文章來源：中國(guo)鐵路(lu)工程總(zong)公司(si) 發布時間：2010-06-11
6月2日，北京地鐵四號線竣工驗收動員會在中鐵隧道集團19標召開。
會(hui)議(yi)要求(qiu)確(que)保6月(yue)20日(ri)試運行，9月(yue)底正式(shi)通(tong)車(che)。北京(jing)地(di)鐵四號線(xian)南起豐臺馬家樓(lou)，北至海淀(dian)(dian)區(qu)(qu)(qu)(qu)龍背村，線(xian)路穿越豐臺、宣武、西城、海淀(dian)(dian)四個行政區(qu)(qu)(qu)(qu)，正線(xian)全(quan)長28公(gong)里，共設24個車(che)站(zhan)(zhan)(zhan)，是(shi)北京(jing)市軌道(dao)交通(tong)網(wang)中(zhong)的骨(gu)干線(xian)路。中(zhong)鐵隧道(dao)集團承擔19標施工(gong)任務(wu)，包(bao)括頤(yi)和(he)園站(zhan)(zhan)(zhan)、圓明(ming)園站(zhan)(zhan)(zhan)兩(liang)個車(che)站(zhan)(zhan)(zhan)工(gong)程(cheng)以及頤(yi)和(he)園站(zhan)(zhan)(zhan)～圓明(ming)園站(zhan)(zhan)(zhan)、圓明(ming)園站(zhan)(zhan)(zhan)～成(cheng)府路站(zhan)(zhan)(zhan)兩(liang)個區(qu)(qu)(qu)(qu)間盾構(gou)工(gong)程(cheng)。頤(yi)和(he)園站(zhan)(zhan)(zhan)－圓明(ming)園站(zhan)(zhan)(zhan)區(qu)(qu)(qu)(qu)間長3032單線(xian)延米(mi)(mi)，包(bao)括三(san)個聯絡(luo)通(tong)道(dao)、一個泵站(zhan)(zhan)(zhan)及一個風道(dao)。圓明(ming)園站(zhan)(zhan)(zhan)－成(cheng)府路站(zhan)(zhan)(zhan)區(qu)(qu)(qu)(qu)間長2040.451單線(xian)延米(mi)(mi)，包(bao)括兩(liang)個聯絡(luo)通(tong)道(dao)和(he)一個泵站(zhan)(zhan)(zhan)。在盾構(gou)掘進施工(gong)過程(cheng)中(zhong)，中(zhong)鐵隧道(dao)集團刷新了(le)盾構(gou)掘進全(quan)國(guo)紀錄，實現(xian)了(le)盾構(gou)月(yue)掘進471環(huan)565.2米(mi)(mi)，出色地(di)完成(cheng)了(le)各項施工(gong)任務(wu)。