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一、施工概况营口市自来水公司为了缓解市区工业与生活用水的紧张局面,从距市区52km的三道岭水库引水进入市内。由辽宁省地矿局坑探工程大队承包的白石山引水隧道部分,自1988年4月8日进入现场到1988年12月21日验收合格,总计施工8个月零13天,完成隧道掘进789m,斜井掘进85.58m,隧道衬砌789m。平均月进尺204m(两坑口对掘),最高月进尺265m,隧道中部贯通误差,水平方向22mm,垂直方向28mm。隧道净断面2.3×2.3m~2,隧道坡度0.65%,日流水量20万t,工程总造价230万元,工程获利润35万元,此工程无论在质量上还是在速度上、安全上均受到了营口市政府的高度赞扬。
First, the construction overview Yingkou City Water Corporation in order to ease the urban industrial and domestic water tensions, from the urban area 52km Sanda Ling Reservoir into the city. The part of Baishishan diversion tunnel contracted by the pit exploration engineering team of the Bureau of Geology and Mineral Resources of Liaoning Province passed the site on April 8, 1988 and passed the inspection on December 21, 1988, for a total of 8 months and 13 days and completed 789m of tunneling , Inclined shaft drilling 85.58m, tunnel lining 789m. The average monthly footage of 204m (two Hang Hau dig), the maximum monthly footage into 265m, the central tunnel through error, horizontal 22mm, vertical 28mm. The net section of the tunnel is 2.3 × 2.3m ~ 2, the gradient of the tunnel is 0.65%, the daily flow of water is 200,000 t, the total cost of the project is 2.3 million yuan and the profit of the project is 350,000 yuan. The project is safe and safe in terms of both quality and speed Yingkou municipal government has been highly praised.