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三台山隧道洞口浅埋段塌方综合处治
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摘要
隧道施工掌子面开挖过程中,隧周或前方围岩体的坍塌称为塌方。洞口浅埋段是隧道塌方的易发段落,且常由小规模的塌方在拱部形成塌腔,进而发展成为大规模的塌方甚至塌至地表(一般称作通天塌方)。文章以三台山隧道为工程背景,叙述了其龙陵端左幅洞口浅埋段塌方的发生、成因分析、处治措施及效果,并得出了结论。
During the process of tunnel construction,the collapse of surrounding rock located at upside or foreside of face is called as tunnel collapse.Tunnel collapse ordinary occurred at shallow buried portal sections,and usually developed from small scale at arch part to large scale even collapse up till ground surface(that was called "chimney collapse").Taking Santai mountain tunnel as the background,the paper described the collapse occurrence of shallow buried left tube portal section at the Long ling side,analyzed the cause of collapse,and gave treatment measures,according to such measures,the collapse was treated effectively.Finally,the paper summed up conclusions.
引文
[1]中华人民共和国交通部.JTGD70-2004公路隧道设计规范[S].北京:人民交通出版社,2004.The Ministry of Transport of the People's Republic of China.JTG D70-2004 Code for design of road tunnel[S].Beijing:China Communication Press,2004.
    [2]中华人民共和国交通部.JTGF60-2009公路隧道施工技术规范[S].北京:人民交通出版社,2004.The Ministry of Transport of the People's Republic of China.JTG F60-2009 Technical specification for construction of highway tunnel[S].Beijing:China Communication Press,2009.
    [3]郭明亮.隧道塌方原因剖析及工程对策[J].铁道建筑技术,2011,(7):56-59.GUO Mingliang.Engineering measures and analysis of causes for tunnel collapse[J].Railway Construction Technology,2011,(7):56-59.
    [4]霍玉华.浅埋公路隧道施工塌方事故的预防与整治技术研究[J].中国安全科学学报,2005,15(7):84-87.HUO Yuhua.Study on prevention of collapse accident in shallow buried highway tunnel and its counter measures[J].China Safety Science Journal,2005,15(7):84-87.

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