- 摘 要
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熊海豐1，裘 濤2，周曉悅1
(1 浙江工業(yè)大學建筑規(guī)劃設(shè)計研究院，杭州310014; 2 浙江大學建筑設(shè)計研究院，杭州310027)[摘要] 針對某高層建筑項目在預應(yīng)力管樁施工中出現(xiàn)大量浮樁的現(xiàn)象，分析了浮樁的上浮規(guī)律和影響因素，并總結(jié)了浮樁的處理原則。通過對浮樁進行注漿加固及靜載荷試驗，結(jié)果表明：樁端后注漿法是一種處理管樁浮樁的有效工程措施。
[關(guān)鍵詞] 軟土地基；管樁；浮樁；注漿加固Study on the reinforcement method of prestressed pipe pile floating in deep and thick soft soil foundation
Xiong Haifeng1, Qiu Tao2, Zhou Xiaoyue1
(1 The Architectural and Planning Design and Research Institute ofZhejiang University of Technology, Hangzhou 310014, China; 2 Architectural Design&Research Institute, Zhejiang University, Hangzhou 310027, China)Abstract: Aimed at the phenomena of prestressed pipe piles floating in construction of a high-rise building, the regular pattern and influence factors ofpiles floating have been studied. And some principles of the treatment have been summed up. The test of grouting reinforcement and static loading of floating pipe piles were conducted. The results indicate that pile end post-grouting technique is an effective engineermg measure to treat pipe pile floating.
Keywords: soft soil foundation; pipe pile; floating pile; grouting reinforcement
