第4卷第2期现代工程科技Vol.4No.2
2025年1月ModernEngineeringTechnologyJan.2025
铁路工程隧道施工瓦斯防控技术措施研究
贾鑫
中铁十五局集团第四工程有限公司,河南郑州450000
摘要:西渝高铁华蓥山隧道地处川中和川东结合部华蓥山脉,穿越煤层、采空区等不良地质,属高瓦斯隧道,瓦
斯防控是该隧道施工的重中之重。为防止施工中发生瓦斯事故威胁施工安全,结合隧道高瓦斯段的设计与施工特点,
综合采用了超前探测、防爆改装、压入式+巷道式通风等瓦斯防控方法,取得了较好的效果。可为类似工程施工提
供参考。
关键词:铁路工程;隧道;瓦斯防控;通风
中图分类号:U455文献标识码:A
ResearchonTechnicalMeasuresforGasPreventionandControlinRailwayTunnel
Construction
JiaXin
TheFourthEngineeringCo.,Ltd.ofChinaRailway15thBureauGroup,Zhengzhou,Henan450000
Abstract:TheHuayingMountainTunneloftheXian-ChongqingHigh-speedRailwayislocatedintheHuayingMountainrange
atthejunctionofcentralandeasternSichuan.Itpassesthroughadversegeologicalconditionssuchascoalseamsandgoafsandisa
high-gastunnel.Gaspreventionandcontrolisofutmostimportanceintheconstructionofthistunnel.Topreventgasaccidentsduring
constructionandensureconstructionsafety,combinedwiththedesignandconstructioncharacteristicsofthehigh-gassectionofthe
tunnel,acomprehensivesetofgaspreventionandcontrolmethods,includingadvanceddetection,explosion-proofmodi?cation,
forced-ventilation+roadway-typeventilation,etc.,wereadopted.Ultimately,goodresultswereachieved,providingareferencefor
similarengineeringconstruction.
Keywords:railwayengineering;tunnel;gaspreventionandcontrol;ventilation
1铁路工程瓦斯隧道分级情况进行修订[4-5],通过对瓦斯浓度的监控,建立瓦斯隧
道安全预警管理体系,对于煤层尤其突出的危险区的判