| 海鸥式钢箱拱桥设计关键技术 |
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| 引用本文： | 曹发辉,郑旭峰,梁健.海鸥式钢箱拱桥设计关键技术[J].城市道桥与防洪,2021(1):71-74，96. |
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| 作者姓名： | 曹发辉 郑旭峰 梁健 |
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| 作者单位： | 四川省公路规划勘察设计研究院有限公司,四川成都610041;四川省公路规划勘察设计研究院有限公司,四川成都610041;四川省公路规划勘察设计研究院有限公司,四川成都610041 |
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| 摘 要： | 柳州广雅大桥主桥采用跨径63 m+2×210 m+63 m的海鸥式钢箱拱桥,结构体系采用刚架系杆拱桥,有别于常规拱桥,拱肋之间未设横撑并设置了副拱,凸显组合体系拱桥的特色及受力复杂性。从结构设计构造及关键技术等方面详细介绍了该桥的设计思路和特点。
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| 关 键 词： | 钢箱拱 三角刚架 刚架系杆拱 组合体系 稳定 |
| 收稿时间： | 2020/5/5 0:00:00 |
Key Design Technology of Seagull-type Steel Box Arch Bridge |
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| CAO Fahui,ZHENG Xufeng,LIANG Jian.Key Design Technology of Seagull-type Steel Box Arch Bridge[J].Urban Roads Bridges & Flood Control,2021(1):71-74，96. |
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| Authors: | CAO Fahui ZHENG Xufeng LIANG Jian |
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| Abstract: | The main bridge of Liuzhou Guangya Bridge is a span (63 m+2×210 m+63 m) seagull-type steel box arch bridge. The rigid frame bowstring arch bridge is adopted for its structural system, and is different from the conventional arch bridges. There are no transverse supports between the arch ribs and the auxiliary arches are set up, which highlights the features and stress complexity of composite system arch bridge. The design idea and characteristics of this bridge are introduced in detain from the structural design construction and key technologies. |
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| Keywords: | steel box arch triangle rigid frame rigid frame bowstring arch composite system stability |
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