| 掏挖式基础受力机理试验研究 |
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| 引用本文： | 邢月龙,沈建国,周福元.掏挖式基础受力机理试验研究[J].电力建设,2008,29(2):22-26. |
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| 作者姓名： | 邢月龙 沈建国 周福元 |
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| 作者单位： | (浙江省电力设计院, 杭州市, 310017) |
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| 摘 要： | 掏挖式基础是近年来在我国输电线路建设中广泛采用的一种基础型式, 具有充分利用原状土的承载力、减少开挖量等优点。为进一步研究掏挖基础的工作机理以及抗拔设计中存在的问题, 针对掏挖基础进行了原位真型基础载荷试验, 原位测试各种试验工况下基础的变形性状和承载能力。根据试验结果着重对抗拔计算及地基基础间的作用特性进行了分析, 为掏挖基础在浙江地区输电线路工程中的应用和设计提供依据。
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| 关 键 词： | 输电线路 掏挖式基础 原位试验 受力机理 抗拔性能 承载能力 |
| 文章编号： | 1000-7229(2008)02-0022-05 |
| 收稿时间： | 2010-01-25 |
| 修稿时间： | 2007年11月2日 |
Experimental Study of Excavated Foundation Loading Mechanisms |
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| XING Yue-long,SHEN Jian-guo,ZHOU Fu-yuan.Experimental Study of Excavated Foundation Loading Mechanisms[J].Electric Power Construction,2008,29(2):22-26. |
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| Authors: | XING Yue-long SHEN Jian-guo ZHOU Fu-yuan |
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| Abstract: | The excavated foundation,a widely used foundation type in China transmission line constructions,has advantages such as making full use of undisturbed soil load bearing capability,and less earthwork,etc.To further explore its working mechanism and problems in uplift resistant design,full scale in-situ excavated foundation loading tests are carried out to measure foundation deformations and load bearing capabilities under various working conditions.Based on test results,uplift resistant calculation and reciprocity characteristics between base and foundation are analyzed,which provides basis for its design and application in transmission line project in Zhejiang area. |
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| Keywords: | transmission line excavated foundation in-situ test loading mechanism uplift resistance performance load bearing capability |
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