發布時(shi)間：2011-03-29
近日(ri)，中國鐵(tie)路工程總(zong)公司所(suo)屬中鐵(tie)三局承建的襄(xiang)渝鐵(tie)路二線ZH-11標重慶(qing)樞紐工程雙碑(bei)隧道(dao)順利貫通。
雙(shuang)碑隧道(dao)(dao)位于重(zhong)慶(qing)沙(sha)坪壩區，全長(chang)4846米(mi)，是一座由單線(xian)(xian)(xian)并為雙(shuang)線(xian)(xian)(xian)的鐵路(lu)(lu)長(chang)大隧道(dao)(dao)，是襄渝(yu)(yu)鐵路(lu)(lu)二線(xian)(xian)(xian)重(zhong)點(dian)控制工(gong)(gong)程之(zhi)一。該(gai)隧道(dao)(dao)地處(chu)低山丘陵，線(xian)(xian)(xian)路(lu)(lu)位處(chu)重(zhong)慶(qing)歌樂山烈士(shi)陵園(yuan)西部，穿越渣(zha)滓洞、中美合作所(suo)、白公(gong)館右50～90米(mi)的山體中，埋深淺(qian)且有橫向(xiang)沖(chong)溝發育，隧道(dao)(dao)巖(yan)層相當復雜，并且情況(kuang)多(duo)變(bian)，施工(gong)(gong)技術(shu)難(nan)度(du)很大。自開工(gong)(gong)建設以來，中鐵三(san)局嚴(yan)格按(an)照(zhao)整體工(gong)(gong)期(qi)(qi)目標(biao)要求，不畏艱辛，迎難(nan)而(er)上，科學組織，主動(dong)(dong)出擊，克服了征地拆遷、一類(lei)變(bian)更工(gong)(gong)期(qi)(qi)影響(xiang)、出渣(zha)運輸、通(tong)(tong)風問題等諸多(duo)困(kun)難(nan)，變(bian)被動(dong)(dong)為主動(dong)(dong)，提前實(shi)(shi)現了業主及(ji)指揮部既定工(gong)(gong)期(qi)(qi)目標(biao)，為襄渝(yu)(yu)鐵路(lu)(lu)二線(xian)(xian)(xian)重(zhong)慶(qing)樞紐實(shi)(shi)現“6.30”按(an)期(qi)(qi)開通(tong)(tong)創造(zao)了積(ji)極有利(li)的條件。