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太原市(shi)集中供(gong)熱(re)陽(yang)曲(qu)熱(re)源(yuan)廠長輸供(gong)熱(re)管(guan)(guan)(guan)網工(gong)程供(gong)熱(re)管(guan)(guan)(guan)線需穿(chuan)越G2003太原繞城東環高(gao)(gao)速(su)(su)公路K7+476、丈子頭互通匝(za)道CK0+120處(chu)，供(gong)熱(re)管(guan)(guan)(guan)線為2趟設計管(guan)(guan)(guan)徑DN1400聚氨酯保溫直埋鋼(gang)管(guan)(guan)(guan)，下穿(chuan)東環高(gao)(gao)速(su)(su)公路采用頂進套(tao)(tao)管(guan)(guan)(guan)施(shi)工(gong)，供(gong)熱(re)管(guan)(guan)(guan)線分別放置于套(tao)(tao)管(guan)(guan)(guan)內， K7+476處(chu)套(tao)(tao)管(guan)(guan)(guan)為DN2200Ⅲ級鋼(gang)筋混(hun)凝土(tu)鋼(gang)承口（JC/T640-2010），兩根(gen)套(tao)(tao)管(guan)(guan)(guan)管(guan)(guan)(guan)道之(zhi)間(jian)中心間(jian)距(ju)(ju)(ju)(ju)7.64米，凈距(ju)(ju)(ju)(ju)5.0米，單趟長度110米；丈子頭互通匝(za)道CK0+120處(chu)套(tao)(tao)管(guan)(guan)(guan)為DN2000鋼(gang)管(guan)(guan)(guan)，根(gen)套(tao)(tao)管(guan)(guan)(guan)管(guan)(guan)(guan)道之(zhi)間(jian)中心間(jian)距(ju)(ju)(ju)(ju)6.036米，凈距(ju)(ju)(ju)(ju)4.0米，單趟長度120米；套(tao)(tao)管(guan)(guan)(guan)距(ju)(ju)(ju)(ju)高(gao)(gao)速(su)(su)路面豎向距(ju)(ju)(ju)(ju)離分別為9.34、6.84米，施(shi)工(gong)完畢(bi)，套(tao)(tao)管(guan)(guan)(guan)內吹砂填實。