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Tunnel Construction >

2021 , Vol. 41 >Issue 4: 519 - 530

DOI: https://doi.org/10.3973/j.issn.2096-4498.2021.04.001

川藏铁路隧道设计理念与主要原则

  • 田四明 ,
  • 王伟 ,
  • 李国良 ,
  • 陶伟明 ,
  • 石少帅
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  • (1. China Railway Economic and Planning and Research Institute Co.,Ltd.,Beijing 100038, China;2. China Railway First Survey and Design Institute Group Co., Ltd., Xi′an 710043, Shaanxi, China; 3. China Railway Eryuan Engineering Group Co., Ltd., Chengdu 610031, Sichuan, China; 4. Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, Shandong, China)

Online published: 2021-04-30

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Abstract

The tunnels on SichuanTibet railway have huge works quantity, extremely complex geological conditions and severe climatic features due to high plateau and very cold temperature, resulting in great construction difficulties. In order to do a good job in the overall planning and design of the tunnels, efforts have been paid in a large number of investigations, technology summary of similar projects, and scientific researches. Finally, the new design concept of achieving "using new technologies, attaching top importance to the environment protection and achieving safe and intelligent project" for the tunnels on SichuanTibet railway is proposed, and main design principles are proposed in terms of tunnel alignment selection, option of twin singletrack tunnels vs. option of doubletrack tunnel, as well as selection of crosssection, supporting structure, waterproofing and drainage measures, cold prevention and antifreezing measures, disaster prevention and rescue measures, construction machinery matching mode, construction ventilation and oxygen supply mode, spoils and environmental protection mode, advance geological prediction mode, and construction organization which can provide technical support for the planning and construction of the tunnels on SichuanTibet railway.

Key words： SichuanTibet railway; tunnel; design principles; design concept

Cite this article

田四明 , 王伟 , 李国良 , 陶伟明 , 石少帅 . 川藏铁路隧道设计理念与主要原则[J]. Tunnel Construction, 2021 , 41(4) : 519 -530 . DOI: 10.3973/j.issn.2096-4498.2021.04.001

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