文(wen)章來源(yuan)：上海國資委 發布(bu)時間(jian)：2012-04-07
由(you)上(shang)海建(jian)(jian)(jian)工(gong)集團總(zong)承(cheng)包(bao)承(cheng)建(jian)(jian)(jian)的金(jin)(jin)山鐵(tie)(tie)路(lu)(lu)(lu)改(gai)建(jian)(jian)(jian)工(gong)程(cheng),其中(zhong)的黃浦(pu)江特大橋主橋工(gong)程(cheng)近(jin)日成(cheng)功(gong)實現(xian)(xian)南北貫通。該線(xian)(xian)路(lu)(lu)(lu)從上(shang)海南站至金(jin)(jin)山客站,全(quan)長(chang)56.4公里(li),建(jian)(jian)(jian)成(cheng)后將成(cheng)為(wei)上(shang)海市中(zhong)心城(cheng)區連接金(jin)(jin)山區的一條快速鐵(tie)(tie)路(lu)(lu)(lu),又(you)稱上(shang)海市域快速軌道(dao)交通22號線(xian)(xian)。金(jin)(jin)山鐵(tie)(tie)路(lu)(lu)(lu)改(gai)建(jian)(jian)(jian)工(gong)程(cheng)黃浦(pu)江特大橋主橋及引橋全(quan)長(chang)3.5公里(li),主橋為(wei)4孔跨徑112米的簡支鋼(gang)桁架(jia)雙線(xian)(xian)鐵(tie)(tie)路(lu)(lu)(lu)橋,全(quan)長(chang)456米,鉆孔樁基礎,鋼(gang)桁梁總(zong)用鋼(gang)量8000多噸(dun),高(gao)強螺栓21萬余套。上(shang)海建(jian)(jian)(jian)工(gong)基礎公司先后攻克了深水(shui)墩臺施(shi)工(gong)、鋼(gang)桁梁懸臂拼裝(zhuang)等技術(shu)難題及臨近(jin)鐵(tie)(tie)路(lu)(lu)(lu)既有線(xian)(xian)施(shi)工(gong)與(yu)繁忙航道(dao)水(shui)上(shang)作業(ye)等困難,終于如期實現(xian)(xian)主橋貫通,為(wei)年內實現(xian)(xian)金(jin)(jin)山鐵(tie)(tie)路(lu)(lu)(lu)全(quan)線(xian)(xian)通車奠定了基礎。