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太原市集中供(gong)熱(re)陽曲熱(re)源廠長輸供(gong)熱(re)管(guan)(guan)(guan)網工(gong)程(cheng)供(gong)熱(re)管(guan)(guan)(guan)線(xian)需穿越G2003太原繞城東(dong)環高速(su)(su)公路K7+476、丈子頭(tou)互(hu)通匝道CK0+120處(chu)，供(gong)熱(re)管(guan)(guan)(guan)線(xian)為2趟設計管(guan)(guan)(guan)徑DN1400聚氨酯保溫直埋鋼(gang)(gang)(gang)管(guan)(guan)(guan)，下穿東(dong)環高速(su)(su)公路采用頂進套(tao)管(guan)(guan)(guan)施(shi)工(gong)，供(gong)熱(re)管(guan)(guan)(guan)線(xian)分(fen)別放(fang)置于套(tao)管(guan)(guan)(guan)內， K7+476處(chu)套(tao)管(guan)(guan)(guan)為DN2200Ⅲ級(ji)鋼(gang)(gang)(gang)筋混凝土鋼(gang)(gang)(gang)承口（JC/T640-2010），兩根套(tao)管(guan)(guan)(guan)管(guan)(guan)(guan)道之間(jian)中心(xin)間(jian)距(ju)7.64米(mi)(mi)，凈(jing)距(ju)5.0米(mi)(mi)，單趟長度(du)110米(mi)(mi)；丈子頭(tou)互(hu)通匝道CK0+120處(chu)套(tao)管(guan)(guan)(guan)為DN2000鋼(gang)(gang)(gang)管(guan)(guan)(guan)，根套(tao)管(guan)(guan)(guan)管(guan)(guan)(guan)道之間(jian)中心(xin)間(jian)距(ju)6.036米(mi)(mi)，凈(jing)距(ju)4.0米(mi)(mi)，單趟長度(du)120米(mi)(mi)；套(tao)管(guan)(guan)(guan)距(ju)高速(su)(su)路面豎向距(ju)離分(fen)別為9.34、6.84米(mi)(mi)，施(shi)工(gong)完(wan)畢，套(tao)管(guan)(guan)(guan)內吹砂填實。