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一奇 人造山谷(第1页)

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一奇 人造山谷

这很难说是个大坑了,其规模形制俨然山谷。深200米,长250米,宽240米,边壁上的盘山道呈螺旋状。至于有人怀疑这是否是人为造就?基本上用眼就能判断。这绝不会是彗星惹出的祸端、地震诞下的孽缘,这分明是人力所为,撼天动地,与二者的伟力不相上下。

人类浩大工程中,古有愚公移山——夺出路,造坦途,子孙齐上,搬山掘岭;今有三号矿坑——偿巨债,推卫星,爆“两弹”,肉躯抗岩,瘦骨撑天。

抒情的言辞并不能取代工业生产的严谨与科学,深谷的成型是矿脉的**与工匠雕琢的结果。三号矿坑盛斟着拼搏的浓浆,满溢着智慧的佳酿。随便说两个:

露天剥离、光面爆破。三号矿坑有13层旋转而下的运矿车道,有5个像刀砍斧斫一样平整的边坡。这就是国内各大矿山竞相学习的典范——光面爆破技术!

传统的露天剥离都是由人工完成。成本高,耗时长,稳固差,危险大。过去放炮,石头都能炸飞到河对岸去。改良爆破,要驯服石头先要控制钻孔与炸药。能工张志呈,控制住了爆破中的岩石硬根,被称为“张硬根”;巧匠田昭,降服了爆破中的大块,被称为“田大块”。二人联手实施的光面爆破被专家称之为“制图一样的爆破”(即:图纸画出什么样,我就能爆破出什么样)。

引蛇出洞,疏干排水。由于三号矿坑位于额尔齐斯河南岸,坑底与额河有120米的落差。相对而言,额河是一条悬河。这二者从表面上看秋毫无犯,实际上却暗中私通。地下竟有5条基岩强透水裂隙带直达矿床,不及时处理渗水问题,会严重影响正常生产。

20世纪五六十年代,科研人员开始反复对地下水文勘探,查清位置,提出了深孔预先疏干排水技术方案,成立140多人的疏干排水专业队伍,在矿坑西北和北部钻了12个疏干井,再用深井排水泵将水排出,顺利降低了含水层的水位。此技术为全国同类矿山提供了系统的经验和技术。自投入运行直到现在,还有5个疏干井在工作,每天的排水量还有1万多立方米。

章节目录

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