| 地铁隧道穿越桥梁桩基的托换施工技术 |
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| 引用本文： | 张燕霞,郑七振,徐前卫,马忠政. 地铁隧道穿越桥梁桩基的托换施工技术[J]. 工程建设与设计, 2009, 0(12): 112-115 |
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| 作者姓名： | 张燕霞 郑七振 徐前卫 马忠政 |
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| 作者单位： | 1. 上海理工大学,城市建设与环境工程学院,上海,200093
2. 上海申通地铁集团有限公司,上海,200010 |
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| 摘 要： | 随着城市基础设施的持续建设，地铁轨道交通呈现快速发展的趋势，但受原先城市规划的制约，新的地铁隧道在施工中将不可避免地会部分穿越既有建（构）筑物的基础。结合上海轨道交通某线路区间隧道穿越公路桥梁桩基的案例，详细介绍了桩基托换的设计要求、施工方案和主要的施工工艺流程，其方法和设计思想可为将来类似工程的设计和施工提供一定的借鉴和指导作用。
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| 关 键 词： | 盾构隧道 桥梁 桩基托换 地下工程 |
Underpinning Technology of Subway Tunnel Crossing Through Bridge Piles Foundation |
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| ZHANG Yan-xia,ZHENG Qi-zheng,XU Qian-wei,MA Zhong-zheng. Underpinning Technology of Subway Tunnel Crossing Through Bridge Piles Foundation[J]. Construction & Design for Project, 2009, 0(12): 112-115 |
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| Authors: | ZHANG Yan-xia ZHENG Qi-zheng XU Qian-wei MA Zhong-zheng |
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| Affiliation: | ZAHNG Yan-xia, ZHENG Qi-zheng, XU Qian-wei, MAZhong-zheng( 1.Department of Civil Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;2. Shanghai Shentong Metro Co., Ltd, Shanghai 200010, China) |
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| Abstract: | With the continuous construction of city infrastructure, the subway track transportation presents fast development tendency. Due to the restriction of original urban plan, it is inevitably that the new subway tunnel will partly cross through the foundation of existed building. This paper introduces the case of shield tunnel crossing through the pile foundation of road bridge in Shanghai area, especially illustrates the design demands, construction scheme and main construction procedure of pile underpinning, which can be used as guidance for other similar projects in future. |
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| Keywords: | shield tunnel bridge pile underpinning geotechnologic engineering |
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