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湖北日報:石首大橋邊跨合龍 主橋下月合龍沖刺年底通車

來源:湖北日報  發布時間:2019年03月11日

 

 

 

  

 

 

 

 

  3月9日,隨著最后一節鋼箱梁精準吊裝到位,石首長江公路大橋南邊跨順利合龍。至此,該橋南北邊跨全部合龍,為4月份主橋合龍和年內大橋通車奠定了堅實基礎。

  石首長江大橋全長39.7公里,是國道234“興隆-陽江”跨越長江的控制性工程,也是湖北“953”高速公路網縱五線“棗陽-石首”的過江通道,起點接潛江至石首高速公路江陵段,終點接江南高速公路,與在建的荊州長江公鐵兩用橋、洪湖至嘉魚長江大橋一道形成快速過江通道。

   

  

    據悉,石首是全省唯一地處一江兩岸卻未通長江大橋的縣級市。長期以來,兩岸群眾往來只能靠輪渡過江,過江時間至少需要1個小時,一旦遇到大霧、暴風雨等惡劣天氣,輪渡就須停航。該橋建成后,兩岸群眾過江僅需5分鐘,從武漢開車到石首也將從近4個小時縮短至2小時左右,對于優化湖北高速公路網,促進江漢平原與洞庭湖平原經濟協作與交流具有重要意義。

  省交投集團相關人士表示,該橋綜合施工難度位居世界同類橋梁前列,主橋為混合梁斜拉橋,主跨及南邊跨上構設計為鋼箱梁,單片鋼箱梁最大重量318.5噸。為確保南邊跨順利合龍,參建各方凝心聚力,合力攻堅,不斷優化施工組織設計和安全、技術方案,比原計劃提前6天完成合龍。

 

 

 

   

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