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沅江大桥大型沉井扶正与纠倾处理方法
Method for Rightening Inclined Large Caisson of Yuanjiang River Bridge
【摘要】 常德沅江大桥正桥水中墩为浮运钢沉井基础 ,沉井下沉时 ,曾发生 N4墩沉井严重倾斜的施工事故。通过采用施加恒定水平作用力并辅以定向吸泥等方法 ,将大型特形沉井扶正。工程实例说明 ,该方法是很成功的 ,值得借鉴
【Abstract】 The foundations under in\|water piers of main spans of Yuanjiang River Bridge in Changde are of floating steel caissons.During sinking construction,the caisson of Pier No.4 once severely inclined.By way of applying constant horizontal force in aid of oriented air\|lifting method,the inclined large caisson is rightened.Example here proves that the method is successful and worthy of reference.
【关键词】 沉井;
工程事故;
事故分析;
处理方法;
【Key words】 caisson; construction accident; accident analysis; handling method;
【Key words】 caisson; construction accident; accident analysis; handling method;
- 【文献出处】 桥梁建设 ,BRIDGE CONSTRUCTION , 编辑部邮箱 ,2000年01期
- 【分类号】U443.131
- 【被引频次】11
- 【下载频次】139