| 大跨T型梁的起拱与侧弯控制技术 |
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| 引用本文： | 石险峰.大跨T型梁的起拱与侧弯控制技术[J].铁道建筑技术,2012(8):31-33,58. |
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| 作者姓名： | 石险峰 |
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| 作者单位： | 中国铁建十五局集团西北工程有限公司,西安,710048 |
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| 摘 要： | 以天津集疏港公路二期中段工程海河大桥为例,分析了50.2 m T型梁在张拉过程中产生起拱及侧弯过大的原因,提出了合理的控制方法,使大跨T梁的起拱和侧弯值满足规范要求。
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| 关 键 词： | T型梁 起拱 侧弯 力学分析 施工因素 |
Control Techniques on Arch Raise and Side Bend of Large T-type Girder |
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| Shi Xianfeng.Control Techniques on Arch Raise and Side Bend of Large T-type Girder[J].Railway Construction Technology,2012(8):31-33,58. |
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| Authors: | Shi Xianfeng |
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| Institution: | Shi Xianfeng (China Railway 15th Bureau Group Co. Ltd. , Xi＇an 710048, China) |
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| Abstract: | Based on Haihe Large Sridge of middle Section II of Tianjing-Jishu Port Highway Project, the paper analyzes the reasons behind arch raising and sharp side bend during tensioning of 50.2 m long T-type girder and proposes proper control methods to enable the arch raise and side bend of such girder to meet the specifications. |
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| Keywords: | T-type girder arch raising side bend mechanical analysis construction factors |
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