| 无填料振冲法处理新近吹填粉细砂地基的工程应用 |
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| 引用本文： | 肖黎明,刘兴,徐阳,牛国生.无填料振冲法处理新近吹填粉细砂地基的工程应用[J].探矿工程,2012,39(2):56-59. |
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| 作者姓名： | 肖黎明 刘兴 徐阳 牛国生 |
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| 作者单位： | 北京振冲工程股份有限公司,北京100102 |
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| 摘 要： | 唐山港曹妃甸港区煤码头二期（新近吹填区域）采用无填料振冲施工工艺对粉细砂地基进行处理,消除了地基液化,提高了承载力,减小长期地基变形。在大面积施工前,采取不同桩间距（2.2、2.5 m）进行试验,用标准贯入法检测,分析其地基承载力及液化消除情况,对大面积施工提供参考数据。
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| 关 键 词： | 粉细砂地基 无填料振冲 地基承载力 地基液化 |
| 收稿时间： | 2011/10/10 0:00:00 |
| 修稿时间： | 2011/11/9 0:00:00 |
Application of Vibroflotation without Additional Backfill Materials in Treatment on Fine Silt Foundation of Recent Hydraulic Fill/ |
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| XIAO Li-ming,LIU Xing,XU Yang and NIU Guo-sheng.Application of Vibroflotation without Additional Backfill Materials in Treatment on Fine Silt Foundation of Recent Hydraulic Fill/[J].Exploration Engineering(Drilling & Tunneling),2012,39(2):56-59. |
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| Authors: | XIAO Li-ming LIU Xing XU Yang and NIU Guo-sheng |
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| Institution: | (Beijing Vibroflotation Engineering Co.,Ltd.,Beijing 100102,China) |
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| Abstract: | The fine silt foundation was treated with vibroflotation without additional backfill materials in coal terminal phase II（recent hydraulic fill area） of Caofeidian port area,Tangshan Port,the ground liquefaction was eliminated,the bearing capacity was improved and long-term foundation deformation was decreased.Before the large-scale construction,the tests were made in different pile spacing（2.2 and 2.5 m）,the detection was made by standard penetration method and the bearing capacity of foundation and liquefaction removing situation were analyzed to provide the reference data for large-scale construction. |
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| Keywords: | fine silt foundation vibroflotation without additional backfill materials bearing capacity of foundation ground liquefaction |
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