| 深圳湾体育中心Q460GJD钢现场焊接技术 |
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| 引用本文： | 温小勇,唐齐超,潘晓峰,郭建辉,徐业明.深圳湾体育中心Q460GJD钢现场焊接技术[J].钢结构,2012,27(9):64-67. |
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| 作者姓名： | 温小勇 唐齐超 潘晓峰 郭建辉 徐业明 |
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| 作者单位： | 深圳建升和钢结构建筑安装工程有限公司,广东深圳,518057 |
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| 基金项目： | 中建股份科技研发课题(CSCEC-2010-Z-20) |
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| 摘 要： | 深圳湾体育中心主场馆钢屋盖为单层空间变曲面弯扭斜交网格结构,工程跨度大、结构体系复杂,在关键部位采用特殊钢种Q460GJD,且存在高空全位置焊接和大直径厚壁圆管的相贯焊接。在对工程特点认真分析和对Q460GJD钢焊接进行多次试验的基础上,选择匹配的焊材、优化焊接工艺、进行合理施焊、重点防护和有效控制,最终成功完成Q460GJD钢的现场焊接施工,经检验焊缝全部合格。
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| 关 键 词： | 大跨度 Q460GJD 弯扭构件 高空焊接 |
Q460GJD STEEL WELDING TECHNIQUE OF SHENZHEN BAY SPORTS CENTER |
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| Wen Xiaoyong
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Tang Qichao
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Pan Xiaofeng
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Guo Jianhui
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Xu Yeming.Q460GJD STEEL WELDING TECHNIQUE OF SHENZHEN BAY SPORTS CENTER[J].Steel Construction,2012,27(9):64-67. |
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| Authors: | Wen Xiaoyong Tang Qichao Pan Xiaofeng Guo Jianhui Xu Yeming |
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| Affiliation: | Wen Xiaoyong Tang Qichao Pan Xiaofeng Guo Jianhui Xu Yeming(Shenzhen Jianshenghe Steel Structure Co.Ltd,Shenzhen 518057,China) |
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| Abstract: | The steel roof of Shenzhen Bay Sports Center is designed as bending-torisonal grid structure with spatial changing surface.Because of the large span,complex structural systems,the special steel Q460GJD was used in key parts and there is a high-altitude all-position welding and large-diameter welding to thick-walled tube of the intersection.In a careful analysis of project characteristics and on the basis of multiple tests of Q460GJD welding,selecting welding consumables,welding process optimization,reasonable welding,key protection and effective control have been done.Finally,Q460GJD site welding have been finished successfully and all testing were qualified. |
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| Keywords: | large span Q460GJD steel bending and torsion components welding at high altitude |
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