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【湖北日報】襄陽繞城高速即將畫圓

發布時間:2022-10-11閱讀次數:

湖北日報訊 (記者戴輝、通訊員徐蕾)9月30日,襄陽繞城高速南段項目主體工程完工,計劃年內通車,屆時將與襄陽繞城高速東段、漢十高速和荊襄高速一起,形成襄陽首條外環高速路網。

襄陽繞城高速南段項目起于襄州區峪山鎮繞城高速公路東段,經鹿門山,跨漢江、207國道,在襄城區尹集與襄荊高速的南外環相連,全線總長約31.6公里,總投資27億元。

記者登上該高速控制性工程——漢江特大橋,只見瀝青路面已鋪就,橫跨襄陽東津新區三合村與襄城區莫康村。據悉,該橋全長3.78公里,寬26米,由中交二航局承建,是目前湖北跨度最大的波形鋼腹板連續箱梁橋?!安捎玫摹ㄐ武摳拱濉に囀菍摪鍓撼刹ɡ诵?,增加材料剛度,替代傳統的混凝土結構,節省水泥、混凝土等用量,減輕橋梁自重的同時,減少水下工程量,保護漢江生態?!痹擁椖控撠熑送粲陆榻B。

大橋建設克服多重難題。汪勇說,引橋樁基遇到罕見溶洞,見溶率超90%,成孔施工出現漏漿、地面塌陷等事故,加上應用波形鋼腹板新工藝,施工工序復雜。項目部成立課題組集智攻關,創新采用RW工法埋入式波腹板連續箱梁結構施工技術,提高橋梁建設進度和施工安全性。

據悉,作為湖北“十三五”高速公路網規劃中的重要組成部分,襄陽繞城高速南段不僅為襄陽新增一條過江大通道,同時助推襄陽都市圈經濟走廊拓寬、完善區域路網布局。

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