气动荷载作用下高速铁路隧道内轨旁疏散灯安全性研究

张曙; 杨伟超; 施成华; 曹宏凯; 刘俊杰

doi:10.19713/j.cnki.43-1423/u.T20211174

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气动荷载作用下高速铁路隧道内轨旁疏散灯安全性研究

高速铁路技术 | 更新时间：2022-09-30

- 气动荷载作用下高速铁路隧道内轨旁疏散灯安全性研究
- Safety of trackside evacuation lights in high speed railway tunnel under aerodynamic load
- 铁道科学与工程学报 2022年19卷第9期页码：2470-2479
- 作者机构：
  
  1.中铁第四勘察设计院集团有限公司，湖北武汉 430063
  2.中南大学土木工程学院，湖南长沙 410075
- 作者简介：
  
  杨伟超(1978-)，男，河南许昌人，副教授，博士，从事隧道空气动力学效应及流固耦合研究；E-mail：weic_yang@163.com
- 基金信息：
  
  国家自然科学基金资助项目(51978670)
- DOI：10.19713/j.cnki.43-1423/u.T20211174
  中图分类号： U25;U282
- 收稿：2021-11-01，
  
  纸质出版：2022-09-28
- 稿件说明：
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张曙,杨伟超,施成华等.气动荷载作用下高速铁路隧道内轨旁疏散灯安全性研究[J].铁道科学与工程学报,2022,19(09):2470-2479.

ZHANG Shu,YANG Weichao,SHI Chenghua,et al.Safety of trackside evacuation lights in high speed railway tunnel under aerodynamic load[J].Journal of Railway Science and Engineering,2022,19(09):2470-2479.
张曙,杨伟超,施成华等.气动荷载作用下高速铁路隧道内轨旁疏散灯安全性研究[J].铁道科学与工程学报,2022,19(09):2470-2479. DOI： 10.19713/j.cnki.43-1423/u.T20211174.

ZHANG Shu,YANG Weichao,SHI Chenghua,et al.Safety of trackside evacuation lights in high speed railway tunnel under aerodynamic load[J].Journal of Railway Science and Engineering,2022,19(09):2470-2479. DOI： 10.19713/j.cnki.43-1423/u.T20211174.

摘要

列车高速通过隧道过程中形成的压力波不可避免地对隧道内轨旁附属设施造成气动冲击，影响其使用寿命。以高速铁路隧道内广泛分布的疏散灯为研究对象，采用隧道空气动力学的分析方法，利用Fluent软件进行仿真分析，确定高速铁路隧道内压力波的荷载作用特征。基于Abaqus商业计算平台，建立隧道地层-衬砌结构-锚栓-疏散灯的结构动力学仿真模型，研究气动荷载和地层荷载联合作用下隧道衬砌、锚栓和疏散灯灯具的动力响应。通过不同锚栓规格对衬砌力学分布特征的影响规律分析，探讨高速铁路隧道内轨旁疏散灯具的潜在破坏模式。研究结果表明：气动-地层荷载联合作用下，相对于疏散灯灯具以及锚栓本身，衬砌混凝土首先达到其疲劳破坏阈值，而此时疏散灯灯具及锚栓应力还远未达到其控制值，气动荷载作用下隧道内轨旁疏散灯失效更可能是锚栓安装基座的衬砌混凝土破坏而导致。锚栓安装基座衬砌混凝土拉应力分布特征呈现表层锥体分布特征，表明气动荷载作用下疏散灯安装锚栓可能存在剪撬破坏。在气动荷载一定的情况下，衬砌混凝土的应力峰值与锚栓规格呈现显著的负相关关系，增大锚栓规格是提高轨旁疏散灯结构安全性的有效措施。

Abstract

The pressure wave will be formed when the train passes through the tunnel at high speed

and it will cause aerodynamic impact on the trackside auxiliary facilities in the track inevitably. The evacuation lights widely distributed in high-speed railway tunnels were studied. Firstly

the load action characteristics of pressure wave in high-speed railway tunnel were determined by using the analysis method of tunnel aerodynamics and Fluent software. Then

based on Abaqus commercial computing platform

the structural dynamic simulation model of tunnel stratum lining

anchor bolt

evacuation lamp was established to study the dynamic response of tunnel lining

anchor bolt and evacuation lamp under the combined action of aerodynamic load and stratum load. Finally

through the analysis of the influence law of different anchor bolt specifications on the mechanical distribution characteristics of lining

the potential failure mode of trackside evacuation lamps in high-speed railway tunnel was discussed. The results are drawn as follows. Under the combined action of aerodynamic and ground load

the lining concrete first reaches its fatigue failure threshold compared with the evacuation lamp and the anchor bolt itself

while the stress of the evacuation lamp and the anchor bolt is far from reaching its control value. The failure of trackside evacuation lamp in the tunnel under aerodynamic load is more likely caused by the damage of the lining concrete of the anchor bolt installation base. The distribution of tensile stress in the lining concrete of anchor bolt installation foundation shows the distribution characteristics of surface cone

indicating that the anchor bolt of evacuation lamp installation may be damaged by shear prying under aerodynamic load. Under a certain aerodynamic load

there is a significant negative correlation between the peak stress of lining concrete and the specification of anchor bolt

which shows that increasing the specification of anchor bolt is an effective measure to improve the structural safety of trackside evacuation lamp.

关键词

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references

何鹏 . 拉弯复合受力状态后锚固锚板受力性能研究 [D]. 徐州 : 中国矿业大学 , 2020 .

HE Peng . Study on mechanical performance of anchor plate under the combined action of tension and moment [D]. Xuzhou : China University of Mining and Technology , 2020 .

DONG Y , HESS D P . Shock-induced loosening of dimensionally non-conforming threaded fasteners [J]. Journal of Sound and Vibration , 2000 , 231 ( 2 ): 451 - 459 .

POTTHOFF M . Tragverhalten und bemessung von ankerschienen unter querbelastung (Load bearing behaviour and design of anchor channels under shear loads) [R]. University of Stuttgart (in German) , 2008 .

LYNCH T J , BURDETTE E G . Some design considerations for anchors in concrete [J]. ACI Structural Journal , 1991 , 88 ( 1 ): 91 - 97 .

ALQEDRA M A , ASHOUR A F . Prediction of shear capacity of single anchors located near a concrete edge using neural networks [J]. Computers & Structures , 2005 , 83 ( 28/29/30 ): 2495 - 2502 .

刘建华 . 轴向激励下螺栓连接结构的松动机理研究 [D]. 成都 : 西南交通大学 , 2016 .

LIU Jianhua . Research on the self-loosening mechanism of bolted joints under axial excitation [D]. Chengdu : Southwest Jiaotong University , 2016 .

王一焕 . 锚固单向螺栓力学性能及其在抗弯框架中的应用研究 [D]. 广州 : 华南理工大学 , 2020 .

WANG Yihuan . Study on mechanical behaviors of anchored blind bolt and its application in moment-resisting frame [D]. Guangzhou : South China University of Technology , 2020 .

邓锷 , 杨伟超 , 尹荣申 , 等 . 横风下高速列车驶入隧道时瞬态气动性能研究 [J]. 湖南大学学报(自然科学版) , 2019 , 46 ( 9 ): 69 - 78 .

DENG E , YANG Weichao , YIN Rongshen , et al . Study on transient aerodynamic performance of high-speed trains when entering into tunnel under crosswinds [J]. Journal of Hunan University (Natural Sciences) , 2019 , 46 ( 9 ): 69 - 78 .

YANG Weichao , DENG E , LEI Mingfeng , et al . Flow structure and aerodynamic behavior evolution during train entering tunnel with entrance in crosswind [J]. Journal of Wind Engineering and Industrial Aerodynamics , 2018 , 175 : 229 - 243 .

胡啸 . 开口型缓冲结构减缓高速磁浮列车驶入隧道时洞内外压力波动特性研究 [D]. 兰州 : 兰州交通大学 , 2019 .

HU Xiao . Study on the alleviation of hood with multiple windows on pressure fluctuation characteristics inside and outside the tunnel induced by high speed maglev train passing through the tunnel [D]. Lanzhou : Lanzhou Jiatong University , 2019 .

韩运动 , 姚松 , 陈大伟 , 等 . 基于实车试验的高速列车隧道压力波影响因素 [J]. 中南大学学报(自然科学版) , 2017 , 48 ( 5 ): 1404 - 1412 .

HAN Yundong , YAO Song , CHEN Dawei , et al . Influential factors of tunnel pressure wave on high-speed train by real vehicle test [J]. Journal of Central South University (Science and Technology) , 2017 , 48 ( 5 ): 1404 - 1412 .

DENG E , YANG Weichao , LEI Mingfeng , et al . Aerodynamic loads and traffic safety of high-speed trains when passing through two windproof facilities under crosswind: a comparative study [J]. Engineering Structures , 2019 , 188 : 320 - 339 .

杨伟超 , 何川 , 彭立敏 , 等 . 隧道结构内列车风荷载下接触网系统的风致振动响应 [J]. 铁道科学与工程学报 , 2018 , 15 ( 2 ): 276 - 284 .

YANG Weichao , HE Chuan , PENG Limin , et al . Vibrating response of overhead contact system under loading of slipstreams induced of high speed train traveling through tunnel [J]. Journal of Railway Science and Engineering , 2018 , 15 ( 2 ): 276 - 284 .

张雷 . 京沪高铁隧道洞门对隧道空气动力效应影响的研究 [D]. 长沙 : 中南大学 , 2010 .

ZHANG Lei . Study of influence on tunnel aerodynamic effects by tunnel portal of Beijing-Shanghai high-speed railway [D]. Changsha : Central South University , 2010 .

王照伟 . 高速铁路空气动力学效应对隧道内附属设施的影响 [D]. 长沙 : 中南大学 , 2011 .

WANG Zhaowei . Influence of aerodynamic effect of high speed railway on ancillary facilities in tunnel [D]. Changsha : Central South University , 2011 .

KIM D . Large deformation finite element analyses in TBM tunnel excavation: CEL and auto-remeshing approach [J]. Tunnelling and Underground Space Technology , 2021 , 116 : 104081 .

国家铁路局 . 铁路隧道设计规范 : TB 10003—2016 [S]. 北京 : 中国铁道出版社 , 2017 .

National Railway Administration of the people’s Republic of China . Code for design of railway tunnel : TB 10003—2016 [S]. Beijing : China Railway Press , 2017 .

中华人民共和国住房和城乡建设部 . 混凝土结构设计规范 : GB 50010—2010 [S]. 北京 : 中国建筑工业出版社 , 2011 .

Ministry of Housing and Urban-Rural Development of the People’s Republic of China . Code for design of concrete structures : GB 50010—2010 [S]. Beijing : China Architecture & Building Press , 2011 .

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