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Evaluating the Highway Tunnel Construction in Western Sichuan Plateau Considering Vocational Health and Environment

Author

Listed:
  • Peng Wu

    (Department of Management Science and System Science, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China)

  • Feng Yang

    (Sichuan Highway Planning, Survey, Design and Research Institute Ltd., 1 Wuhouci Hengjie Street, Chengdu 610041, China)

  • Jinlong Zheng

    (Sichuan Highway Planning, Survey, Design and Research Institute Ltd., 1 Wuhouci Hengjie Street, Chengdu 610041, China)

  • Yanqing Wei

    (Sichuan Highway Planning, Survey, Design and Research Institute Ltd., 1 Wuhouci Hengjie Street, Chengdu 610041, China)

Abstract

Oxygen deficiency and coldness are the main challenges for highway tunnel construction in high-altitude areas such as western Sichuan plateau. The artificial oxygen supply and anti-freezing structure in the tunnel construction process has a significant impact on vocational health and the environment. Thus, the conditions of tunnels need to be carefully evaluated before construction. However, the current design code for tunnel construction contains few instructions about these aspects. This paper attempts to establish a simple evaluation method to guide the construction design by analyzing the oxygen partial pressure of trachea, the mean temperature of the coldest month, and the maximum freezing depth for tunnel projects in western Sichuan plateau. Based on the on-site meteorological monitoring at different altitudes of three typical tunnels in the western Sichuan plateau and the comparative analysis of the existing meteorological data, the corresponding relationships between the three parameters and the altitude were investigated. The thresholds by altitude for grading the tunnels are identified as 2100 m and 4200 m, respectively. The highway tunnels in the western Sichuan plateau are graded in three categories, namely, general-altitude tunnels, high-altitude tunnels, and ultra-high-altitude tunnels. The corresponding measures of oxygen supply and freezing prevention for different graded tunnels are recommended. The results would provide a basis for the design and construction of new tunnels and enhance the service life and operations safety of the tunnels in western Sichuan plateau and other similar high-altitude areas.

Suggested Citation

  • Peng Wu & Feng Yang & Jinlong Zheng & Yanqing Wei, 2019. "Evaluating the Highway Tunnel Construction in Western Sichuan Plateau Considering Vocational Health and Environment," IJERPH, MDPI, vol. 16(23), pages 1-15, November.
  • Handle: RePEc:gam:jijerp:v:16:y:2019:i:23:p:4671-:d:290204
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    Citations

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    Cited by:

    1. Zijun Li & Rongrong Li & Yu Xu & Yuanyuan Xu, 2022. "Study on the Optimization and Oxygen-Enrichment Effect of Ventilation Scheme in a Blind Heading of Plateau Mine," IJERPH, MDPI, vol. 19(14), pages 1-17, July.
    2. Xiaoxu Yang & Yuming Liu & Kai Liu & Guangzhong Hu & Xi Zhao, 2022. "Research on Promotion and Application Strategy of Electric Equipment in Plateau Railway Tunnel Based on Evolutionary Game," Sustainability, MDPI, vol. 14(22), pages 1-19, November.
    3. Zijun Li & Rongrong Li & Yu Xu & Yuanyuan Xu, 2020. "Study on the Oxygen Enrichment Effect of Individual Oxygen-Supply Device in a Tunnel of Plateau Mine," IJERPH, MDPI, vol. 17(16), pages 1-16, August.
    4. Wei Dai & Yimin Xia & Bo Ning & Mei Yang, 2020. "Numerical Analysis of Stress and Temperature Fields in a Composite Stratum Based on a New Method of Shield Construction for Safety and Environmental Protection," IJERPH, MDPI, vol. 17(2), pages 1-12, January.

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