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Load transfer model and improved transition method for load-settlement curve under O-cell pile testing method
Author(s): 
Pages: 1717-1721
Year: Issue:  11
Journal: Chinese Journal of Geotechnical Engineering

Keyword:  自平衡试桩 后注浆 荷载传递模型 土体连续性 超长桩;
Abstract: 通过分析自平衡试桩数据,提出了注浆前后荷载传递函数模型。对自平衡荷载–沉降曲线转换方法中的"精确转换法"进行了改进,考虑了土体连续性对桩顶沉降的影响。通过工程实例验证了模型的合理性,进一步的分析表明:土体连续性对超长桩桩顶沉降影响较大,考虑土体连续性时的极限承载力比不考虑土体连续性时小,改进的方法偏安全。
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