| 天津富民桥3号锚碇深基坑施工技术 |
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| 引用本文： | 杨程,卢士鹏,董淼燚,闵振寰.天津富民桥3号锚碇深基坑施工技术[J].桥梁建设,2008(5). |
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| 作者姓名： | 杨程 卢士鹏 董淼燚 闵振寰 |
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| 作者单位： | 天津城建集团工程总承包公司,天津,300211 |
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| 摘 要： | 天津富民桥主桥为单塔空间索面自锚式悬索桥.主桥边跨3号锚碇为预应力混凝土重力式锚碇,采用深9.9 m的圆形基坑施工.主要介绍3号锚碇圆形深基坑的施工技术,特别是SMW工法在圆形无支撑围护结构施工中的应用.
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| 关 键 词： | 悬索桥 锚碇 基坑 围护结构 SMW工法 |
Construction Techniques for Deep Foundation Pit of Anchorage No.3 of Fumin Bridge in Tianjin |
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| YANG Cheng,LU Shi-peng,DONG Miao-yi,MIN Zhen-huan.Construction Techniques for Deep Foundation Pit of Anchorage No.3 of Fumin Bridge in Tianjin[J].Bridge Construction,2008(5). |
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| Authors: | YANG Cheng LU Shi-peng DONG Miao-yi MIN Zhen-huan |
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| Institution: | YANG Cheng,LU Shi-peng,DONG Miao-yi,MIN Zhen-huan(Construction Project General Contracting Company,Tianjin Urban Construction Group,Tianjin 300211,China) |
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| Abstract: | The main bridge of Fumin Bridge in Tianjin is a single tower and spatial cable plane self-anchored suspension bridge and the Anchorage No.3 at the side span of the bridge is a prestressed concrete gravity anchorage that was built in the 9.9 m deep round foundation pit.This paper mainly presents the construction techniques for the foundation pit,particularly the application of the SMW working method to the construction of the pit without utilization of the surrounding support protection structure. |
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| Keywords: | suspension bridge anchorage foundation pit surroundedly protected structure SMW working method |
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