银英公路大庙峡隧道地处侵蚀溶蚀山岭重丘地貌,区内地层主要为泥盆系中统棋子桥组(D2q)灰白色厚层状灰岩,发育岩溶、土洞,溶蚀现象较明显,进出口浅埋段溶蚀极度发育,施工中极易发生塌方冒顶,处理施工难度大.文中结合大庙峡隧道出口浅埋段塌方冒顶施工特点,介绍了塌方冒顶施工处理、监控量测等施工方法,对以后类似工程处理能提供较好的参考经验.
Building i ndustry ope ns up ne w worl d of entre preneurial str uggle to build a t hree pr ovinces of regi onal central cities --in the Communist x countie s the six ple nary se ssion member s and comrades: t oda y, I was commissioned by the County party Committee Standi ng Committee, reports to the General Assembl y. Considerati on of all members a nd alter nates, a nd comrade s attendi ng advi
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