| 冲孔灌注嵌岩桩在洋山石油储运一期工程中的应用 |
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| 引用本文： | 李家宏. 冲孔灌注嵌岩桩在洋山石油储运一期工程中的应用[J]. 施工技术, 2009, 38(5) |
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| 作者姓名： | 李家宏 |
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| 作者单位： | 上海宝冶建设有限公司,上海,200941 |
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| 摘 要： | 洋山石油储运一期工程处于孤岛,气象、水动力条件差,土层复杂.工程采用φ800mm冲孔灌注嵌岩桩,介绍了嵌岩成孔、检孔器检孔、终孔标准、清孔工艺及钢筋笼和混凝土施工技术.指出孔底为大块石时应采用高锤重击;孔底为海泥层时采用低锤轻击;孔底为斜岩面时采用低锤轻击并回填部分块石,必要时调整泥浆密度等特殊情况下的处理办法.经检测,494根冲孔灌注嵌岩桩成桩质量稳定、可靠,能够满足正常连续施工及设计和规范要求.
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| 关 键 词： | 桩基 冲孔灌注嵌岩桩 复杂土层 施工工艺 |
Application of Punched Rock-socketed Piles in First Stage of Yangshan Oil Storage and Transportation Project |
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| Li Jiahong. Application of Punched Rock-socketed Piles in First Stage of Yangshan Oil Storage and Transportation Project[J]. Construction Technology, 2009, 38(5) |
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| Authors: | Li Jiahong |
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| Affiliation: | Shanghai Baoye Construction Co.;Ltd.;Shanghai 200941;China |
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| Abstract: | First stage of Yangshan Oil Storage and Transportation project locates in an isolated island which has bad weather and water dynamic conditions and complicated soil layers.Punched rock-socketed piles with 800mm diameter are used in the project.Some construction technologies are introduced,such as forming holes with rock-socketed method,checking holes with hole detector,finishing holes according to standards,cleaning holes technology as well as construction technology of steel reinforcement cage and concrete... |
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| Keywords: | pile foundation punched rock-socketed pile complicated soil layer construction technology |
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