| 挤扩支盘桩承载变形特性的试验研究及承载力计算 |
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| 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. |
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| 作者姓名： | 巨玉文 梁仁旺 白晓红 张善元 |
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| 作者单位： | 太原理工大学土木工程系,太原,030024;太原理工大学土木工程系,太原,030024;太原理工大学土木工程系,太原,030024;太原理工大学土木工程系,太原,030024 |
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| 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。
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| 关 键 词： | 挤扩支盘桩 荷载传递机理 变形特性 承载力 静载荷试验 |
| 文章编号： | 1000-4750(2003)06-0034-05 |
| 收稿时间： | 2002-11-11 |
| 修稿时间： | 2003-04-26 |
EXPERIMENTAL STUDY OF BEARING AND DEFORMATION BEHAVIOR OF SQUEEZED BRANCH PILE AND ITS BEARING CAPACITY CALCULATION |
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| 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. |
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| Authors: | JU Yu-wen LIANG Ren-wang BAI Xiao-hong ZHANG Shan-yuan |
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| Affiliation: | Department of Civil Engineering, Taiyuan University of Technology, Taiyuan 030024, China |
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| 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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| Keywords: | squeezed branch pile load-transferring mechanism deformation behavior bearing capacity static loading test. |
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