| 鄂东长江公路大桥设计关键技术 |
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| 引用本文： | 胡明义,黄冰释,余俊林,唐守峰.鄂东长江公路大桥设计关键技术[J].桥梁建设,2011(5). |
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| 作者姓名： | 胡明义 黄冰释 余俊林 唐守峰 |
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| 作者单位： | 湖北鄂东长江公路大桥有限公司,湖北黄石,435002 |
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| 摘 要： | 鄂东长江公路大桥主桥为主跨926m的双塔双索面半飘浮体系混合梁斜拉桥,主梁采用分离式双箱PK断面形式,中跨为钢箱梁,边跨为PC箱梁,钢-混凝土结合段设于中跨距桥塔中心12.5m处。为使钢结构与混凝土结构平稳过渡,钢-混凝土结合段采用PBL剪力连接器的多格室传力构造。索塔锚固采用在塔柱内置钢锚箱的构造,为控制锚固区混凝土裂缝开展,在锚固侧混凝土塔壁内设置12фs15.24预应力束。为增强结构耐久性和使用寿命,进行钢筋混凝土耐久性及钢结构防腐设计;采用全寿命设计理念,设置桥梁各主要构件检查维护通道,提出构件检查、维护周期及更换标准、工艺及技术要求。
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| 关 键 词： | 鄂东长江公路大桥 斜拉桥 混合梁 结合段 桥梁设计 |
Key Techniques for Design of Edong Changjiang River Highway Bridge |
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| HU Ming-yi,HUANG Bing-shi,YU Jun-lin,TANG Shou-feng.Key Techniques for Design of Edong Changjiang River Highway Bridge[J].Bridge Construction,2011(5). |
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| Authors: | HU Ming-yi HUANG Bing-shi YU Jun-lin TANG Shou-feng |
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| Institution: | HU Ming-yi,HUANG Bing-shi,YU Jun-lin,TANG Shou-feng (Hubei Edong Changjiang River Highway Bridge Co.,Ltd.,Huangshi 435002,China) |
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| Abstract: | The main bridge of Edong Changjiang River Highway Bridge is a semi-floating system hybrid girder cable-stayed bridge with double pylons,double cable planes and with a main span 926 m.The main girder of the bridge was designed as the PK(Pasco-Kennewick Bridge) cross section of separated twin boxes,of which the part of the girder for the central span is of the steel box girder,the parts of the girder for the side spans are of the prestressed concrete(PC) box girders and a steel and concrete joint section was ... |
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| Keywords: | Edong Changjiang River Highway Bridge cable-stayed bridge hybrid girder joint section bridge design |
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