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太原市集中供(gong)(gong)熱(re)(re)(re)陽曲熱(re)(re)(re)源廠(chang)長輸供(gong)(gong)熱(re)(re)(re)管(guan)網工(gong)程供(gong)(gong)熱(re)(re)(re)管(guan)線需穿(chuan)越G2003太原繞城東環高(gao)速(su)(su)公路K7+476、丈子頭(tou)互(hu)通匝道(dao)(dao)CK0+120處，供(gong)(gong)熱(re)(re)(re)管(guan)線為2趟設計管(guan)徑DN1400聚氨酯保溫直埋鋼管(guan)，下穿(chuan)東環高(gao)速(su)(su)公路采(cai)用頂進套(tao)管(guan)施工(gong)，供(gong)(gong)熱(re)(re)(re)管(guan)線分(fen)(fen)別放(fang)置于(yu)套(tao)管(guan)內(nei)， K7+476處套(tao)管(guan)為DN2200Ⅲ級(ji)鋼筋(jin)混凝(ning)土鋼承口（JC/T640-2010），兩(liang)根套(tao)管(guan)管(guan)道(dao)(dao)之(zhi)間(jian)中心間(jian)距(ju)7.64米(mi)(mi)，凈距(ju)5.0米(mi)(mi)，單(dan)趟長度110米(mi)(mi)；丈子頭(tou)互(hu)通匝道(dao)(dao)CK0+120處套(tao)管(guan)為DN2000鋼管(guan)，根套(tao)管(guan)管(guan)道(dao)(dao)之(zhi)間(jian)中心間(jian)距(ju)6.036米(mi)(mi)，凈距(ju)4.0米(mi)(mi)，單(dan)趟長度120米(mi)(mi)；套(tao)管(guan)距(ju)高(gao)速(su)(su)路面豎向距(ju)離分(fen)(fen)別為9.34、6.84米(mi)(mi)，施工(gong)完畢，套(tao)管(guan)內(nei)吹砂填(tian)實。