潼(tong)關(guan)(guan)太(tai)峪850坑(keng)口(kou)是總公(gong)司重點建設(she)項(xiang)目——我隊(dui)潼(tong)關(guan)(guan)中深部探礦項(xiang)目骨干探礦工(gong)程(cheng)之一(yi)，巷道(dao)作業(ye)面達到一(yi)定(ding)深度時通風(feng)阻力(li)大、安(an)全(quan)隱患增(zeng)多、施(shi)工(gong)難(nan)度高，從而造成投入費用大幅度提高，生(sheng)產管(guan)理難(nan)度急劇增(zeng)加。在工(gong)程(cheng)進行的關(guan)(guan)鍵階段，解決850坑(keng)道(dao)通風(feng)問題，迫在眉睫(jie)。主管(guan)礦產開發的副隊(dui)長劉曉東親臨一(yi)線與(yu)坑(keng)口(kou)技術、管(guan)理人員、隊(dui)工(gong)程(cheng)公(gong)司經理沈星、測量主管(guan)曲(qu)屈益共(gong)同研究確定(ding)施(shi)工(gong)方案。
在(zai)施工(gong)(gong)過程中，測(ce)量上使用了先進的陀螺測(ce)斜(xie)儀以20米一測(ce)修正方位、孔斜(xie)，隨時控(kong)制(zhi)誤差(cha)，對鉆機安裝(zhuang)的平穩(wen)度、鉆孔的垂直度、鉆壓、鉆速、誤差(cha)進行(xing)了精確(que)的控(kong)制(zhi)。在(zai)興地公(gong)(gong)司、工(gong)(gong)程公(gong)(gong)司、地調所(suo)等單位技(ji)術人員的齊心努力下，850坑道420米深(shen)通風口順利施工(gong)(gong)，并在(zai)日前實現(xian)了巷道全線貫通。
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