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摘要：
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通过重庆奉节长江大桥及重庆云万高速公路彭溪河特大桥两座斜拉桥挂篮吊装施工的对比,主要介绍了利用简易水平吊架进行大型前支点挂篮高空整体吊装的施工技术。通过两座大桥挂篮整体吊装技术的成功实施,证明了该施工技术结构受力明确,施工便捷、速度快。
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The construction technique for high altitude integral lifting of large front support point form travelers by use of simple horizontal hanger frame is introduced,through comparison of construction technique of large form travelers of two cable-stayed bridges(Chongqing Fengjie Yangtse River Bridge and Pengxi River Bridge on Chongqing Yunwan Expressway).Successful practice of integral lifting technique of large form travelers of two cable-stayed bridge shows the stressed state of structure is clear,the construction method is simple and the construction speed is faster.
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