Article(id=1149729535618368162, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729524688007450, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2025.02.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1721664000000, receivedDateStr=2024-07-23, revisedDate=1731168000000, revisedDateStr=2024-11-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1752046482233, onlineDateStr=2025-07-09, pubDate=1743436800000, pubDateStr=2025-04-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752046482233, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752046482233, creator=13701087609, updateTime=1752046482233, 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=75, endPage=81, ext={EN=ArticleExt(id=1149729535903580852, articleId=1149729535618368162, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Application and Performance Evaluation of Embedded Rail Technology in Metro Line Renovation: A Case Study of Xiaogang Station, columnId=1152669336394183038, journalTitle=Urban Rapid Rail Transit, columnName=Civil Engineering Technology, runingTitle=null, highlight=null, articleAbstract=
This paper presents a comprehensive assessment of embedded rail technology implementation in existing metro line renovation through the case study of Xiaogang Station. The research examines the technical challenges, innovative solutions, and construction methodology employed in this pioneering project. The construction background, distinctive features, construction procedures, and solutions to the construction challenges encountered are introduced in detail. By comparing the preand postrenovation vibration, noise and Track Quality Index (TQI) on track, along with the monitoring of the postrenovation track condition, this study demonstrates the effectiveness of embedded rail track renovation in enhancing the performance of existing lines. The results indicate that this technology can significantly improve the vibration and noise reduction performance of the line while ensuring the continuity and safety of existing line operations.
, correspAuthors=Zhenyu ZHOU, 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=Zhenyu ZHOU), CN=ArticleExt(id=1149729559181968143, articleId=1149729535618368162, tenantId=1146029695717560320, journalId=1146123302524792850, language=CN, title=嵌入式轨道在既有线改造中的首次应用及技术研究, columnId=1152669336603898239, journalTitle=都市快轨交通, columnName=土建技术, runingTitle=null, highlight=null, articleAbstract=
为评估嵌入式轨道技术在既有地铁线路改造中的应用效果,以国内首次进行的萧岗站嵌入式轨道改造项目为例,详细介绍该项目的施工背景、施工特点及技术方案,并针对遇到的施工挑战提出相应的解决方案。通过对比改造前后的噪声及振动监测数值、轨道质量指数(TQI),以及监测改造后轨道的工作状态,论证嵌入式轨道改造在提升既有线路性能方面的有效性。改造结果表明:此项技术既能保障既有线运营的持续性及安全性,又明显提升线路的减振降噪性能。
, correspAuthors=周振宇, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=ytUeeNiHbycb7H/OJZl+GA==, magXml=Kk0bBT7Vkq/bfSeM42L8Cw==, pdfUrl=null, pdf=xGp2odYX7roki4RKMxF+DQ==, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=pNa14pFlpdAEN4KqM4SsUw==, mapNumber=null, authorCompany=null, fund=null, authors=
, authorsList=周振宇)}, authors=[Author(id=1154050936549925422, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zhouzhenyu@gzmtr.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1154050936633811505, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, authorId=1154050936549925422, language=EN, stringName=Zhenyu ZHOU, firstName=Zhenyu, middleName=null, lastName=ZHOU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Guangzhou Metro Group Co., Ltd. Guangzhou 510030, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1154050936738669107, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, authorId=1154050936549925422, language=CN, stringName=周振宇, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=广州地铁集团有限公司 广州 510030, bio={"content":"
周振宇,男,硕士,高级工程师,主要从事城市轨道交通运营管理工作,zhouzhenyu@gzmtr.com
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周振宇,男,硕士,高级工程师,主要从事城市轨道交通运营管理工作,zhouzhenyu@gzmtr.com
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2021. 12): 19-24., articleTitle=Application of embedded continuous support track system, refAbstract=null)], funds=[Fund(id=1154050943390835500, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, awardId=2016GZ0332, language=CN, fundingSource=四川省科技支撑计划项目(2016GZ0332), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1154050936470233642, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, xref=null, ext=[AuthorCompanyExt(id=1154050936482816555, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, companyId=1154050936470233642, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Guangzhou Metro Group Co., Ltd. Guangzhou 510030), AuthorCompanyExt(id=1154050936491205164, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, companyId=1154050936470233642, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=广州地铁集团有限公司 广州 510030)])], figs=[ArticleFig(id=1154050941402735309, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=EN, label=Figure 1, caption=
Layout plan of the embedded rail track renovation section, figureFileSmall=8SPQtb8slSJvhADTMbgNcw==, figureFileBig=9MxqcvHFoZcD4sGH1HkbNg==, tableContent=null), ArticleFig(id=1154050941474038480, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=CN, label=图1, caption=
嵌入式轨道改造区段平面, figureFileSmall=8SPQtb8slSJvhADTMbgNcw==, figureFileBig=9MxqcvHFoZcD4sGH1HkbNg==, tableContent=null), ArticleFig(id=1154050941553730259, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=EN, label=Figure 2, caption=
Structural composition diagram of the embedded track renovation project at a station, figureFileSmall=e0t/Q/tJkoy4O/rXHW3OhA==, figureFileBig=HLss+gOC5CQxjaqR3W6GUQ==, tableContent=null), ArticleFig(id=1154050941612450518, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=CN, label=图2, caption=
某站改造项目嵌入式轨道结构组成, figureFileSmall=e0t/Q/tJkoy4O/rXHW3OhA==, figureFileBig=HLss+gOC5CQxjaqR3W6GUQ==, tableContent=null), ArticleFig(id=1154050941683753691, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=EN, label=Figure 3, caption=
Comparative photos of the track before and after renovation, figureFileSmall=h6sLvPVc86TJaoMdVa2CWQ==, figureFileBig=0K5ZR0bg5NQdyhrQLkCmbQ==, tableContent=null), ArticleFig(id=1154050941750862561, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=CN, label=图3, caption=
轨道改造前后, figureFileSmall=h6sLvPVc86TJaoMdVa2CWQ==, figureFileBig=0K5ZR0bg5NQdyhrQLkCmbQ==, tableContent=null), ArticleFig(id=1154050941826360038, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=EN, label=Figure 4, caption=
Key on-site construction workflow, figureFileSmall=iOdd3y27Btbqr/kZPp0+fg==, figureFileBig=Iu1gZbQc9kxx9LQA6TuGMw==, tableContent=null), ArticleFig(id=1154050941922829034, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=CN, label=图4, caption=
现场主要工艺流程, figureFileSmall=iOdd3y27Btbqr/kZPp0+fg==, figureFileBig=Iu1gZbQc9kxx9LQA6TuGMw==, tableContent=null), ArticleFig(id=1154050942023492335, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=EN, label=Figure 5, caption=
Construction workflow during track possession window, figureFileSmall=EA2LUJ3SoSTeDuvAHBOEnA==, figureFileBig=QDdhk5SPUDOdaG7XDBLEIg==, tableContent=null), ArticleFig(id=1154050942082212594, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=CN, label=图5, caption=
天窗点施工流程, figureFileSmall=EA2LUJ3SoSTeDuvAHBOEnA==, figureFileBig=QDdhk5SPUDOdaG7XDBLEIg==, tableContent=null), ArticleFig(id=1154050942149321460, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=EN, label=Figure 6, caption=
Gaps between adjacent steel grooves, figureFileSmall=UYecqwEP3fB3G+9Tkv2IvA==, figureFileBig=qLhKqTvUTjNCgyzGyRSTJw==, tableContent=null), ArticleFig(id=1154050942224818935, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=CN, label=图6, caption=
每组钢槽间预留缝隙, figureFileSmall=UYecqwEP3fB3G+9Tkv2IvA==, figureFileBig=qLhKqTvUTjNCgyzGyRSTJw==, tableContent=null), ArticleFig(id=1154050942308705018, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=EN, label=Figure 7, caption=
Daytime measurement results of communities $\mathrm{A}$ and $\mathrm{B}$, figureFileSmall=GHhN2zbp9gveWcFRZl3KZg==, figureFileBig=iYDY85XAnU3fGgdH67uARQ==, tableContent=null), ArticleFig(id=1154050942371619581, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=CN, label=图7, caption=
A、B 小区昼间测量结果, figureFileSmall=GHhN2zbp9gveWcFRZl3KZg==, figureFileBig=iYDY85XAnU3fGgdH67uARQ==, tableContent=null), ArticleFig(id=1154050942438728449, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=EN, label=Figure 8, caption=
Nighttime measurement results of communities $\mathrm{A}$ and $\mathrm{B}$, figureFileSmall=CgwrrCxSsPh62saRUlxrEg==, figureFileBig=7fZjHOxMwGNI6kEwlhbCUg==, tableContent=null), ArticleFig(id=1154050942493254405, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=CN, label=图8, caption=
A、B 小区夜间测量结果, figureFileSmall=CgwrrCxSsPh62saRUlxrEg==, figureFileBig=7fZjHOxMwGNI6kEwlhbCUg==, tableContent=null), ArticleFig(id=1154050942564557577, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=EN, label=Figure 9, caption=
Light band distribution on rail surface, figureFileSmall=0GHxUrKSiqJAlY9gUgGxgw==, figureFileBig=WvE9Pxz8XZaskrNy8lOw6A==, tableContent=null), ArticleFig(id=1154050942631666446, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=CN, label=图9, caption=
钢轨顶面光带分布, figureFileSmall=0GHxUrKSiqJAlY9gUgGxgw==, figureFileBig=WvE9Pxz8XZaskrNy8lOw6A==, tableContent=null), ArticleFig(id=1154050942702969617, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=EN, label=Figure 10, caption=
Track quality index (TQI) trend, figureFileSmall=sWWvWypcEMbjvDx5JvkpQA==, figureFileBig=q1sKqjUXh6smymOmWGuwZA==, tableContent=null), ArticleFig(id=1154050942765884180, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=CN, label=图10, caption=
轨道质量指数(TQI)变化, figureFileSmall=sWWvWypcEMbjvDx5JvkpQA==, figureFileBig=q1sKqjUXh6smymOmWGuwZA==, tableContent=null), ArticleFig(id=1154050942820410133, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=EN, label=Table 1, caption=
Vibration before and after renovation $\mathrm{{dB}}$, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | 速度/ (km/h) | 阶段 | 钢轨 | 道床 | 隧道壁 | 隧道壁 减振 | 隧道壁减 振平均值 |
| 站台 | 左线 | 30 | 前 | - | 81.50 | 66.10 | 18.33 | 17.16 |
| 后 | 102.04 | 60.30 | 47.77 |
| 45 | 前 | - | 80.70 | 64.40 | 16.44 |
| 后 | 105.38 | 62.76 | 47.96 |
| 正常 速度 | 前 | - | 81.40 | 65.70 | 16.70 |
| 后 | 107.99 | 65.47 | 49.00 |
| 右线 | 30 | 前 | 100.37 | 85.62 | 68.54 | 11.06 | 17.68 |
| 后 | 109.73 | 78.75 | 57.48 |
| 45 | 前 | 106.14 | 97.14 | 76.70 | 19.26 |
| 后 | 110.13 | 80.39 | 57.44 |
| 正常 速度 | 前 | 106.35 | 97.70 | 78.24 | 22.73 |
| 后 | 108.40 | 77.58 | 55.50 |
| 区间 | 左线 | 30 | 前 | - | 92.70 | 76.90 | 19.60 | 19.75 |
| 后 | 107.97 | 62.78 | 57.30 |
| 45 | 前 | - | 94.70 | 78.90 | 21.09 |
| 后 | 108.50 | 62.75 | 57.81 |
| 正常 速度 | 前 | - | 94.20 | 78.70 | 18.57 |
| 后 | 112.63 | 65.28 | 60.13 |
| 右线 | 30 | 前 | 100.70 | 84.61 | 70.51 | 7.18 | 8.30 |
| 后 | 111.47 | 77.76 | 63.33 |
| 45 | 前 | 101.69 | 83.51 | 72.04 | 7.61 |
| 后 | 112.26 | 78.25 | 64.44 |
| 正常 速度 | 前 | 102.14 | 84.97 | 74.31 | 10.10 |
| 后 | 110.92 | 77.52 | 64.22 |
), ArticleFig(id=1154050942937850648, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=CN, label=表1, caption=
改造前后振动对比, figureFileSmall=null, figureFileBig=null, tableContent=
| 位置 | 速度/ (km/h) | 阶段 | 钢轨 | 道床 | 隧道壁 | 隧道壁 减振 | 隧道壁减 振平均值 |
| 站台 | 左线 | 30 | 前 | - | 81.50 | 66.10 | 18.33 | 17.16 |
| 后 | 102.04 | 60.30 | 47.77 |
| 45 | 前 | - | 80.70 | 64.40 | 16.44 |
| 后 | 105.38 | 62.76 | 47.96 |
| 正常 速度 | 前 | - | 81.40 | 65.70 | 16.70 |
| 后 | 107.99 | 65.47 | 49.00 |
| 右线 | 30 | 前 | 100.37 | 85.62 | 68.54 | 11.06 | 17.68 |
| 后 | 109.73 | 78.75 | 57.48 |
| 45 | 前 | 106.14 | 97.14 | 76.70 | 19.26 |
| 后 | 110.13 | 80.39 | 57.44 |
| 正常 速度 | 前 | 106.35 | 97.70 | 78.24 | 22.73 |
| 后 | 108.40 | 77.58 | 55.50 |
| 区间 | 左线 | 30 | 前 | - | 92.70 | 76.90 | 19.60 | 19.75 |
| 后 | 107.97 | 62.78 | 57.30 |
| 45 | 前 | - | 94.70 | 78.90 | 21.09 |
| 后 | 108.50 | 62.75 | 57.81 |
| 正常 速度 | 前 | - | 94.20 | 78.70 | 18.57 |
| 后 | 112.63 | 65.28 | 60.13 |
| 右线 | 30 | 前 | 100.70 | 84.61 | 70.51 | 7.18 | 8.30 |
| 后 | 111.47 | 77.76 | 63.33 |
| 45 | 前 | 101.69 | 83.51 | 72.04 | 7.61 |
| 后 | 112.26 | 78.25 | 64.44 |
| 正常 速度 | 前 | 102.14 | 84.97 | 74.31 | 10.10 |
| 后 | 110.92 | 77.52 | 64.22 |
), ArticleFig(id=1154050943013348123, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=EN, label=Table 2, caption=
Daytime equivalent noise level (Leq) of secondary structures before and after renovation $\mathrm{{dB}}\left( \mathrm{A}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 房间 | 工况 | 改造前 | 改造后 | 客厅 插入 | 卧室 |
| 客厅 | 卧室 | 客厅 | 卧室 | 插入 |
| (16~200Hz) | (16~200Hz) | (16~200Hz) | (16~200Hz) | 损失 | 损失 |
| 0/1 类限值 | 38 | 38 | 38 | 38 | - | - |
| B 小区 5 层 (对应 右线) | 背景 | 27.6 | 29 | 25.51 | 22.82 | - | - |
| ${30}\mathrm{\;{km}}/\mathrm{h}$ | 28.1 | 30.2 | 27.50 | 29.84 | 0.60 | 0.36 |
| ${45}\mathrm{\;{km}}/\mathrm{h}$ | 31.9 | 35.3 | 27.37 | 28.74 | 4.53 | 6.56 |
| 正常车速 | 32.2 | 36.1 | 27.57 | 25.65 | 4.63 | 10.45 |
), ArticleFig(id=1154050943067874078, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=CN, label=表2, caption=
改造前后二次结构昼间噪声等效声级 Leq, figureFileSmall=null, figureFileBig=null, tableContent=
| 房间 | 工况 | 改造前 | 改造后 | 客厅 插入 | 卧室 |
| 客厅 | 卧室 | 客厅 | 卧室 | 插入 |
| (16~200Hz) | (16~200Hz) | (16~200Hz) | (16~200Hz) | 损失 | 损失 |
| 0/1 类限值 | 38 | 38 | 38 | 38 | - | - |
| B 小区 5 层 (对应 右线) | 背景 | 27.6 | 29 | 25.51 | 22.82 | - | - |
| ${30}\mathrm{\;{km}}/\mathrm{h}$ | 28.1 | 30.2 | 27.50 | 29.84 | 0.60 | 0.36 |
| ${45}\mathrm{\;{km}}/\mathrm{h}$ | 31.9 | 35.3 | 27.37 | 28.74 | 4.53 | 6.56 |
| 正常车速 | 32.2 | 36.1 | 27.57 | 25.65 | 4.63 | 10.45 |
), ArticleFig(id=1154050943143371553, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=EN, label=Table 3, caption=
Nighttime equivalent noise level (Leq) of secondary structures before and after renovation $\mathrm{{dB}}\left( \mathrm{A}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 房间 | 工况 | 改造前 | 改造后 | 客厅 插入 损失 | 卧室 插入 损失 |
| 客厅 | 卧室 | 客厅 | 卧室 |
| (16~ | (16~ | (16~ 200 | (16~ |
| 0/1 类限值 | 35 | 35 | 35 | 35 | - | - |
| A 小区 12 层 (对应 左线) | 背景噪声 | 28.28 | 28.3 | 31.94 | 30.24 | - | - |
| ${30}\mathrm{\;{km}}/\mathrm{h}$ | 32.54 | 32.78 | 31.66 | 31.17 | 0.88 | 1.61 |
| ${45}\mathrm{\;{km}}/\mathrm{h}$ | 33.88 | 32.8 | 33.38 | 31.94 | 0.50 | 0.86 |
| 正常车速 | 34.59 | 33.03 | 33.90 | 31.98 | 0.69 | 1.05 |
| B 小区 5 层 (对应 右线) | 背景 | 25.22 | 29.48 | 22.52 | 19.89 | - | - |
| ${30}\mathrm{\;{km}}/\mathrm{h}$ | 28.29 | 33.2 | 26.55 | 23.99 | 1.74 | 9.21 |
| ${45}\mathrm{\;{km}}/\mathrm{h}$ | 30.55 | 33.33 | 25.17 | 22.70 | 5.38 | 10.63 |
| 正常车速 | 32.26 | 36.27 | 25.72 | 23.25 | 6.54 | 13.02 |
), ArticleFig(id=1154050943218869029, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729535618368162, language=CN, label=表3, caption=
改造前后二次结构夜间噪声等效声级 Leq, figureFileSmall=null, figureFileBig=null, tableContent=
| 房间 | 工况 | 改造前 | 改造后 | 客厅 插入 损失 | 卧室 插入 损失 |
| 客厅 | 卧室 | 客厅 | 卧室 |
| (16~ | (16~ | (16~ 200 | (16~ |
| 0/1 类限值 | 35 | 35 | 35 | 35 | - | - |
| A 小区 12 层 (对应 左线) | 背景噪声 | 28.28 | 28.3 | 31.94 | 30.24 | - | - |
| ${30}\mathrm{\;{km}}/\mathrm{h}$ | 32.54 | 32.78 | 31.66 | 31.17 | 0.88 | 1.61 |
| ${45}\mathrm{\;{km}}/\mathrm{h}$ | 33.88 | 32.8 | 33.38 | 31.94 | 0.50 | 0.86 |
| 正常车速 | 34.59 | 33.03 | 33.90 | 31.98 | 0.69 | 1.05 |
| B 小区 5 层 (对应 右线) | 背景 | 25.22 | 29.48 | 22.52 | 19.89 | - | - |
| ${30}\mathrm{\;{km}}/\mathrm{h}$ | 28.29 | 33.2 | 26.55 | 23.99 | 1.74 | 9.21 |
| ${45}\mathrm{\;{km}}/\mathrm{h}$ | 30.55 | 33.33 | 25.17 | 22.70 | 5.38 | 10.63 |
| 正常车速 | 32.26 | 36.27 | 25.72 | 23.25 | 6.54 | 13.02 |
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