| 人工挖孔扩底桩的承载力分析及工程应用 |
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| 引用本文： | 吕文良,邢海强.人工挖孔扩底桩的承载力分析及工程应用[J].建筑技术开发,2003(1). |
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| 作者姓名： | 吕文良 邢海强 |
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| 作者单位： | 中国新兴建设开发总公司 北京100039
(吕文良)，中国新兴建设开发总公司 北京100039(邢海强) |
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| 摘 要： | 本文详细分析了人工挖孔扩底桩的承载机理 ,讨论了单桩承载力与桩周侧阻力、桩端阻力和桩身混凝土强度的关系。结合工程实例 ,验算了人工挖孔扩底桩的单桩承载力 ,并分析了影响因素。本文对人工挖孔扩底桩的设计及工程应用具有一定的借鉴意义
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| 关 键 词： | 人工挖孔扩底桩 承载机理 桩周侧阻力 桩端阻力 混凝土强度 荷载转递 |
BEARING CAPACITY ANALYSIS AND APPLICATION OF HANG-DUG CAVITY-EXPANSION PILE |
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| Lu Wen\|Liang\ \ Xing Hai\|qiang.BEARING CAPACITY ANALYSIS AND APPLICATION OF HANG-DUG CAVITY-EXPANSION PILE[J].Building Technique Development,2003(1). |
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| Authors: | Lu Wen\|Liang\ \ Xing Hai\|qiang |
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| Affiliation: | Lu Wen\|Liang\ \ Xing Hai\|qiang |
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| Abstract: | In this paper,the author has expounded the bearing mechanism of hand\|dug cavity\|expansion pile.The relation among bearing capacity,skin friction,tip resistance and concrete strength of single pile is also discussed.Combined with checking computation of a practical project,the influence factors are analyzed.There may be the significance to guild the design and construction of similar worksite. |
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| Keywords: | Hang\|dug cavity\|expansion pile Bearing mechanism Skin friction Tip resistance Concrete strength Load transfer |
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