期刊文献+

西十高铁秦岭马白山特长隧道分合修方案研究 被引量:3

Study on Single Double-track Tunnel Tube and Twin Single-track Tunnel Tubes of QinLing MaBaishan Extra Long Tunnel on Xi'an-Shiyan High-Speed Railway
下载PDF
导出
摘要 随着高速铁路快速发展,速度350 km/h铁路日益增加,特长隧道分合修的问题直接影响到施工、运营等方面。通过对国内外特长隧道比较,结合西安至十堰高铁秦岭马白山隧道,从防灾救援、运营维修、空气动力学、施工组织及工程投资等方面对分合修方案进行比较,合修方案对于本隧道更有优势。研究结论:(1)分合修均需要设置不同形式洞内救援,人员疏散时间和通风排烟模式均满足要求(2)运营维护方面,由于在事故工况下分修两管隧道互不影响,具有一定优势;(3)空气动力学方面,由于合修断面大,相比分修对乘客及洞口建筑影响较小,略有优势;(4)施工方面,由于合修场地空间较大,效率较高;(5)分修隧道工程投资较合修方案增加约50%,合修方案优势明显;(6)本研究成果适用于高速铁路特长隧道分合修方案比选。 350km/h railway is increasing with the rapid development of high-speed railway.The selection of single double-track tunnel tube or twin single-track tunnel tubes effects the construction,operation and other aspects.This article compares domestic and foreign long tunnels with Mabaishan Tunnel of Xi'an-Shiyan High-speed Railway in Qinling in terms of disaster prevention and rescue,operation and maintenance,aerodynamics,construction organization and engineering investment.Analysis conclusion:(1)Both single double-track tube and twin single-track tubes need to set different forms of rescue mode inside tunnel,and both evacuation time and ventilation and smoke exhaust mode fulfill requirements.(2)Twin single-track tunnel tubes is better than single double-track tube in operation and maintenance in case of accident(3)Due to large space and less impact on portal structure,single double-track tunnel tube is a little more efficient and superior compared with twin single-track tunnel tubes as far as aerodynamic is concerned.(4)Twin single-track tunnel tubes may increase the project investment by 50%than twin single-track tunnel tubes,and the former has obvious advantage.(5)The research results are applicable to the comparison of twin single-track tunnel tubes with single double-track tunnel tube of high speed railway tunnel.
作者 刘陆拓 LIU Lutuo(China Railway First Survey And Design Institute Group Co.,Ltd.(FSDI),Xi'an 710043,China;Shaanxi Railway and Underground Traffic Engineering Key Laboratory(FSDI),Xi'an 710043,China)
出处 《铁道标准设计》 北大核心 2020年第9期120-126,共7页 Railway Standard Design
关键词 西(安)十(堰)高铁 铁路隧道 特长隧道 分合修要素 方案比较 Xi'an-Shiyan High-speed Railway railway tunnel extra long tunnel twin single-track tubes and single double-track tube comparison of schemes
  • 相关文献

参考文献16

二级参考文献101

共引文献350

同被引文献50

引证文献3

二级引证文献13

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部