| 1×128m跨高速公路提篮拱支架优化设计 |
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| 引用本文： | 杨金成.1×128m跨高速公路提篮拱支架优化设计[J].铁道建筑技术,2011(7):27-31. |
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| 作者姓名： | 杨金成 |
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| 作者单位： | 中铁十七局集团第三工程有限公司,石家庄,050081 |
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| 摘 要： | 江宁特大桥位于南京市江宁区江宁镇,在DK021＋729处采用1×128 m提篮拱上跨宁马高速公路,高速公路车流量多,为保证现浇梁施工时不中断交通,采用贝雷梁及钢管支墩支架方案。对该支架方案进行设计,通过结构受力检算,得出所采用支架结构合理,并节约了工程成本。
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| 关 键 词： | 公路桥梁 提篮拱 贝雷梁 支架 设计 |
Optimization Design for 1 × 128 m across the Highway up Arch Supports |
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| Yang Jincheng.Optimization Design for 1 × 128 m across the Highway up Arch Supports[J].Railway Construction Technology,2011(7):27-31. |
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| Authors: | Yang Jincheng |
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| Institution: | Yang Jincheng(China Railway 17th Bureau Group Co.Ltd.,Shijiazhuang 050081,China) |
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| Abstract: | Ningma expressway characterized by heavy traffic goes over the up arch of Jiangning Super Bridge is located in Nanjing at DK021+729.To avoid traffic disturbance,the plan of Beilei beam and steel pipe stents is adopted.The structure stress evaluation shows that the stents are reasonable and can reduce the cost. |
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| Keywords: | highway bridge up arch Beilei beam stent design |
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