Article(id=1149744594994249826, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149744590036583414, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2024.01.018, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1688918400000, receivedDateStr=2023-07-10, revisedDate=1701360000000, revisedDateStr=2023-12-01, acceptedDate=null, acceptedDateStr=null, onlineDate=1752050072668, onlineDateStr=2025-07-09, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752050072668, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752050072668, creator=13701087609, updateTime=1752050072668, updator=13701087609, issue=Issue{id=1149744590036583414, tenantId=1146029695717560320, journalId=1146123302524792850, year='2024', volume='37', issue='1', pageStart='1', pageEnd='166', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752050071486, creator=13701087609, updateTime=1753780168039, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157001141138575501, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149744590036583414, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157001141138575502, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149744590036583414, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=113, endPage=119, ext={EN=ArticleExt(id=1149744595237519468, articleId=1149744594994249826, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Field Test of Safety, Stability, and Vibration Reduction of Ladder-Sleeper Track in Urban Rapid Rail Transit, columnId=1152669336394183038, journalTitle=Urban Rapid Rail Transit, columnName=Civil Engineering Technology, runingTitle=null, highlight=null, articleAbstract=
This study comprehensively summarizes the testing scheme and results of a laddersleeper ballastless track in urban rapid rail transit for safety, stability, and vibration reduction performance compared with an ordinary ballasted track at a maximum speed of 220 km/h on the National Railway Test Center Circular Line in 2023. The test used eight CRH380AJ comprehensive inspection units, including the safety and stability of the wheelset derailment coefficient, wheel load reduction rate, wheelrail lateral force, vertical and lateral dynamic displacement indicators of the rail and sleeper, vertical and lateral vibration characteristics of the rail, and vibration reduction performance of the roadbed surface at a distance of 3.5 m from the centerline of the line. The test results for these indices were lower than the limits of the corresponding standards and close to those for the existing ballasted track. The test results show that the safety, stability, and wheelrail vibration characteristics of the laddersleeper ballastless track in urban rapid rail transit can satisfy the requirements of the line at a speed of 220 km/h. According to different weighting methods, the average vibration reduction of the laddersleeper ballastless track compared with an ordinary ballasted track in urban rapid rail transit can reach 3.35.1 dB and 4.46.8 dB. The test results provide a reference for urban rapid rail transit and intercity railway track vibration reduction technologies.
, correspAuthors=Qiongyu SHEN, 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=Qiongyu SHEN, Dongdong HAN, Zhensheng DONG, Quanyu YU, Feihu XU), CN=ArticleExt(id=1149744605840720401, articleId=1149744594994249826, tenantId=1146029695717560320, journalId=1146123302524792850, language=CN, title=市域快轨梯形轨枕无砟轨道在线实测及分析, columnId=1152669336603898239, journalTitle=都市快轨交通, columnName=土建技术, runingTitle=null, highlight=null, articleAbstract=
总结分析2023年在国家铁道试验中心环行线完成的最高时速220 km/h条件下,市域快轨梯形轨枕无砟轨道相对于普通有砟轨道的安全性、平稳性及减振效果等测试方案及测试结果。测试列车为8辆编组 CRH380AJ综合检测车,测试指标包括:脱轨系数、轮重减载率、轮轴横向力等安全性及稳定性指标,钢轨及轨枕垂、横向动态位移等变形指标,钢轨垂、横向振动加速度等振动特性指标,以及距线路中心线3.5m处路基表面的减振效果等。测试结果表明:市域快轨梯形轨枕无砟轨道的各项指标均低于相关规范标准限值,且与有砟轨道相近,表明市域快轨梯形轨枕在安全性、稳定性及钢轨振动特性方面可满足220 km/h 速度级应用要求;市域快轨梯形轨枕无砟轨道相对于普通有砟轨道的减振效果按不同计权方式分别为3.3~5.1 dB、4.4~6.8dB。本次测试成果可为市域快轨及城际铁路轨道减振技术应用提供借鉴与参考。
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1 Angel (Shanghai)Technology Co., Ltd. Shanghai 200030), AuthorCompanyExt(id=1154040102457168217, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, companyId=1154040102444585303, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 安境迩(上海)科技有限公司 上海 200030)]), AuthorCompany(id=1154040102520082780, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, xref=2, ext=[AuthorCompanyExt(id=1154040102524277085, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, companyId=1154040102520082780, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 Railway Engineering Inspection Co., Ltd. Beijing 100081), AuthorCompanyExt(id=1154040102532665694, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, companyId=1154040102520082780, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 铁科检测有限公司 北京 100081)])], figs=[ArticleFig(id=1154040108471800241, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Figure 1, caption=
Diagram of ladder-sleeper ballastless track test section on Circular Line, figureFileSmall=m8Dbowzh7silqOoZmEYjrg==, figureFileBig=KyqJtKARlS0aHImSB8FtBQ==, tableContent=null), ArticleFig(id=1154040108517937586, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=图 1, caption=
环行线梯形轨枕无砟轨道试验段位置示意, figureFileSmall=m8Dbowzh7silqOoZmEYjrg==, figureFileBig=KyqJtKARlS0aHImSB8FtBQ==, tableContent=null), ArticleFig(id=1154040108576657843, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Figure 2, caption=
Cross of ordinary ballasted track in the section, figureFileSmall=53KH4RHAeTKmyCpTBHd9ig==, figureFileBig=HXQJ0hw/NHNdwqzQIODwkQ==, tableContent=null), ArticleFig(id=1154040108681515444, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=图 2, caption=
普通有砟轨道断面, figureFileSmall=53KH4RHAeTKmyCpTBHd9ig==, figureFileBig=HXQJ0hw/NHNdwqzQIODwkQ==, tableContent=null), ArticleFig(id=1154040108727652789, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Figure 3, caption=
Structure of ladder-sleeper on Circular Line, figureFileSmall=psfXUdas/MvDhapxmGSB/w==, figureFileBig=OWaKm4U4z2Pw9LeujrhrwQ==, tableContent=null), ArticleFig(id=1154040108773790134, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=图 3, caption=
市域快轨梯形轨枕构造, figureFileSmall=psfXUdas/MvDhapxmGSB/w==, figureFileBig=OWaKm4U4z2Pw9LeujrhrwQ==, tableContent=null), ArticleFig(id=1154040108824121783, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Figure 4, caption=
Cross of ladder-sleeper track in the section, figureFileSmall=5JUcNNbXSvc0K7GDMLZJcQ==, figureFileBig=4ECRJniCCOKuVh3ttC/7Lw==, tableContent=null), ArticleFig(id=1154040108874453432, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=图 4, caption=
环行线市域快轨梯形轨枕无砟轨道断面, figureFileSmall=5JUcNNbXSvc0K7GDMLZJcQ==, figureFileBig=4ECRJniCCOKuVh3ttC/7Lw==, tableContent=null), ArticleFig(id=1154040108920590777, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Figure 5, caption=
Cross of ladder-sleeper track in the section, figureFileSmall=K641RtO0QmY73ne9AUOCYw==, figureFileBig=ZlWFUcldavssr5VRhw4iig==, tableContent=null), ArticleFig(id=1154040108979311034, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=图 5, caption=
梯形轨枕枕中、枕端断面位置, figureFileSmall=K641RtO0QmY73ne9AUOCYw==, figureFileBig=ZlWFUcldavssr5VRhw4iig==, tableContent=null), ArticleFig(id=1154040109025448379, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Figure 6, caption=
Site photos of ladder-sleeper ballastless track and ordinary ballasted track, figureFileSmall=R9Q+DQ9UX1lbzfbnudFPUg==, figureFileBig=wSUOtcPyklsXvMo0vC+JQA==, tableContent=null), ArticleFig(id=1154040109075780028, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=图 6, caption=
梯形轨枕无砟轨道与普通有砟轨道现场, figureFileSmall=R9Q+DQ9UX1lbzfbnudFPUg==, figureFileBig=wSUOtcPyklsXvMo0vC+JQA==, tableContent=null), ArticleFig(id=1154040109134500285, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Figure 7, caption=
Comparison of vertical vibration acceleration of ladder-sleeper track and ballast track at ${3.5}\mathrm{\;m}$, figureFileSmall=hjyYX/FpiYrGk+k2a7I9vQ==, figureFileBig=gCEsoK3JzXwOaoSnnPQv1w==, tableContent=null), ArticleFig(id=1154040109184831934, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=图 7, caption=
梯形轨枕无砟轨道和有砟轨道 ${3.5}\mathrm{\;m}$ 处路基垂向加速度频谱, figureFileSmall=hjyYX/FpiYrGk+k2a7I9vQ==, figureFileBig=gCEsoK3JzXwOaoSnnPQv1w==, tableContent=null), ArticleFig(id=1154040109235163583, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Table 1, caption=
Comparison of ladder-sleeper track in urban rapid rail transit and subway, figureFileSmall=null, figureFileBig=null, tableContent=
| 系统 制式 | 扣件 类型 | 单侧纵梁宽/ mm | 纵染厚1 mm | 单块 枕重/t | 减振垫刚度/ (kN/mm) | 过渡段 刚度 |
| 地铁 | 地铁 扣件 | 580 | 170/185 | 3.5/3.8 | 15/7.5 | 1~2 级 |
| 市域 快轨 | WJ-8A 扣件 | 680 | 220 | 4.5 | 18/9 | 3 级 |
), ArticleFig(id=1154040109289689536, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=表 1, caption=
市域快轨梯形轨枕与地铁梯形轨枕的主要对比, figureFileSmall=null, figureFileBig=null, tableContent=
| 系统 制式 | 扣件 类型 | 单侧纵梁宽/ mm | 纵染厚1 mm | 单块 枕重/t | 减振垫刚度/ (kN/mm) | 过渡段 刚度 |
| 地铁 | 地铁 扣件 | 580 | 170/185 | 3.5/3.8 | 15/7.5 | 1~2 级 |
| 市域 快轨 | WJ-8A 扣件 | 680 | 220 | 4.5 | 18/9 | 3 级 |
), ArticleFig(id=1154040109369381315, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Table 2, caption=
Test list, evaluation standards, and limit values, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试项目 | 限值 | 参考规范 |
| 安全性 及稳定性 | 脱轨系数 | 0.8 | GB 5599-2019 TB 10461—2019 |
| 轮重减载率 | 0.65/0.8 |
| 轮轴横向力/kN | 56.7 |
| 轨道结构 位移/mm | 垂向 位移 | 钢轨 | 有砟 2.5 无砟 2.0/4.0 | T/SHJX 0015—2020 T/SHJX045—2022 |
| 梯枕 | 3.0 |
| 横向 位移 | 钢轨 | 2.0 | TB 10461—2019 |
| 梯枕 | 2.0 |
| 钢轨振动加 速度/(m/s ${}^{2}$ ) | 垂向 | 有砟 3000 | TB 10461—2019 |
| 横向 | 无砟 5000 |
| 3.5 m 路基减 振效果/dB | $\left( {1 \sim {80}\mathrm{\;{Hz}}}\right) {\Delta V}{L}_{\mathrm{{zmax}}}$ | - | GB 10071—88 |
| $\left( {1 \sim {200}\mathrm{\;{Hz}}}\right) {\Delta V}{L}_{\mathrm{{za}}}$ | - | CJJ/T 191—2012 |
), ArticleFig(id=1154040109453267399, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=表 2, caption=
测试项目、参考规范及限值, figureFileSmall=null, figureFileBig=null, tableContent=
| 测试项目 | 限值 | 参考规范 |
| 安全性 及稳定性 | 脱轨系数 | 0.8 | GB 5599-2019 TB 10461—2019 |
| 轮重减载率 | 0.65/0.8 |
| 轮轴横向力/kN | 56.7 |
| 轨道结构 位移/mm | 垂向 位移 | 钢轨 | 有砟 2.5 无砟 2.0/4.0 | T/SHJX 0015—2020 T/SHJX045—2022 |
| 梯枕 | 3.0 |
| 横向 位移 | 钢轨 | 2.0 | TB 10461—2019 |
| 梯枕 | 2.0 |
| 钢轨振动加 速度/(m/s ${}^{2}$ ) | 垂向 | 有砟 3000 | TB 10461—2019 |
| 横向 | 无砟 5000 |
| 3.5 m 路基减 振效果/dB | $\left( {1 \sim {80}\mathrm{\;{Hz}}}\right) {\Delta V}{L}_{\mathrm{{zmax}}}$ | - | GB 10071—88 |
| $\left( {1 \sim {200}\mathrm{\;{Hz}}}\right) {\Delta V}{L}_{\mathrm{{za}}}$ | - | CJJ/T 191—2012 |
), ArticleFig(id=1154040109503599049, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Table 3, caption=
Maximum safety index value in each section, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度级/ (km/h) | 脱轨系数 | 轮重 | 轮轴 |
| 外轨 | 内轨 | 减载率 | 横向力/kN |
| 梯形 | 有砟 | 梯形 | 有砟 | 梯形 | 有砟 | 梯形 | 有砟 |
| 轨枕 | 轨道 | 轨枕 | 轨道 | 轨枕 | 轨道 | 轨枕 | 轨道 |
| 120 | 0.04 | 0.03 | 0.28 | 0.13 | 0.03 | 0.06 | -22.24 | -10.12 |
| 140 | 0.05 | 0.05 | 0.18 | 0.10 | 0.16 | 0.01 | -8.37 | -5.09 |
| 160 | 0.08 | 0.12 | 0.19 | 0.10 | 0.22 | 0.13 | -6.43 | 0.46 |
| 180 | 0.13 | 0.16 | 0.17 | 0.09 | 0.28 | 0.25 | 2.96 | 5.42 |
| 200 | 0.13 | 0.18 | 0.06 | 0.03 | 0.32 | 0.32 | 9.50 | 11.27 |
| 220 | 0.20 | 0.26 | 0.09 | 0.10 | 0.35 | 0.51 | 14.99 | 19.57 |
), ArticleFig(id=1154040109574902219, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=表 3, caption=
各测试断面安全性指标最大值, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度级/ (km/h) | 脱轨系数 | 轮重 | 轮轴 |
| 外轨 | 内轨 | 减载率 | 横向力/kN |
| 梯形 | 有砟 | 梯形 | 有砟 | 梯形 | 有砟 | 梯形 | 有砟 |
| 轨枕 | 轨道 | 轨枕 | 轨道 | 轨枕 | 轨道 | 轨枕 | 轨道 |
| 120 | 0.04 | 0.03 | 0.28 | 0.13 | 0.03 | 0.06 | -22.24 | -10.12 |
| 140 | 0.05 | 0.05 | 0.18 | 0.10 | 0.16 | 0.01 | -8.37 | -5.09 |
| 160 | 0.08 | 0.12 | 0.19 | 0.10 | 0.22 | 0.13 | -6.43 | 0.46 |
| 180 | 0.13 | 0.16 | 0.17 | 0.09 | 0.28 | 0.25 | 2.96 | 5.42 |
| 200 | 0.13 | 0.18 | 0.06 | 0.03 | 0.32 | 0.32 | 9.50 | 11.27 |
| 220 | 0.20 | 0.26 | 0.09 | 0.10 | 0.35 | 0.51 | 14.99 | 19.57 |
), ArticleFig(id=1154040109625233870, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Table 4, caption=
Maximum rail displacement value in each section mm, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度级/ (km/h) | 垂向位移 | 横向位移 | 轨距扩大量 |
| 外轨 | 内轨 | 内外轨平均 | 外轨 | 内轨 |
| 梯枕 | 有砟 | 梯枕 | 有砟 | 梯枕 | 有砟 | 梯枕 | 有砟 | 梯枕 | 有砟 | 梯枕 | 有砟 |
| 枕中 | 枕端 | 轨道 | 枕中 | 枕端 | 轨道 | 枕中 | 枕端 | 轨道 | 枕中 | 枕端 | 轨道 | 枕中 | 枕端 | 轨道 | 枕中 | 枕端 | 轨道 |
| 120 | 1.78 | 1.41 | 0.41 | 2.31 | 2.52 | 0.64 | 2.05 | 1.96 | 0.53 | 0.73 | 0.57 | 0.38 | 0.94 | 0.82 | 0.61 | 0.83 | 0.99 | 0.41 |
| 140 | 1.92 | 1.43 | 0.45 | 2.22 | 2.40 | 0.57 | 2.07 | 1.92 | 0.51 | 0.67 | - | 0.32 | 0.78 | - | 0.51 | 0.62 | - | 0.37 |
| 160 | 1.98 | 1.61 | 0.54 | 2.13 | 2.34 | 0.43 | 2.06 | 1.98 | 0.49 | 0.62 | 0.56 | 0.29 | 0.69 | 0.57 | 0.38 | 0.50 | 0.68 | 0.36 |
| 180 | 2.31 | 1.72 | 0.63 | 2.00 | 2.20 | 0.35 | 2.16 | 1.96 | 0.49 | 0.59 | 0.56 | 0.42 | 0.64 | 0.62 | 0.25 | 0.45 | 0.75 | 0.36 |
| 200 | 2.44 | 2.05 | 0.68 | 1.93 | 2.24 | 0.34 | 2.19 | 2.15 | 0.51 | 0.56 | 0.58 | 0.51 | 0.67 | 0.65 | 0.25 | 0.47 | 0.79 | 0.37 |
| 220 | 2.45 | 2.06 | 0.82 | 1.84 | 2.24 | 0.30 | 2.15 | 2.15 | 0.56 | 0.52 | 0.61 | 0.70 | 0.71 | 0.67 | 0.37 | 0.49 | 0.84 | 0.48 |
), ArticleFig(id=1154040109709119951, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=表 4, caption=
各测试断面钢轨位移最大值, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度级/ (km/h) | 垂向位移 | 横向位移 | 轨距扩大量 |
| 外轨 | 内轨 | 内外轨平均 | 外轨 | 内轨 |
| 梯枕 | 有砟 | 梯枕 | 有砟 | 梯枕 | 有砟 | 梯枕 | 有砟 | 梯枕 | 有砟 | 梯枕 | 有砟 |
| 枕中 | 枕端 | 轨道 | 枕中 | 枕端 | 轨道 | 枕中 | 枕端 | 轨道 | 枕中 | 枕端 | 轨道 | 枕中 | 枕端 | 轨道 | 枕中 | 枕端 | 轨道 |
| 120 | 1.78 | 1.41 | 0.41 | 2.31 | 2.52 | 0.64 | 2.05 | 1.96 | 0.53 | 0.73 | 0.57 | 0.38 | 0.94 | 0.82 | 0.61 | 0.83 | 0.99 | 0.41 |
| 140 | 1.92 | 1.43 | 0.45 | 2.22 | 2.40 | 0.57 | 2.07 | 1.92 | 0.51 | 0.67 | - | 0.32 | 0.78 | - | 0.51 | 0.62 | - | 0.37 |
| 160 | 1.98 | 1.61 | 0.54 | 2.13 | 2.34 | 0.43 | 2.06 | 1.98 | 0.49 | 0.62 | 0.56 | 0.29 | 0.69 | 0.57 | 0.38 | 0.50 | 0.68 | 0.36 |
| 180 | 2.31 | 1.72 | 0.63 | 2.00 | 2.20 | 0.35 | 2.16 | 1.96 | 0.49 | 0.59 | 0.56 | 0.42 | 0.64 | 0.62 | 0.25 | 0.45 | 0.75 | 0.36 |
| 200 | 2.44 | 2.05 | 0.68 | 1.93 | 2.24 | 0.34 | 2.19 | 2.15 | 0.51 | 0.56 | 0.58 | 0.51 | 0.67 | 0.65 | 0.25 | 0.47 | 0.79 | 0.37 |
| 220 | 2.45 | 2.06 | 0.82 | 1.84 | 2.24 | 0.30 | 2.15 | 2.15 | 0.56 | 0.52 | 0.61 | 0.70 | 0.71 | 0.67 | 0.37 | 0.49 | 0.84 | 0.48 |
), ArticleFig(id=1154040109767840208, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Table 5, caption=
Maximum displacement value in ladder-sleeper, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度级/ (km/h) | 垂向位移/mm | 横向位移/mm |
| 外侧 | 内侧 |
| 枕中 | 枕端 | 枕中 | 枕端 | 枕中 | 枕端 |
| 120 | 0.80 | 1.16 | 1.38 | 1.06 | 0.44 | 0.20 |
| 140 | 0.90 | 1.19 | 1.37 | 1.05 | 0.41 | 0.20 |
| 160 | 1.02 | 1.39 | 0.99 | 0.83 | 0.41 | 0.23 |
| 180 | 1.19 | 1.59 | 0.98 | 0.76 | 0.39 | 0.22 |
| 200 | 1.32 | 1.67 | 0.76 | 0.69 | 0.38 | 0.22 |
| 220 | 1.35 | 1.66 | 0.71 | 0.67 | 0.37 | 0.22 |
), ArticleFig(id=1154040109839143377, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=表 5, caption=
梯形轨枕位移最大值, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度级/ (km/h) | 垂向位移/mm | 横向位移/mm |
| 外侧 | 内侧 |
| 枕中 | 枕端 | 枕中 | 枕端 | 枕中 | 枕端 |
| 120 | 0.80 | 1.16 | 1.38 | 1.06 | 0.44 | 0.20 |
| 140 | 0.90 | 1.19 | 1.37 | 1.05 | 0.41 | 0.20 |
| 160 | 1.02 | 1.39 | 0.99 | 0.83 | 0.41 | 0.23 |
| 180 | 1.19 | 1.59 | 0.98 | 0.76 | 0.39 | 0.22 |
| 200 | 1.32 | 1.67 | 0.76 | 0.69 | 0.38 | 0.22 |
| 220 | 1.35 | 1.66 | 0.71 | 0.67 | 0.37 | 0.22 |
), ArticleFig(id=1154040109902057938, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Table 6, caption=
Maximum rail acceleration value in each section $\mathrm{m}/{\mathrm{s}}^{2}$, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度级/ (km/h) | 垂向加速度 | 横向加速度 |
| 内轨 | 外轨 | 内轨 | 外轨 |
| 梯枕 | 有砟轨道 | 梯枕 | 有砟轨道 | 梯枕 | 有砟轨道 | 梯枕 | 有砟轨道 |
| 枕中 | 枕端 | 枕中 | 枕端 | 枕中 | 枕端 | 枕中 | 枕端 |
| 120 | 67.9 | 128.2 | 222.6 | 103.6 | 195.9 | 292.9 | 236.9 | 73.5 | 133.7 | 200.4 | 144.5 | 165.0 |
| 140 | 93.1 | 154.8 | 430.5 | 116.5 | 214.7 | 182.5 | 224.6 | 77.3 | 129.8 | 258.9 | 248.3 | 167.8 |
| 160 | 126.2 | 105.3 | 466.2 | 120.4 | 265.3 | 270.8 | 186.6 | 85.6 | 138.8 | 394.8 | 329.4 | 140.5 |
| 180 | 213.3 | 119.0 | 463.3 | 140.0 | 386.6 | 300.7 | 268.2 | 125.9 | 165.4 | 363.9 | 388.5 | 147.9 |
| 200 | 194.2 | 159.4 | 589.5 | 107.3 | 225.0 | 376.0 | 230.6 | 246.9 | 183.3 | 579.0 | 612.7 | 187.1 |
| 220 | 179.6 | 106.5 | 786.1 | 149.6 | 322.3 | 270.3 | 348.9 | 236.0 | 213.4 | 611.0 | 567.1 | 147.0 |
), ArticleFig(id=1154040109973361107, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=表 6, caption=
各测试断面钢轨振动加速度最大值, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度级/ (km/h) | 垂向加速度 | 横向加速度 |
| 内轨 | 外轨 | 内轨 | 外轨 |
| 梯枕 | 有砟轨道 | 梯枕 | 有砟轨道 | 梯枕 | 有砟轨道 | 梯枕 | 有砟轨道 |
| 枕中 | 枕端 | 枕中 | 枕端 | 枕中 | 枕端 | 枕中 | 枕端 |
| 120 | 67.9 | 128.2 | 222.6 | 103.6 | 195.9 | 292.9 | 236.9 | 73.5 | 133.7 | 200.4 | 144.5 | 165.0 |
| 140 | 93.1 | 154.8 | 430.5 | 116.5 | 214.7 | 182.5 | 224.6 | 77.3 | 129.8 | 258.9 | 248.3 | 167.8 |
| 160 | 126.2 | 105.3 | 466.2 | 120.4 | 265.3 | 270.8 | 186.6 | 85.6 | 138.8 | 394.8 | 329.4 | 140.5 |
| 180 | 213.3 | 119.0 | 463.3 | 140.0 | 386.6 | 300.7 | 268.2 | 125.9 | 165.4 | 363.9 | 388.5 | 147.9 |
| 200 | 194.2 | 159.4 | 589.5 | 107.3 | 225.0 | 376.0 | 230.6 | 246.9 | 183.3 | 579.0 | 612.7 | 187.1 |
| 220 | 179.6 | 106.5 | 786.1 | 149.6 | 322.3 | 270.3 | 348.9 | 236.0 | 213.4 | 611.0 | 567.1 | 147.0 |
), ArticleFig(id=1154040110048858580, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=EN, label=Table 7, caption=
Vibration reduction of ladder-sleeper track and ballast track dB, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度级/ (km/h) | 梯形轨枕 | 有砟轨道 | 减振效果(插入损失) |
| 1~80 Hz VLzmax | 1~200 Hz VLza | 1~80 Hz VLzmax | 1~200 Hz VLza | 1~80 Hz ΔVLzmax | 1~200 Hz ΔVLza |
| 120 | 86.7 | 86.3 | 90.8 | 93.1 | 4.1 | 6.8 |
| 140 | 87.8 | 88.0 | 91.7 | 93.2 | 3.9 | 5.2 |
| 160 | 89.6 | 90.8 | 93.5 | 95.2 | 3.9 | 4.4 |
| 180 | 89.3 | 91.1 | 94.4 | 96.3 | 5.1 | 5.2 |
| 200 | 91.6 | 92.9 | 95.1 | 98.1 | 3.5 | 5.2 |
| 220 | 91.8 | 92.8 | 95.1 | 98.1 | 3.3 | 5.3 |
), ArticleFig(id=1154040110132744663, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744594994249826, language=CN, label=表 7, caption=
梯形轨枕无砟轨道相对比有砟轨道的减振效果, figureFileSmall=null, figureFileBig=null, tableContent=
| 速度级/ (km/h) | 梯形轨枕 | 有砟轨道 | 减振效果(插入损失) |
| 1~80 Hz VLzmax | 1~200 Hz VLza | 1~80 Hz VLzmax | 1~200 Hz VLza | 1~80 Hz ΔVLzmax | 1~200 Hz ΔVLza |
| 120 | 86.7 | 86.3 | 90.8 | 93.1 | 4.1 | 6.8 |
| 140 | 87.8 | 88.0 | 91.7 | 93.2 | 3.9 | 5.2 |
| 160 | 89.6 | 90.8 | 93.5 | 95.2 | 3.9 | 4.4 |
| 180 | 89.3 | 91.1 | 94.4 | 96.3 | 5.1 | 5.2 |
| 200 | 91.6 | 92.9 | 95.1 | 98.1 | 3.5 | 5.2 |
| 220 | 91.8 | 92.8 | 95.1 | 98.1 | 3.3 | 5.3 |
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