Article(id=1268884515519885910, tenantId=1146029695717560320, journalId=1268266580820377661, issueId=1268884383122494171, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1001-4632.2026.02.16, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1728662400000, receivedDateStr=2024-10-12, revisedDate=1763481600000, revisedDateStr=2025-11-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1780455243234, onlineDateStr=2026-06-03, pubDate=1772294400000, pubDateStr=2026-03-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1780455243234, onlineIssueDateStr=2026-06-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1780455243234, creator=13701087609, updateTime=1780455243234, updator=13701087609, issue=Issue{id=1268884383122494171, tenantId=1146029695717560320, journalId=1268266580820377661, year='2026', volume='47', issue='2', pageStart='1', pageEnd='255', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1780455211667, creator=13701087609, updateTime=1780455310713, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1268884798719300557, tenantId=1146029695717560320, journalId=1268266580820377661, issueId=1268884383122494171, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1268884798723494862, tenantId=1146029695717560320, journalId=1268266580820377661, issueId=1268884383122494171, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=186, endPage=197, ext={EN=ArticleExt(id=1268884515721212504, articleId=1268884515519885910, tenantId=1146029695717560320, journalId=1268266580820377661, language=EN, title=Full-Scale Test of the Propagation Characteristics of the Initial Compression Waves of Sonic Boom in Long Tunnels of High-Speed Railways, columnId=null, journalTitle=China Railway Science, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To investigate the characteristics of the initial compression wave associated with tunnel sonic boom in long high-speed railway tunnels and analyze its correlation with the occurrence of tunnel sonic boom, full-scale tests were carried out in a long tunnel. Taking the formation mechanism of tunnel sonic boom and the propagation path of the initial compression wave as the starting point, the longitudinal distributions of the aerodynamic pressure and pressure-gradient peak of the initial compression wave inside the tunnel before and after the occurrence of sonic boom were comparatively analyzed. The influence of train speed on these peak values during sonic boom occurrence was clarified, and the effects of portal hood configuration and train type on tunnel sonic boom were discussed. The results show that, under the action of nonlinear effects, the initial compression wave is progressively steepened during propagation, thereby inducing tunnel sonic boom. For the tested tunnel, regardless of whether sonic boom occurs, the aerodynamic pressure peak of the initial compression wave along the tunnel longitudinal direction first increases and then decreases. When sonic boom occurs, the pressure peak of the initial compression wave near the train exit end is higher than that near the entry end. Taking a train speed of 340 km · h-1 as an example, the positive peak, negative peak, and peak-to-peak value of the aerodynamic pressure of the initial compression wave at the measurement point near the exit end increase by 36.53%, 11.22%, and 20.71%, respectively, compared with those near the entry end. With increasing speed, the probability of tunnel sonic boom increases, and the variation rate of the aerodynamic pressure peak of the initial compression wave from the train entry end to the middle section of the tunnel is higher than that at lower speeds. When sonic boom occurs, the pressure-gradient peak of the initial compression wave increases sharply after propagating a certain distance, and the increase near the train exit end is significantly greater than that near the entry end; at 340 km · h-1, the difference between the two reaches nearly ninefold in the tested tunnel. When sonic boom occurs, the pressure-gradient peak inside the tested tunnel is proportional to the train speed raised to the power of 6.5-9.6, whereas when sonic boom does not occur, it is proportional to the train speed raised to the power of 3.5-4.6. In addition, compared with the recessed portal hood, the oblique portal hood is more effective in mitigating the occurrence of tunnel sonic boom.
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为探究高速铁路长大隧道音爆时初始压缩波特性,分析其与隧道音爆发生的相关关系,基于某长大隧道实车试验,以音爆产生机理和初始压缩波传播路径为切入点,对比分析音爆前后隧道内初始压缩波气动压力和压力梯度峰值的纵向分布规律,明确音爆发生时动车组速度对峰值的影响,讨论洞口缓冲结构型式和车型对音爆的影响。结果表明:在非线性效应作用下,初始压缩波在传播过程中发生激化导致音爆;对于测试隧道,无论音爆发生与否,初始压缩波气动压力峰值在隧道内均表现为沿纵向先增后减的趋势;音爆发生时,近列车驶出端的初始压缩波压力峰值较驶入端有所提高,以时速340 km为例,列车驶出端测点初始压缩波气动压力正、负峰值和峰峰值较驶入端分别增大了36.53%,11.22%和20.71%;速度提升后音爆发生概率增大,此时列车驶入端至隧道中心段测点初始压缩波气动压力峰值较低速时的变化率更高;音爆发生时,初始压缩波在传播一定距离后压力梯度峰值激增,列车驶出端较驶入端增幅明显,时速340 km时测试隧道内两者相差近9倍;发生音爆时测试隧道内压力梯度峰值与速度的6.5~9.6次方成正比,而未发生音爆时则与速度的3.5~4.6次方成正比;隧道的斜切式缓冲结构较倒切式缓冲结构更有利于避免隧道音爆的发生。
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, authorsList=田经纬, 马伟斌, 韩嘉强, 罗禄森, 程爱君, 贾景超)}, authors=[Author(id=1268884521056367246, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=amigotjw@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1268884521161224850, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, authorId=1268884521056367246, language=EN, stringName=Jingwei TIAN, firstName=Jingwei, middleName=null, lastName=TIAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.China Academy of Railway Sciences, Beijing 100081, China
2.Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884521534517907, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, authorId=1268884521056367246, language=CN, stringName=田经纬, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.中国铁道科学研究院,北京100081
2.中国铁道科学研究院集团有限公司 铁道建筑研究所,北京100081, bio={"content":"
田经纬(1998—),男,河北唐山人,博士研究生。E-mail:amigotjw@163.com
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田经纬(1998—),男,河北唐山人,博士研究生。E-mail:amigotjw@163.com
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1.China Academy of Railway Sciences, Beijing 100081, China), AuthorCompanyExt(id=1268884520670491264, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, companyId=1268884520636936830, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.中国铁道科学研究院,北京100081)]), AuthorCompany(id=1268884520771154561, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, xref=2., ext=[AuthorCompanyExt(id=1268884520779543170, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, companyId=1268884520771154561, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China), AuthorCompanyExt(id=1268884520800514691, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, companyId=1268884520771154561, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.中国铁道科学研究院集团有限公司 铁道建筑研究所,北京100081)])]), Author(id=1268884521895228053, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=dwangfei@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1268884521991697048, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, authorId=1268884521895228053, language=EN, stringName=Weibin MA, firstName=Weibin, middleName=null, lastName=MA, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China
3.State Key Laboratory of High Speed Railway Track System, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884522302075545, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, authorId=1268884521895228053, language=CN, stringName=马伟斌, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.中国铁道科学研究院集团有限公司 铁道建筑研究所,北京100081
3.中国铁道科学研究院集团有限公司 高速铁路轨道系统全国重点实验室,北京100081, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1268884520771154561, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, xref=2., ext=[AuthorCompanyExt(id=1268884520779543170, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, companyId=1268884520771154561, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China), AuthorCompanyExt(id=1268884520800514691, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, companyId=1268884520771154561, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.中国铁道科学研究院集团有限公司 铁道建筑研究所,北京100081)]), AuthorCompany(id=1268884520855040645, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, xref=3., ext=[AuthorCompanyExt(id=1268884520863429254, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, companyId=1268884520855040645, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.State Key Laboratory of High Speed Railway Track System, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China), AuthorCompanyExt(id=1268884520871817863, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, companyId=1268884520855040645, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.中国铁道科学研究院集团有限公司 高速铁路轨道系统全国重点实验室,北京100081)])]), Author(id=1268884523887522459, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1268884524000768670, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, authorId=1268884523887522459, language=EN, stringName=Jiaqiang HAN, firstName=Jiaqiang, middleName=null, lastName=HAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China
3.State Key Laboratory of High Speed Railway Track System, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884524109820575, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, authorId=1268884523887522459, language=CN, stringName=韩嘉强, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.中国铁道科学研究院集团有限公司 铁道建筑研究所,北京100081
3.中国铁道科学研究院集团有限公司 高速铁路轨道系统全国重点实验室,北京100081, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1268884520771154561, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, xref=2., ext=[AuthorCompanyExt(id=1268884520779543170, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, companyId=1268884520771154561, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China), AuthorCompanyExt(id=1268884520800514691, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, companyId=1268884520771154561, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.中国铁道科学研究院集团有限公司 铁道建筑研究所,北京100081)]), AuthorCompany(id=1268884520855040645, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, xref=3., ext=[AuthorCompanyExt(id=1268884520863429254, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, companyId=1268884520855040645, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.State Key Laboratory of High Speed Railway Track System, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China), AuthorCompanyExt(id=1268884520871817863, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, companyId=1268884520855040645, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.中国铁道科学研究院集团有限公司 高速铁路轨道系统全国重点实验室,北京100081)])]), Author(id=1268884524416004769, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1268884524541833891, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, authorId=1268884524416004769, language=EN, stringName=Lusen LUO, firstName=Lusen, middleName=null, lastName=LUO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4.China Railway Eryuan Engineering Group Co., Ltd., Chengdu Sichuan 610031, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884524910932644, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, authorId=1268884524416004769, language=CN, stringName=罗禄森, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4.中铁二院工程集团有限责任公司,四川成都610031, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1268884520938926729, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, xref=4., ext=[AuthorCompanyExt(id=1268884520943121034, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, companyId=1268884520938926729, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.China Railway Eryuan Engineering Group Co., Ltd., Chengdu Sichuan 610031, China), AuthorCompanyExt(id=1268884520951509643, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, companyId=1268884520938926729, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.中铁二院工程集团有限责任公司,四川成都610031)])]), Author(id=1268884524990624422, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1268884525326168745, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, authorId=1268884524990624422, language=EN, stringName=Aijun CHENG, firstName=Aijun, middleName=null, lastName=CHENG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China
3.State Key Laboratory of High Speed Railway Track System, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1268884525674295978, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, authorId=1268884524990624422, language=CN, stringName=程爱君, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.中国铁道科学研究院集团有限公司 铁道建筑研究所,北京100081
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测试隧道出口微气压波压力峰值, figureFileSmall=5nyv9aSyy0uGGZfPLMZfnQ==, figureFileBig=xoScRUGwxo/LLY0WrEbQ+Q==, tableContent=null), ArticleFig(id=1268884537942635229, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, language=EN, label=null, caption=null, figureFileSmall=0w1RUy4uzFFOMZmyZNZF5Q==, figureFileBig=PHJBj+tNBcO9ZORXh4p9sQ==, tableContent=null), ArticleFig(id=1268884538018132702, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, language=CN, label=图15, caption=
测试隧道进出口缓冲结构缓解效果对比, figureFileSmall=0w1RUy4uzFFOMZmyZNZF5Q==, figureFileBig=PHJBj+tNBcO9ZORXh4p9sQ==, tableContent=null), ArticleFig(id=1268884538089435871, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, language=EN, label=null, caption=null, figureFileSmall=oh+ISx31fe9OQrJghs+TCQ==, figureFileBig=wUyKXR8lxhI6BQaz0vFpFw==, tableContent=null), ArticleFig(id=1268884538152350432, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, language=CN, label=图16, caption=
隧道内测点初始压缩波压力梯度峰值纵向分布, figureFileSmall=oh+ISx31fe9OQrJghs+TCQ==, figureFileBig=wUyKXR8lxhI6BQaz0vFpFw==, tableContent=null), ArticleFig(id=1268884538261402337, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, language=EN, label=null, caption=null, figureFileSmall=lNZHW9o5sa6EN/kEmGF3JQ==, figureFileBig=Ik5YdsaZ/JrdfNc/JVLwgA==, tableContent=null), ArticleFig(id=1268884538332705506, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, language=CN, label=图17, caption=
典型速度级下测试隧道出口20 m处微气压波压力峰值对比, figureFileSmall=lNZHW9o5sa6EN/kEmGF3JQ==, figureFileBig=Ik5YdsaZ/JrdfNc/JVLwgA==, tableContent=null), ArticleFig(id=1268884538395620067, tenantId=1146029695717560320, journalId=1268266580820377661, articleId=1268884515519885910, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验 | 正峰值 | 负峰值 | 峰峰值 |
|---|
| 第1次试验 | 0.253 | 0.181 | 0.434 |
| 第2次试验 | 0.276 | 0.198 | 0.483 |
| 第3次试验 | 0.270 | 0.188 | 0.458 |
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隧道内距进口4 200 m处测点压力峰值(时速300 km)
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| 试验 | 正峰值 | 负峰值 | 峰峰值 |
|---|
| 第1次试验 | 0.253 | 0.181 | 0.434 |
| 第2次试验 | 0.276 | 0.198 | 0.483 |
| 第3次试验 | 0.270 | 0.188 | 0.458 |
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| 距进口位置占全长比例 | 初始压缩波压力正峰值/kPa |
|---|
| 不同速度下列车正向通过隧道时 | 不同速度下列车反向通过隧道时 |
|---|
| 时速320 km | 时速340 km | 时速320 km | 时速340 km |
|---|
| 0.02 | 0.804 | 0.926 | 0.839 | 0.912 |
| 0.10 | 0.766 | 0.879 | 0.837 | 0.899 |
| 0.20 | 0.645 | 0.707 | 0.654 | 0.791 |
| 0.40 | 1.006 | 1.316 | 1.581 | 1.738 |
| 0.50 | 0.329 | 0.381 | 0.385 | 0.499 |
| 0.90 | 0.256 | 0.258 | 0.329 | 0.452 |
| 0.98 | 0.443 | 0.461 | 0.565 | 0.668 |
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不同纵向位置处测点初始压缩波压力正峰值
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| 距进口位置占全长比例 | 初始压缩波压力正峰值/kPa |
|---|
| 不同速度下列车正向通过隧道时 | 不同速度下列车反向通过隧道时 |
|---|
| 时速320 km | 时速340 km | 时速320 km | 时速340 km |
|---|
| 0.02 | 0.804 | 0.926 | 0.839 | 0.912 |
| 0.10 | 0.766 | 0.879 | 0.837 | 0.899 |
| 0.20 | 0.645 | 0.707 | 0.654 | 0.791 |
| 0.40 | 1.006 | 1.316 | 1.581 | 1.738 |
| 0.50 | 0.329 | 0.381 | 0.385 | 0.499 |
| 0.90 | 0.256 | 0.258 | 0.329 | 0.452 |
| 0.98 | 0.443 | 0.461 | 0.565 | 0.668 |
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| 车速/(km · h-1) | 不同测试列车对应的微气压波压力峰值/Pa |
|---|
| 测试车1 | 测试车2 | 测试车3 |
|---|
| 300 | 7.42 | 9.54 | 10.70 |
| 340 | 11.20 | 35.26 | 40.18 |
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典型速度级下测试隧道出口20 m处微气压波压力峰值
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| 车速/(km · h-1) | 不同测试列车对应的微气压波压力峰值/Pa |
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| 测试车1 | 测试车2 | 测试车3 |
|---|
| 300 | 7.42 | 9.54 | 10.70 |
| 340 | 11.20 | 35.26 | 40.18 |
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