| 石家庄六线隧道基坑围护结构形式的比较 |
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| 引用本文： | 刘毅,杨毅秋.石家庄六线隧道基坑围护结构形式的比较[J].山西建筑,2010,36(7):294-296. |
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| 作者姓名： | 刘毅 杨毅秋 |
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| 作者单位： | 铁道第三勘察设计院集团有限公司,天津,300251 |
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| 摘 要： | 以石家庄隧道为例,通过理论计算和数值分析,选择合适的基坑围护方案,最终确定了三道预应力锚索＋两道钢支撑放坡开挖方案,指出该方案在工程进度、施工方案和结构安全等方面均满足工程要求,是经济合理的。
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| 关 键 词： | 隧道 基坑 围护结构 预应力锚索 数值分析 |
Comparison of the supporting types of foundation pit in the 6th line tunnel works of Shijiazhuang |
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| LIU Yi,YANG Yi-qiu.Comparison of the supporting types of foundation pit in the 6th line tunnel works of Shijiazhuang[J].Shanxi Architecture,2010,36(7):294-296. |
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| Authors: | LIU Yi YANG Yi-qiu |
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| Affiliation: | LIU Yi YANG Yi-qiu |
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| Abstract: | Taken Shijiazhuang tunnel as example,through theoretical calculation and numerical analysis proper foundation pit supporting scheme is selected.Step-slope excavation scheme added with three prestressed anchoring cables and two steel supports is determined ultimately.Author points out that this excavation scheme is economical and reasonable,which meet engineering requirements in engineering schedule,construction scheme,security of structure and other aspects. |
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| Keywords: | tunnel foundation pit retaining structure prestressed anchoring cable numerical analysis |
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