| 灌注桩钢筋笼的充电电场特征研究 |
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| 引用本文： | 董平,潘卫育,赵玮,陈征宙,高新南,樊敬亮.灌注桩钢筋笼的充电电场特征研究[J].地球物理学进展,2007,22(2):652-652. |
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| 作者姓名： | 董平 潘卫育 赵玮 陈征宙 高新南 樊敬亮 |
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| 作者单位： | 1.南京大学 地球科学系, 南京 210093;2.江苏省交通厅, 南京 210004 |
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| 基金项目： | 江苏省交通科学研究计划项目(05Y015)资助 |
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| 摘 要： | 充电法是用于良导电矿体勘探的传统方法.利用良导椭球体的充电电场特征，结合模型桩试验，分析了灌注桩中钢筋笼周围的充电电场特征.结果表明在钢筋笼底边缘附近，电位曲线急剧下降，出现明显拐点，梯度曲线相应出现极小值.研究成果为检测灌注桩钢筋笼长度提供了理论依据.
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| 关 键 词： | 充电法 电场 电位 电位梯度 钢筋笼 |
| 文章编号： | 1004-2903（2007）02-0652-05 |
| 收稿时间： | 2006-12-10 |
| 修稿时间： | 2007-02-20 |
Charging electric field characteristics of reinforcement cage in cast-in-situ pile |
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| DONG Ping,PAN Wei-yu,ZHAO Wei,CHENG Zheng-zhou,GAO Xin-nan,FAN Jing-liang.Charging electric field characteristics of reinforcement cage in cast-in-situ pile[J].Progress in Geophysics,2007,22(2):652-652. |
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| Authors: | DONG Ping PAN Wei-yu ZHAO Wei CHENG Zheng-zhou GAO Xin-nan FAN Jing-liang |
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| Institution: | 1. Department of Earth Sciences, Nanjing University, Nanjing 210093, China; 2. Jiangsu Communication Department, Nanjing 210004,China |
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| Abstract: | The 'mise-a-la-masse' method,mainly used in exploring ore body of good conductivity of electricity,is a traditional exploration method.Based on the electric field characteristics of ellipsoid and the results of model piles testing,the electric field characteristics of reinforcement cage in cast-in-situ pile were analyzed.The results indicate that at the bottom of reinforcement cage,a sharp decline with an inflexion is on the electric potential curve and an extremum is accordingly on the potential gradient curve.It provides a basis for the length detection of reinforcement cage in cast-in-situ pile. |
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| Keywords: | 'mise-a-la-masse' method electric field electric potential electric potential gradient reinforcement cage |
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