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遵照伟大领袖毛主席关于“我们必须打破常规,尽量采用先进技术,在一个不太长的历史时期内,把我国建设成为一个社会主义的现代化的强国”的教导,自71年12月以来,我营在七××隧道施工中,采用了“光面爆破”。基本上控制了超挖、欠挖现象。爆破后的周边眼联结面,大致就是隧道轮廓线,炮眼痕迹清晰可见,从而提高了工效,降低了造价,保证了质量和安全施工。仅以我们完成的拱部“光面爆破”110米。刷邦250米计算(喷射混凝土施工),即可少
Follow the guidance of Chairman Mao, the great leader, on “We must break the routine, try to adopt advanced technology and, in a not too long historical period, turn our country into a powerful modern socialist.” Since December of this year, I Camp in seven × × tunnel construction, the use of “smooth blasting.” Basically control the over-dug, under-dug phenomenon. After the blasting of the surrounding eye junction surface, roughly the outline of the tunnel, bore marks clearly visible, thereby enhancing the work efficiency and reduce the cost to ensure the quality and safety of construction. Just finished the arch of our department “smooth blast” 110 meters. Brush state 250 meters (spray concrete construction), you can less