| 抛物线法在单桩竖向承载力确定中的应用 |
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| 引用本文： | 崔树琴,高盟. 抛物线法在单桩竖向承载力确定中的应用[J]. 水利与建筑工程学报, 2008, 6(1): 88-90 |
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| 作者姓名： | 崔树琴 高盟 |
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| 作者单位： | 铜陵学院,土木工程系,安徽,铜陵,244000;同济大学,地下建筑与工程系,岩土及地下工程教育部重点实验室,上海,200092 |
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| 摘 要： | 单桩载荷试验的Q-S曲线符合抛物线方程,将最小二乘法运用于该方程建立线性方程组,采用高斯消去法编制C语言程序,求出待定系数a、b、c,得到拟合的抛物线,用抛物线中的顶点求出单桩竖向极限承载力。工程实例表明该方法可行。
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| 关 键 词： | 土木工程 抛物线 单桩竖向承载力 C语言程序 拟合 |
| 文章编号： | 1672-1144（2008）01-0088-03 |
| 收稿时间： | 2007-06-15 |
| 修稿时间： | 2007-07-11 |
Application of Parabolic Method in Ascertainment of Vertical Bearing Capacity of Single Pile |
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| CUI Shu-qin,GAO Meng. Application of Parabolic Method in Ascertainment of Vertical Bearing Capacity of Single Pile[J]. Journal of Water Resources Architectural Engineering, 2008, 6(1): 88-90 |
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| Authors: | CUI Shu-qin GAO Meng |
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| Affiliation: | 1.Department of Civil Engineering;Tongling Institute;Tongling;Anhui 244000;China;2.Department of Underground Building and Engineering;Tongji University;Key Laboratory of Geotechnical and Underground Engineering;Ministry of Education;Shanghai 200092;China |
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| Abstract: | The Q-S curve of static load test for a single pile is in conformity with the parabolic equation,which is applied to the linear equation with the least square method.The process is written to C programming language with Gauss elimination,then the undetermined coefficients a,b and c are solved and the fitted parabolic equations are got.As a result,the vertical bearing capacity of the single pile is extracted by the apex of the parabolic curve.The practical cases indicate that the method is reasonable. |
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| Keywords: | civil engineering parabola vertical bearing capacity of single pile C programming language fit |
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