文章來源:中(zhong)國鐵路工程總公司 發布時(shi)間:2011-04-09
近日,中國鐵路工程總公司所屬中鐵隧道集團承建的錢塘江首條穿江隧道——杭州慶春路過江隧道全線貫通。
慶春路過(guo)江(jiang)隧道(dao)作(zuo)為“錢(qian)(qian)江(jiang)第一隧”, 是(shi)首條橫(heng)貫錢(qian)(qian)塘江(jiang)的(de)過(guo)江(jiang)隧道(dao),位于錢(qian)(qian)塘江(jiang)三(san)橋下游2.3公里處,工(gong)(gong)程全(quan)長5352米,工(gong)(gong)程采用(yong)盾(dun)(dun)構施(shi)(shi)(shi)工(gong)(gong)穿(chuan)越(yue)錢(qian)(qian)塘江(jiang),總投(tou)資19.5億元。建成(cheng)后可連接(jie)起錢(qian)(qian)江(jiang)新城和對(dui)岸蕭(xiao)山的(de)錢(qian)(qian)江(jiang)世紀城,對(dui)推動杭州(zhou)市的(de)經濟發展(zhan)有著重要的(de)歷史意義(yi),是(shi)杭州(zhou)市第一個采用(yong)BOT 模式建設的(de)城市基礎(chu)設施(shi)(shi)(shi)項(xiang)目。自(zi)開工(gong)(gong)以來(lai),參建項(xiang)目部科學組織施(shi)(shi)(shi)工(gong)(gong),嚴格施(shi)(shi)(shi)工(gong)(gong)工(gong)(gong)序,狠(hen)抓(zhua)安全(quan)質量,先后克服了穿(chuan)越(yue)江(jiang)南(nan)800mm厚混凝土墻、地下高(gao)承壓水(shui)、2009年中秋節錢(qian)(qian)江(jiang)世紀大潮、盾(dun)(dun)構穿(chuan)越(yue)多種地層、掘進(jin)受(shou)力不(bu)均(jun)勻、大斷面獨頭掘進(jin)、盾(dun)(dun)構施(shi)(shi)(shi)工(gong)(gong)中高(gao)氣壓下進(jin)艙檢修等諸多困難(nan),最終順利(li)完成(cheng)了工(gong)(gong)程任務。