| 原创型根式基础关键施工工艺 |
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| 引用本文： | 霰建平,欧阳祖亮,米长江,杨敏,钟宇伟.原创型根式基础关键施工工艺[J].世界桥梁,2009(2). |
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| 作者姓名： | 霰建平 欧阳祖亮 米长江 杨敏 钟宇伟 |
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| 作者单位： | 中交二公局第五工程有限公司,陕西,西安,710119 |
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| 摘 要： | 根式基础是一种创新型基础形式,是在沉井井壁预留顶推孔,待沉井下沉到设计标高后,将预制好的根键顶入土中,在保证根键与沉井固结后形成的一种仿生基础.主要介绍马鞍山长江公路大桥根式基础关键施工环节的施工工艺,包括轻型根式沉井下沉方法、根键的顶推成套装置、根键顶推的工艺、根键顶推过程的止水等.
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| 关 键 词： | 桥梁基础 根式基础 施工工艺 |
Key Construction Technology for Originally Innovated Root Type Caisson Foundation |
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| XIAN Jian-ping,Ouyang Zu-liang,MI Chang-jiang,YANG Min,ZHONG Yu-wei.Key Construction Technology for Originally Innovated Root Type Caisson Foundation[J].World Bridges,2009(2). |
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| Authors: | XIAN Jian-ping Ouyang Zu-liang MI Chang-jiang YANG Min ZHONG Yu-wei |
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| Abstract: | The root type caisson foundation is a sort of originally innovated foundation.The principle of the foundation is to prereserve holes in the walls of the caisson and the prefabricated root studs will be then jacked through the holes into the soil outside the caisson after the caisson is sunk to its designed elevation.In case that the studs are rigidly fixed with the caisson,the caisson will become a so-called bionic foundation.This paper mainly describes the key construction technology for various constructi... |
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| Keywords: | bridge foundation root type caisson foundation construction technology |
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