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　　6月30日(ri)16:00，中國鐵路工(gong)(gong)(gong)程(cheng)總公司所屬(shu)的中鐵隧道集(ji)團施工(gong)(gong)(gong)的渝懷鐵路圓梁山隧道正洞2#溶(rong)洞段襯砌施工(gong)(gong)(gong)全面完成(cheng)，標志著(zhu)圓梁山隧道這一世界性(xing)技術難(nan)題得到(dao)了(le)解決(jue)。

　　圓梁山隧道(dao)(dao)全長11.07km，是渝(yu)懷鐵(tie)(tie)(tie)(tie)路最(zui)長的(de)(de)(de)隧道(dao)(dao)，具有(you)高壓富(fu)水、溶(rong)洞、煤層瓦斯、高地(di)應力等異常惡(e)劣(lie)的(de)(de)(de)地(di)質(zhi)(zhi)條(tiao)(tiao)件(jian)，尤其是2#溶(rong)洞地(di)段(duan)最(zui)為(wei)(wei)(wei)復(fu)雜，被(bei)專(zhuan)家(jia)稱為(wei)(wei)(wei)“國(guo)(guo)內外罕(han)見(jian)，具有(you)挑(tiao)戰性(xing)(xing)的(de)(de)(de)技(ji)(ji)術(shu)難題(ti)(ti)”，受到鐵(tie)(tie)(tie)(tie)道(dao)(dao)部、總公司及(ji)各方(fang)的(de)(de)(de)極大(da)(da)關注。2001年3月開始進(jin)(jin)洞施(shi)工(gong)，自(zi)2002年4月23日發生第(di)一次特大(da)(da)規模(mo)突(tu)水涌(yong)砂后，地(di)質(zhi)(zhi)災(zai)害(hai)不斷(duan)，施(shi)工(gong)極其困難。為(wei)(wei)(wei)按期建(jian)成圓梁山隧道(dao)(dao)，確保(bao)渝(yu)懷鐵(tie)(tie)(tie)(tie)路如期運營，中(zhong)鐵(tie)(tie)(tie)(tie)隧道(dao)(dao)集團迎難而上，堅(jian)(jian)定不移地(di)認真貫(guan)徹各級組織(zhi)和領導的(de)(de)(de)指示，認真配合設計和監理單(dan)位，勇(yong)挑(tiao)重擔，全力以赴，千方(fang)百計，不懈進(jin)(jin)取。積極組織(zhi)國(guo)(guo)內知名(ming)專(zhuan)家(jia)研(yan)究對策，開展科(ke)研(yan)攻關。充分(fen)發揮集團設計、施(shi)工(gong)、科(ke)研(yan)一體(ti)化(hua)優(you)勢(shi)，堅(jian)(jian)持(chi)以科(ke)技(ji)(ji)為(wei)(wei)(wei)先導，采(cai)用(yong)超前(qian)地(di)質(zhi)(zhi)預(yu)報準確探明地(di)質(zhi)(zhi)，適(shi)時優(you)化(hua)施(shi)組。參建(jian)將士大(da)(da)力發揚(yang)大(da)(da)無畏的(de)(de)(de)英雄氣概，與險惡(e)的(de)(de)(de)地(di)質(zhi)(zhi)條(tiao)(tiao)件(jian)頑強抗爭，先后通(tong)(tong)過1#、2#迂回導坑(keng)貫(guan)通(tong)(tong)實現(xian)了(le)對2#、3#溶(rong)洞進(jin)(jin)行分(fen)割處理的(de)(de)(de)戰略構想(xiang)；通(tong)(tong)過采(cai)用(yong)帷幕注漿、泄水洞排水降壓等技(ji)(ji)術(shu)措施(shi)先后實現(xian)了(le)正洞、平導3#溶(rong)洞段(duan)及(ji)平導2#溶(rong)洞段(duan)勝利貫(guan)通(tong)(tong)，最(zui)終順利完成了(le)2#溶(rong)洞段(duan)襯砌施(shi)工(gong)，攻克了(le)圓梁山隧道(dao)(dao)這一世界(jie)性(xing)(xing)技(ji)(ji)術(shu)難題(ti)(ti)，為(wei)(wei)(wei)中(zhong)國(guo)(guo)鐵(tie)(tie)(tie)(tie)路工(gong)程(cheng)總公司爭得了(le)榮譽，沒有(you)辜(gu)負鐵(tie)(tie)(tie)(tie)道(dao)(dao)部建(jian)設司和工(gong)管中(zhong)心的(de)(de)(de)信任和重托。