| 冻土地区既有隧道上地铁车站深基坑工程实践 |
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| 引用本文： | 孙建军.冻土地区既有隧道上地铁车站深基坑工程实践[J].地下工程与隧道,2011(3):14-18,56. |
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| 作者姓名： | 孙建军 |
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| 作者单位： | 上海市隧道工程轨道交通设计研究院; |
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| 摘 要： | 结合哈尔滨市地铁1号线龙江街站深基坑工程的特点，详细介绍了在冻土和既有人防隧道段中实施深基坑的设计思路和实践经验，并分析了冻胀力对围护桩的影响。对在冻土地区进行基坑围护设计和施工，以及对基坑内既有构筑物处理方面的设计实践进行了总结。
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| 关 键 词： | 地铁车站 深基坑 冻土 围护桩 人工挖孔桩 既有隧道处理 |
Deep Excavation of Metro Station through Existing Tunnel in Frozen Soil Area |
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| Sun Jianjun.Deep Excavation of Metro Station through Existing Tunnel in Frozen Soil Area[J].Underground Engineering and Tunnels,2011(3):14-18,56. |
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| Authors: | Sun Jianjun |
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| Institution: | Sun Jianjun |
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| Abstract: | Combining with the characteristics of the deep excavation at Longjiang Street Station of Harbin Metro Line 1,it introduces the design idea and practical experience of implementing deep excavation through an existing civil defense tunnel in frozen soil;and analyzes the impact of frost heaving force on the retaining pile.The design and construction of retaining structure of excavation pit in frozen soil area,and the design of removal of the existing structures within excavation pit are summarized. |
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