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| 支盘桩极限承载力预测方法的比较 | |
| 引用本文： | 龚恩德,邓祖保,许小健.支盘桩极限承载力预测方法的比较[J].科学技术与工程,2010,10(33). |
| 作者姓名： | 龚恩德 邓祖保 许小健 |
| 作者单位： | 1. 安徽岩土工程有限责任公司,合肥,230011 2. 安徽工程勘察院,合肥,230011 3. 芜湖市勘察测绘设计研究,芜湖,241000 |
| 摘 要： | 为探讨曲线拟合法用于挤扩支盘桩单桩极限承载力预估的适应性,将双曲线法、调整双曲线法、二次趋势预测法、指数曲线法及灰色GM(1,1)预测法5种预估方法应用于实际工程的试桩Q-s数据拟合计算中。结果表明,双曲线法计算结果有时偏差较大;指数曲线法、灰色GM(1,1)预测法及调整双曲线法的计算结果较为一致,与实测数据较为吻合且偏于安全,这三种方法具有较好的适应性,可供工程应用参考。 |
| 关 键 词： | 挤扩支盘桩 单桩极限承载力 曲线拟合法 |
Comparison of Predicting Method for Ultimate Bearing Capacity of Single Squeezed Branch Pile |
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| GONG En-de,DENG Zu-bao,XU Xiao-jian.Comparison of Predicting Method for Ultimate Bearing Capacity of Single Squeezed Branch Pile[J].Science Technology and Engineering,2010,10(33). | |
| Authors: | GONG En-de DENG Zu-bao XU Xiao-jian |
| Institution: | GONG En-de,DENG Zu-bao1,XU Xiao-jian2(Anhui Institute of Engineering Reconnaissance,Hefei 230011,P.R.China,Anhui Geotechnical Engineering Co,Ltd.1,Wuhu Geo techmical and Surrey Design Iustitute2,Wuhu 241000,P.R.China) |
| Abstract: | To discuss the adaptability of curve fitting method for predicting ultimate bearing capacity of single squeezed branch pile,five kinds of prediction method,which are the hyperbolic method,adjusted hyperbolic method,quadratic trend forecasting method,exponential curve method and GM(1,1) prediction method,were applied to Q-s data-fitting calculations of practical engineering.The results show that the hyperbolic method may result in large deviations,however,the exponential curve method,GM(1,1) prediction metho... |
| Keywords: | squeezed branch pile ultimate bearing capacity of single pile curve fitting method |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |