| 成都地铁某隧道瓦斯预警分析及控制措施 |
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| 引用本文： | 梁栋,谢平,周汉国,郭超,李俊生.成都地铁某隧道瓦斯预警分析及控制措施[J].路基工程,2022,0(3):227-230. |
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| 作者姓名： | 梁栋 谢平 周汉国 郭超 李俊生 |
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| 作者单位： | 中铁科学研究院有限公司，成都 611731 |
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| 摘 要： | 成都轨道交通18号线某隧道处于三大湾油气田区，2018年4月以来，隧道多个掌子面出现了瓦斯浓度超标预警，预警频次已超出建设单位规定数值。通过对瓦斯预警的全面分析，找出主要症结，制定对应措施，并对执行效果进行了对比分析和效益评价，可为类似项目提供可借鉴的经验。
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| 关 键 词： | 地铁 隧道 瓦斯浓度 超标预警 控制措施 |
| 收稿时间： | 2022-02-28 |
Gas Early Warning Analysis and Control Measures of a Tunnel in Chengdu Metro |
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| Abstract: | A tunnel of Chengdu rail transit line 18 is located in the Sandawan oil and gas field area. Since April 2018, the warning of excessive gas concentration has appeared in many tunnel faces, and the warning frequency has exceeded the value specified by the construction unit. Through the comprehensive analysis of gas early warning, this paper finds out the main crux, formulates corresponding measures, and makes a comparative analysis and benefit evaluation of the implementation effect, which can provide reference experience for similar projects. |
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