| 回归法分析预应力管桩单桩极限承载力时效性 |
| |
| 引用本文： | 胡琦,蒋军,严细水,陈云敏.回归法分析预应力管桩单桩极限承载力时效性[J].哈尔滨工业大学学报,2006,38(4):602-604,612. |
| |
| 作者姓名： | 胡琦 蒋军 严细水 陈云敏 |
| |
| 作者单位： | 浙江大学,建筑工程学院,浙江,杭州,310027 |
| |
| 摘 要： | 根据浙江沿海地区桩周土静探侧摩阻力平均值、静探锥尖阻力平均值与休止期的关系,给出了单桩初始极限承载力的计算公式,并结合工程实测数据,分析了压桩力与单桩初始极限承载力的关系.运用数理统计回归拟合方法,分析了该地区单桩极限承载力增长率随休止期的变化规律,并给出了单桩极限承载力随时间变化的预测公式.计算值与实测数据表明两者比较吻合.
|
| 关 键 词： | 单桩极限承载力 回归 休止期 时间效应 |
| 文章编号： | 0367-6234（2006）04-0602-03 |
| 收稿时间： | 2004-06-09 |
| 修稿时间： | 2004-06-09 |
Regression analysis of the time effect of ultimate bearing capability of single reinforced pile |
| |
| HU Qi,JIANG Jun,YAN Xi-shui,CHEN Yun-min.Regression analysis of the time effect of ultimate bearing capability of single reinforced pile[J].Journal of Harbin Institute of Technology,2006,38(4):602-604,612. |
| |
| Authors: | HU Qi JIANG Jun YAN Xi-shui CHEN Yun-min |
| |
| Affiliation: | School of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310027, China |
| |
| Abstract: | Based on the deep analysis of the relations between the fallow time and the average value of side detecting frictional resistance,and the average value of end detecting resistance,a mathematical expression for calculating the initial ultimate load-carrying capacity of single pile is proposed.Considering test data from practical projects,the relation of the piling stress and the initial ultimate load-carrying capacity of single pile is analyzed.Using recursive method of statistics,the relation between the ultimate load-carrying capacity of single pile and fallow time is approximated.Through the mathematical analysis,a forecasting formula of the initial ultimate load-carrying capacity of single pile is derived.The results of calculation and the test data from practical projects are accordant. |
| |
| Keywords: | ultimate load-carrying capacity of single pile regression analysis time of repose time effect |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
