℃ |
| 工况 1 | 44.2 | 25 |
| 工况 2 | 44.2 | 30 |
| 工况 3 | 44.2 | 35 |
| 工况 4 | 44.2 | 40 |
), ArticleFig(id=1154040209072182032, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=表 3, caption=
整体升温工况设计, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 钢轨升温/℃ | 桥梁升温/℃ |
| 工况 1 | 44.2 | 25 |
| 工况 2 | 44.2 | 30 |
| 工况 3 | 44.2 | 35 |
| 工况 4 | 44.2 | 40 |
), ArticleFig(id=1154040209130902289, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Table 4, caption=
Local heating conditions, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 桥面 板升温/℃ | 右侧 腹板升温/℃ | 底板 升温/℃ | 左侧 腹板升温/℃ |
| 工况 1 | 30 | 30 | 0 | 0 |
| 工况 2 | 30 | 30 | 10 | 10 |
| 工况 3 | 30 | 30 | 20 | 20 |
| 工况 4 | 30 | 30 | 30 | 30 |
), ArticleFig(id=1154040209231565588, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=表 4, caption=
局部升温工况设计, figureFileSmall=null, figureFileBig=null, tableContent=
| 工况 | 桥面 板升温/℃ | 右侧 腹板升温/℃ | 底板 升温/℃ | 左侧 腹板升温/℃ |
| 工况 1 | 30 | 30 | 0 | 0 |
| 工况 2 | 30 | 30 | 10 | 10 |
| 工况 3 | 30 | 30 | 20 | 20 |
| 工况 4 | 30 | 30 | 30 | 30 |
), ArticleFig(id=1154040209302868759, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=EN, label=Table 5, caption=
Checking of fracture width values, figureFileSmall=null, figureFileBig=null, tableContent=
| 铺设 方案 | 锁定 轨温/℃ | 最大 温降/℃ | 钢轨纵向 正位移/mm | 钢轨纵向 负位移/mm | 断缝值/ mm |
| ① | 19 | 44.2 | 38.74 | -40.76 | 79.50 |
| ② | 19 | 44.2 | 33.55 | -30.21 | 63.76 |
| ③ | 19 | 44.2 | 9.91 | -13.25 | 23.16 |
), ArticleFig(id=1154040209361589019, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149745449738875826, language=CN, label=表 5, caption=
断缝计算, figureFileSmall=null, figureFileBig=null, tableContent=
| 铺设 方案 | 锁定 轨温/℃ | 最大 温降/℃ | 钢轨纵向 正位移/mm | 钢轨纵向 负位移/mm | 断缝值/ mm |
| ① | 19 | 44.2 | 38.74 | -40.76 | 79.50 |
| ② | 19 | 44.2 | 33.55 | -30.21 | 63.76 |
| ③ | 19 | 44.2 | 9.91 | -13.25 | 23.16 |
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