刘尊平, 朱金泰. 2007: 碎石类土层中大直径刚性桩复合地基的设计与施工. 工程地质学报, 15(S1): 658-661.
    引用本文: 刘尊平, 朱金泰. 2007: 碎石类土层中大直径刚性桩复合地基的设计与施工. 工程地质学报, 15(S1): 658-661.
    LIU Zunping, ZHU Jintai. 2007: DESIGN AND CONSTRUCTION FOR LARGE DIAMETER RIGID PILE COMPOSITE GROUND IN GRAVEL SOIL. JOURNAL OF ENGINEERING GEOLOGY, 15(S1): 658-661.
    Citation: LIU Zunping, ZHU Jintai. 2007: DESIGN AND CONSTRUCTION FOR LARGE DIAMETER RIGID PILE COMPOSITE GROUND IN GRAVEL SOIL. JOURNAL OF ENGINEERING GEOLOGY, 15(S1): 658-661.

    碎石类土层中大直径刚性桩复合地基的设计与施工

    DESIGN AND CONSTRUCTION FOR LARGE DIAMETER RIGID PILE COMPOSITE GROUND IN GRAVEL SOIL

    • 摘要: 刚性桩复合地基主要用来提高天然地基强度,调整并控制地基在受载条件下变形。对于不均匀地基中采用刚性桩复合地基调整地基变形有着十分重要的意义。碎石类土中不等厚软弱夹层造成的不均匀地基,采用常规施工工艺进行CFG桩复合地基施工不宜操作,因此改良成大直径刚性桩复合地基。现行规范对CFG桩直径范围值的界定使复合地基的单桩直径对此有所突破,本文工程案例成功地实施了该条件下的设计与施工,复合地基验收效果良好。

       

      Abstract: The code don't prescribe specially for large diameter rigid pile composite ground in gravel soil, The engineer case in this paper successfully put its design and construction for this condition in practice, and helpful to direct the similar project in some degree.

       

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