| 南京麒麟互通匝道桥钢箱梁制作技术 |
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| 引用本文： | 王志翔. 南京麒麟互通匝道桥钢箱梁制作技术[J]. 钢结构, 2011, 0(7): 47-50 |
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| 作者姓名： | 王志翔 |
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| 作者单位： | 中铁宝桥集团扬州钢结构分公司,江苏扬州,225107 |
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| 摘 要： | 南京麒麟互通匝道桥平面曲线圆弧半径小,弧形制作线型控制难；钢葙梁为全焊结构,采用分段制作,结构焊缝多,焊接变形大.通过对钢箱梁合理的分块,不但减少焊接工作量,而且适宜公路运输,方便制作、架设；采用焊接反变形技术及火焰热矫正,解决板单元焊接变形问题；通过专用预拼装胎架、全站仪测量,较好控制了钢箱梁各分块的整体线型,在制作...
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| 关 键 词： | 匝道桥 钢箱梁 板单元 块体 预拼装 |
MANUFACTURING TECHNIQUES OF STEEL BOX GIRDER ABOUT RAMP BRIDGES IN NANJING KYLIN INTERCHANGE |
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| Wang Zhixiang. MANUFACTURING TECHNIQUES OF STEEL BOX GIRDER ABOUT RAMP BRIDGES IN NANJING KYLIN INTERCHANGE[J]. Steel Construction, 2011, 0(7): 47-50 |
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| Authors: | Wang Zhixiang |
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| Affiliation: | Wang Zhixiang(Yangzhou Steel-Construction Subsidiary of China Railway Baoji Bridge Group Co.Ltd,Yangzhou 225107,China) |
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| Abstract: | In Nanjing Kylin Interchange the plane curve radius of ramp bridge is small,to control linear arc is difficult;steel box welded structure,welding crack more segmerted production,welding deformation large.Through analysis of the steel box girder reasonable block,not only the welding work is reduced,but also road transport is appropriated,manufacture and erection is easy;using welding technology and anti-flame thermal distortion correction to solve the problem of welding deformation plate element;through a de... |
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| Keywords: | ramp bridge steel box girder plate element block pre-assembly |
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