| 自平衡法试验上段桩荷载-位移曲线的解析拟合算法 |
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| 引用本文： | 奚笑舟,陈龙珠. 自平衡法试验上段桩荷载-位移曲线的解析拟合算法[J]. 上海交通大学学报, 2011, 45(10): 1498-1503 |
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| 作者姓名： | 奚笑舟 陈龙珠 |
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| 作者单位： | （上海交通大学 安全与防灾工程研究所，上海 200240） |
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| 摘 要： | 针对自平衡法试验数据的分析处理，假定桩侧土荷载传递函数符合三折线模型，考虑桩身重力作用的影响，推导出上段桩荷载-位移曲线的解析算式，并给出了由自平衡法试验数据确定桩 土参数的方法.通过2根桩的实测数据初步验证了文中解法的适用性，为由自平衡法试验数据推算桩侧摩阻力和桩身参数、常规顶压桩的荷载-位移曲线提供了一种理论手段.
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| 关 键 词： | 基桩静载试验 荷载-位移曲线 解析算法 |
| 收稿时间： | 2010-10-27 |
Analytical Fitting Method of Loading-Displacement Curve for Upper PileSegment under O-Cell Pile Testing |
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| XI Xiao-zhou,CHEN Long-zhu. Analytical Fitting Method of Loading-Displacement Curve for Upper PileSegment under O-Cell Pile Testing[J]. Journal of Shanghai Jiaotong University, 2011, 45(10): 1498-1503 |
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| Authors: | XI Xiao-zhou CHEN Long-zhu |
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| Affiliation: | (Institute of Engineering Safety and Disaster Prevention, Shanghai Jiaotong University,Shanghai 200240, China) |
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| Abstract: | A set of analytical equations of the loading-displacement curve of upper pile segment for the O-cell pile testing(OPT) method were established by using load transfer method.The lateral soil of pile shaft was simulated with a tri-linear load-transfer function and the gravity of pile shaft was taken into account.Also,the method to determine parameters for the pile-soil system with OPT data was mentioned.The theoretical results were compared with engineering cases from literatures.The method could be used as a... |
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| Keywords: | static load testing loading-displacement curve analytical algorithm |
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