文章來源：中國鐵(tie)路工(gong)程總公司 發布時間：2010-04-10
4月6日(ri)，中(zhong)國鐵路工(gong)(gong)(gong)(gong)程總公(gong)司一(yi)局承建的(de)(de)老虎屯(tun)隧(sui)(sui)道(dao)(dao)(dao)(dao)提(ti)前4天貫通。老虎屯(tun)隧(sui)(sui)道(dao)(dao)(dao)(dao)全(quan)(quan)長856米，最低圍巖(yan)達到Ⅲ級，隧(sui)(sui)道(dao)(dao)(dao)(dao)區(qu)局部(bu)表覆第(di)四系上(shang)更(geng)新統坡殘積細角礫土，隧(sui)(sui)道(dao)(dao)(dao)(dao)洞身(shen)所遇巖(yan)石(shi)為(wei)太古(gu)界長城系泥(ni)灰巖(yan)、鈣質(zhi)頁巖(yan)。斷(duan)面具(ju)舒緩波狀，具(ju)有擠壓片(pian)理，擠壓扁豆體及(ji)斷(duan)層泥(ni)。隧(sui)(sui)道(dao)(dao)(dao)(dao)出口緊臨大(da)(da)老虎村，施(shi)工(gong)(gong)(gong)(gong)干擾大(da)(da)。在施(shi)工(gong)(gong)(gong)(gong)過(guo)程中(zhong)，專人負責施(shi)工(gong)(gong)(gong)(gong)技術、安全(quan)(quan)質(zhi)量、物資供(gong)應、試驗(yan)(yan)檢驗(yan)(yan)，實(shi)行(xing)全(quan)(quan)過(guo)程控制。嚴格按照“管超前、預(yu)注漿、短進尺、弱爆破、強支(zhi)護、早封閉、勤(qin)量測”的(de)(de)施(shi)工(gong)(gong)(gong)(gong)指導(dao)(dao)原則(ze)進行(xing)施(shi)作(zuo)。將出口段100米作(zuo)為(wei)開挖及(ji)初期支(zhi)護工(gong)(gong)(gong)(gong)藝(yi)示(shi)范段，50米作(zuo)為(wei)二次襯砌工(gong)(gong)(gong)(gong)藝(yi)示(shi)范段，規(gui)范每個(ge)施(shi)工(gong)(gong)(gong)(gong)環節，為(wei)后(hou)序工(gong)(gong)(gong)(gong)作(zuo)提(ti)供(gong)了(le)可(ke)靠數據，起到了(le)示(shi)范指導(dao)(dao)施(shi)工(gong)(gong)(gong)(gong)的(de)(de)作(zuo)用。針(zhen)對哈大(da)(da)公(gong)司提(ti)出的(de)(de)提(ti)前一(yi)年(nian)完工(gong)(gong)(gong)(gong)的(de)(de)總體要求，中(zhong)鐵一(yi)局認真貫徹落(luo)實(shi)“學習實(shi)踐科學發展(zhan)觀(guan)、打好(hao)哈大(da)(da)2009攻堅戰(zhan)”的(de)(de)號(hao)召，調(diao)整施(shi)工(gong)(gong)(gong)(gong)組織設計，迅(xun)速(su)開展(zhan)“大(da)(da)干100天，確(que)保(bao)主(zhu)(zhu)體工(gong)(gong)(gong)(gong)程完成”的(de)(de)勞動競賽(sai)活(huo)動，并與相關責任(ren)人簽訂(ding)“員工(gong)(gong)(gong)(gong)責任(ren)書(shu)”，明確(que)責權利(li)，充(chong)分調(diao)動每個(ge)員工(gong)(gong)(gong)(gong)的(de)(de)主(zhu)(zhu)觀(guan)能動性，確(que)保(bao)隧(sui)(sui)道(dao)(dao)(dao)(dao)節點(dian)工(gong)(gong)(gong)(gong)期穩步(bu)推進。確(que)保(bao)了(le)老虎屯(tun)隧(sui)(sui)道(dao)(dao)(dao)(dao)提(ti)前貫通，為(wei)打好(hao)提(ti)前工(gong)(gong)(gong)(gong)期施(shi)工(gong)(gong)(gong)(gong)生產攻堅戰(zhan)奠(dian)定了(le)基礎。