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我国瓦斯隧道施工技术进展及主要问题探讨
(1. 湖南科技大学资源环境与安全工程学院, 湖南 湘潭 411201; 2. 湖南科技大学南方煤矿瓦斯与顶板灾害预防控制安全生产重点实验室, 湖南 湘潭 411201; 3. 贵阳景烁安全科技有限公司, 贵州 贵阳 550081)
网络出版日期: 2024-02-04
Construction Technology Development and Issues Related to Gas Tunnels in China
(1. School of Resources & Environment and Safety Engineering, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China; 2. The SAWS Laboratory of Prevention and Controlling the Roof, Coal and Gas Outburst in Coal Mine of South China, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China; 3. Guiyang Jingshuo Security Technology Co., Ltd., Guiyang 550081, Guizhou, China)
Online published: 2024-02-04
黄飞 , 钟小凤 , 罗太友 , 李树清 , 罗亚飞 , 刘磊 , 龙其毕 . 我国瓦斯隧道施工技术进展及主要问题探讨[J]. 隧道建设, 2024 , 44(1) : 53 -68 . DOI: 10.3973/j.issn.2096-4498.2024.01.004
In this study, the development of construction technology and the disadvantages associated with gas tunnels in China are summarized using network data, literature reviews, and onsite construction data. The findings are as follows: (1) Tunnels characterized by extensive gas sections and high gas concentrations are predominantly situated in central and western China. (2) The principal hazards associated with these tunnels include gas combustion, explosions, coal and gas outbursts, as well as gasinduced suffocation and poisoning, although the annual incidence of these disasters has declined. (3) Over the past 20 years, the design and construction specifications for these tunnels have seen comprehensive enhancements, incorporating national standards for railway and highway construction and regional standards in Guizhou, Sichuan, and Chongqing. (4) Safe construction of these tunnels relies heavily on advance detection, gas monitoring, adequate ventilation, coal removal, and antioutburst technologies. The parameters of these technologies have been optimized through diverse engineering practices. (5) Technical challenges, including the measurement of absolute gas emissions and the dynamic adjustment mechanism of the gas work area, continue to pose significant risks to construction safety and costs. Further specialized research is recommended to enhance design and construction standards, thereby providing robust theoretical and technological support for the safe and efficient construction of gas tunnels in China.
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