巨玉文, 梁仁旺, 白晓红, 张善元. 挤扩支盘桩承载变形特性的试验研究及承载力计算[J]. 工程力学, 2003, 20(6): 34-38.
引用本文: 巨玉文, 梁仁旺, 白晓红, 张善元. 挤扩支盘桩承载变形特性的试验研究及承载力计算[J]. 工程力学, 2003, 20(6): 34-38.
JU Yu-wen, LIANG Ren-wang, BAI Xiao-hong, ZHANG Shan-yuan. EXPERIMENTAL STUDY OF BEARING AND DEFORMATION BEHAVIOR OF SQUEEZED BRANCH PILE AND ITS BEARING CAPACITY CALCULATION[J]. Engineering Mechanics, 2003, 20(6): 34-38.
Citation: JU Yu-wen, LIANG Ren-wang, BAI Xiao-hong, ZHANG Shan-yuan. EXPERIMENTAL STUDY OF BEARING AND DEFORMATION BEHAVIOR OF SQUEEZED BRANCH PILE AND ITS BEARING CAPACITY CALCULATION[J]. Engineering Mechanics, 2003, 20(6): 34-38.

挤扩支盘桩承载变形特性的试验研究及承载力计算

EXPERIMENTAL STUDY OF BEARING AND DEFORMATION BEHAVIOR OF SQUEEZED BRANCH PILE AND ITS BEARING CAPACITY CALCULATION

  • 摘要: 根据单桩静载荷试验及桩身轴力的测试结果,深入分析了竖向荷载作用下挤扩支盘桩的荷载传递机理和变形特性;同时给出挤扩支盘桩的单桩承载力计算公式。通过分析计算,指出了支盘的承力特性具有明显的时间效应和端承性质,揭示了支盘桩高承载力和S型Q-S曲线的内涵。

     

    Abstract: Based on the results of static loading tests and measurement of axial forces, the load-transferring mechanism and deformation behavior of vertically loaded squeezed branch piles are investigated and discussed in this paper. An equation is developed to calculate the vertical bearing capacity of a single pile. The obvious time effect and end-bearing behavior of bearing disks are pointed out by means of analyses. The high bearing capacity and S-shaped Q-S curve of squeezed branch piles are highlighted.

     

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