| T形沉井基础施工关键技术 |
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| 引用本文： | 于鸿泽.T形沉井基础施工关键技术[J].铁道建筑技术,2012(6):116-118. |
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| 作者姓名： | 于鸿泽 |
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| 作者单位： | 中交隧道局（天津）第五工程有限公司,天津,300162 |
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| 摘 要： | 沉井基础施工技术在道路交通、房屋建筑施工中经常被采用。但异形沉井基础并不多见,不仅开挖复杂,而且技术难度大。结合国道107线郑州段改建工程泵站施工中应用沉井基础施工技术的成功实践,介绍沉井基础的施工方法、施工工艺和所遇问题的处理方法,为类似工程施工提供有益借鉴。
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| 关 键 词： | 沉井基础 管井降水 下沉 封底 施工方法 |
Key Construction Technologies of T-type Caisson Foundation |
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| Yu Hongze.Key Construction Technologies of T-type Caisson Foundation[J].Railway Construction Technology,2012(6):116-118. |
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| Authors: | Yu Hongze |
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| Institution: | Yu Hongze(The 5th Engineering Bureau Co.Ltd.of China Communications Tunnel Engineering Bureau,Tianjin 300162,China) |
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| Abstract: | Construction technologies for caisson foundation are frequently used in construction of highway and buildings.However,there are few caisson foundations similar to flat surfaces mentioned in this paper,not only comparatively sophisticated in excavation construction,but also rather difficult for some techniques.Combined with the successful practice in transformation construction of Zhengzhou section on National Road No.107 with the construction of caisson foundation,this paper makes an exploration for the construction methods and crafts,as well as the specific treatments for frequent questions,providing useful references for similar engineering construction. |
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| Keywords: | caisson foundation tubular well dewatering subsidence seal the bottom construction methods |
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