文章來源：中國鐵路(lu)工(gong)程總公司 發布時間：2010-04-10
4月6日，中(zhong)(zhong)國鐵(tie)路工(gong)(gong)(gong)程(cheng)總公司一(yi)局(ju)承建的(de)老虎屯(tun)隧道(dao)提(ti)前(qian)(qian)(qian)(qian)4天(tian)貫(guan)(guan)通。老虎屯(tun)隧道(dao)全長856米，最(zui)低圍巖(yan)達(da)到Ⅲ級，隧道(dao)區局(ju)部表覆第四系上更(geng)新統坡殘積細角礫土，隧道(dao)洞身所(suo)遇(yu)巖(yan)石(shi)為太(tai)古(gu)界長城系泥灰巖(yan)、鈣(gai)質(zhi)頁巖(yan)。斷(duan)面具舒緩波(bo)狀，具有擠(ji)壓片理(li)，擠(ji)壓扁(bian)豆體及斷(duan)層泥。隧道(dao)出(chu)口緊(jin)臨大(da)老虎村，施(shi)(shi)(shi)工(gong)(gong)(gong)干擾(rao)大(da)。在施(shi)(shi)(shi)工(gong)(gong)(gong)過程(cheng)中(zhong)(zhong)，專人負責(ze)施(shi)(shi)(shi)工(gong)(gong)(gong)技術、安全質(zhi)量、物資供(gong)應、試驗(yan)檢驗(yan)，實(shi)行全過程(cheng)控制(zhi)。嚴格按照“管超前(qian)(qian)(qian)(qian)、預注漿、短進(jin)(jin)尺(chi)、弱爆破、強(qiang)支護、早封(feng)閉、勤量測”的(de)施(shi)(shi)(shi)工(gong)(gong)(gong)指(zhi)(zhi)導(dao)原則進(jin)(jin)行施(shi)(shi)(shi)作(zuo)。將(jiang)出(chu)口段(duan)(duan)100米作(zuo)為開挖(wa)及初期支護工(gong)(gong)(gong)藝示范(fan)段(duan)(duan)，50米作(zuo)為二(er)次襯砌(qi)工(gong)(gong)(gong)藝示范(fan)段(duan)(duan)，規范(fan)每(mei)個(ge)施(shi)(shi)(shi)工(gong)(gong)(gong)環節，為后序工(gong)(gong)(gong)作(zuo)提(ti)供(gong)了可靠數據，起(qi)到了示范(fan)指(zhi)(zhi)導(dao)施(shi)(shi)(shi)工(gong)(gong)(gong)的(de)作(zuo)用。針對哈大(da)公司提(ti)出(chu)的(de)提(ti)前(qian)(qian)(qian)(qian)一(yi)年完工(gong)(gong)(gong)的(de)總體要(yao)求(qiu)，中(zhong)(zhong)鐵(tie)一(yi)局(ju)認真(zhen)貫(guan)(guan)徹落實(shi)“學習實(shi)踐科學發展觀、打(da)好哈大(da)2009攻堅戰”的(de)號召，調整施(shi)(shi)(shi)工(gong)(gong)(gong)組織(zhi)設計，迅速開展“大(da)干100天(tian)，確保主體工(gong)(gong)(gong)程(cheng)完成”的(de)勞動競賽(sai)活動，并與相關責(ze)任人簽(qian)訂“員工(gong)(gong)(gong)責(ze)任書”，明確責(ze)權利，充分調動每(mei)個(ge)員工(gong)(gong)(gong)的(de)主觀能動性，確保隧道(dao)節點(dian)工(gong)(gong)(gong)期穩步(bu)推(tui)進(jin)(jin)。確保了老虎屯(tun)隧道(dao)提(ti)前(qian)(qian)(qian)(qian)貫(guan)(guan)通，為打(da)好提(ti)前(qian)(qian)(qian)(qian)工(gong)(gong)(gong)期施(shi)(shi)(shi)工(gong)(gong)(gong)生(sheng)產攻堅戰奠定了基礎。