文章來源(yuan)：中國(guo)鐵路工(gong)程總公(gong)司(si) 發布(bu)時間：2010-04-13
4月5日(ri)，中(zhong)國鐵路工(gong)(gong)程總(zong)公司六局承(cheng)建的大(da)包電氣化改造工(gong)(gong)程靳圪塔(ta)梁隧(sui)(sui)道(dao)(dao)(dao)進、出(chu)(chu)口二襯在DK392+509里程處成功順接，隧(sui)(sui)道(dao)(dao)(dao)主體工(gong)(gong)程全部(bu)完工(gong)(gong)，為(wei)其它項目的開展贏得了寶貴(gui)的時(shi)間(jian)。靳圪塔(ta)梁隧(sui)(sui)道(dao)(dao)(dao)位(wei)于山西省大(da)同(tong)市新(xin)榮(rong)區堡子灣鄉祁皇墓村，正洞全長1456m，斜井施(shi)(shi)工(gong)(gong)127m。該隧(sui)(sui)道(dao)(dao)(dao)為(wei)京(jing)包線大(da)包段(duan)電氣化改造工(gong)(gong)程全線施(shi)(shi)工(gong)(gong)長度最(zui)長、開工(gong)(gong)最(zui)晚的新(xin)建隧(sui)(sui)道(dao)(dao)(dao)。隧(sui)(sui)道(dao)(dao)(dao)地(di)質圍(wei)巖(yan)多(duo)變，Ⅲ級(ji)、Ⅳ級(ji)、Ⅴ級(ji)圍(wei)巖(yan)交(jiao)錯分(fen)部(bu)，掘進中(zhong)出(chu)(chu)現了隧(sui)(sui)道(dao)(dao)(dao)圍(wei)巖(yan)裂隙滲(shen)水(shui)等(deng)現象，為(wei)克服隧(sui)(sui)道(dao)(dao)(dao)圍(wei)巖(yan)地(di)質多(duo)變的問題(ti)，施(shi)(shi)工(gong)(gong)中(zhong)技術人(ren)員逐段(duan)核對圍(wei)巖(yan)級(ji)別，及時(shi)和(he)監理方、設計方、業主方做(zuo)好現場(chang)的確認以及相關變更程序的文字記(ji)錄(lu)。確保(bao)隧(sui)(sui)道(dao)(dao)(dao)按期保(bao)質完成。