| 武汉二七长江大桥边跨混凝土主梁施工关键技术 |
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| 引用本文： | 黄显宇. 武汉二七长江大桥边跨混凝土主梁施工关键技术[J]. 桥梁建设, 2011, 0(3) |
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| 作者姓名： | 黄显宇 |
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| 作者单位： | 中铁大桥局武汉二七长江大桥正桥工程ⅡⅢ标项目经理部,湖北武汉,430000 |
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| 摘 要： | 武汉二七长江大桥主桥为(90+160+2×616+160+90)m三塔双索面混合梁斜拉桥,其边跨90 m主梁采用混凝土边主梁断面。混凝土主梁在临时墩、贝雷梁支架上分3段现浇施工。为保证施工安全,现浇支架上部采取贝雷梁桁架结构,设置8个临时墩,同时对支架进行全过程的监控。施工中采用专用支架确保了主梁索道管精确定位;利用千斤顶对钢-混凝土结合段钢梁精确定位,并采取防裂措施保证了混凝土浇筑质量。
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| 关 键 词： | 武汉二七长江大桥 斜拉桥 混合梁 钢-混凝土结合段 桥梁施工 |
Key Techniques for Construction of Concrete Main Girder for Side Spans of Erqi Changjiang River Bridge in Wuhan |
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| HUANG Xian-yu. Key Techniques for Construction of Concrete Main Girder for Side Spans of Erqi Changjiang River Bridge in Wuhan[J]. Bridge Construction, 2011, 0(3) |
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| Authors: | HUANG Xian-yu |
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| Affiliation: | HUANG Xian-yu(Section of Contract III,Construction Project II of Main Bridge of Wuhan Erqi Changjiang RiverBridge,China Railway Major Bridge Engineering Group Co.,Ltd.,Wuhan 430000,China) |
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| Abstract: | |
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| Keywords: | Erqi Changjiang River Bridge in Wuhan cable-stayed bridge hybrid girder steel and concrete joint section bridge construction |
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