| 吉林市雾凇大桥混凝土自锚式悬索桥设计 |
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| 引用本文： | 张伟,唐贺强,宁伯伟.吉林市雾凇大桥混凝土自锚式悬索桥设计[J].桥梁建设,2011(3). |
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| 作者姓名： | 张伟 唐贺强 宁伯伟 |
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| 作者单位： | 中铁大桥勘测设计院有限公司,湖北武汉,430050 |
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| 摘 要： | 吉林市雾凇大桥主桥为(35+68+150+68+35)m五跨连续混凝土自锚式悬索桥,综述该桥主桥设计与计算。该桥塔梁间设置横、竖向支座和纵向阻尼器;加劲梁采用单箱三室混凝土截面,标准段梁高2.5 m,在边跨锚固段渐变至6.5 m;桥塔采用门形框架混凝土结构,高54 m,塔身及横梁均采用矩形空心截面;桥塔墩下部采用分离式承台,单个承台布置9根2.0 m钻孔灌注桩;主缆采用5.1 mm镀锌高强钢丝,吊索采用7.0 mm低松弛镀锌高强平行钢丝。设计时采用有限元软件MIDAS Civil 2006、悬索桥非线性分析软件BNLAS及SCDS平面程序对该桥进行了计算分析,结果表明该桥的各项检算均满足规范要求。
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| 关 键 词： | 自锚式悬索桥 箱形梁 桥塔 主缆 桥梁设计 结构分析 |
Design of Concrete Self-Anchored Suspension Bridge of Wusong Bridge in Jilin City |
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| ZHANG Wei,TANG He-qiang,NING Bo-wei.Design of Concrete Self-Anchored Suspension Bridge of Wusong Bridge in Jilin City[J].Bridge Construction,2011(3). |
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| Authors: | ZHANG Wei TANG He-qiang NING Bo-wei |
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| Institution: | ZHANG Wei,TANG He-qiang,NING Bo-wei(China Railway Major Bridge Reconnaissance & Design Institute Co.,Ltd.,Wuhan 430050,China) |
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| Abstract: | The main bridge of the Wusong Bridge in Jilin City is a 5-span continuous concrete self-anchored suspension bridge with span arrangement(35+68+150+68+35) m.A summarized account of the design and calculation of the main bridge is presented herewith.On the bridge,the transverse and vertical bearings and the longitudinal dampers are arranged in between the stiffening girder and towers.The girder is of a concrete 3-cell single box section,the depth of a typical segment of the girder is 2.5 m and towards the anc... |
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| Keywords: | self-anchored suspension bridge box girder tower main cable bridge design structural analysis |
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