| 无传统换撑条件下的深基坑支护工程 |
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| 引用本文： | 潘德来,陈跃.无传统换撑条件下的深基坑支护工程[J].探矿工程,2009,36(12):43-46. |
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| 作者姓名： | 潘德来 陈跃 |
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| 作者单位： | 浙江省地质矿产工程公司,浙江杭州310016 |
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| 摘 要： | 通过工程实例，介绍了在无传统换撑（即地下一层楼板）条件下的一种换撑方案，即采用一排钻孔灌注桩作为挡土结构，坑内设置2道钢筋混凝土内支撑，钻孔灌注桩外侧设置2排深层水泥搅拌桩作止水帷幕，同时可防止淤泥挤入。实际开挖证明该换撑做法是安全、可靠的。
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| 关 键 词： | 深基坑支护 换撑 墙板外侧边柱 先行回填土 |
| 收稿时间： | 2009/7/6 0:00:00 |
| 修稿时间： | 2009/7/6 0:00:00 |
Deep Excavation Supporting Engineering without Traditional Support Replacement Condition |
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| PAN De-lai and CHEN Yue.Deep Excavation Supporting Engineering without Traditional Support Replacement Condition[J].Exploration Engineering(Drilling & Tunneling),2009,36(12):43-46. |
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| Authors: | PAN De-lai and CHEN Yue |
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| Institution: | (Zhejiang Provincial Geology and Mineral Resources Engineering Company, Hangzhou Zhejiang 310016, China) |
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| Abstract: | With an engineering case, the paper introduced a new support replacement plan when there is no condition for traditional support replacement construction. A row of bored cast-in-place piles are taken as retaining structure, 2 lines of steel concrete inner support in the excavation, 2 rows of deep cement mixing pile outside the piles as water-stop curtain which can prevent silt to get in. It is proved that this support replacement is safe and reliable. |
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| Keywords: | deep excavation supporting support replacement edge column outside wallboard pre-soil backfill |
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