| 地基承载力特征值和桩端承载力特征值的比较研究 |
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| 引用本文： | 董成祥,付亦鹏.地基承载力特征值和桩端承载力特征值的比较研究[J].海岸工程,2006,25(3):29-32. |
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| 作者姓名： | 董成祥 付亦鹏 |
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| 作者单位： | 青岛市勘察测绘研究院,山东,青岛,266033 |
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| 摘 要： | 工程中常涉及到地基承载力特征值fa及桩端阻力qpa,作为同量纲的地基指标,对同一土层后者往往要比前者高得多。运用梅耶霍夫地基极限承载力理论,分析了随基础埋深的加大地基土破坏形式的变化,对浅基础及桩基础破坏形式、地基承载力特征值fa与桩端承载力特征值qpa作了对比。研究结果将有利于建立及区别地基承载力特征值及桩端端阻力特征值的物理概念,对实际工程具有指导意义。
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| 关 键 词： | 地基极限承载力 地基承载力特征值 桩端承载力特征值 破裂面 |
| 文章编号： | 1002-3682（2006）03-0029-04 |
| 收稿时间： | 2006-03-07 |
| 修稿时间： | 2006年3月7日 |
Comparative Study on Subgrade Bearing Capacity Characteristic Value and Pile Point Bearing Capacity Characteristic Value |
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| DONG Cheng-xiang,FU Yi-peng.Comparative Study on Subgrade Bearing Capacity Characteristic Value and Pile Point Bearing Capacity Characteristic Value[J].Coastal Engineering,2006,25(3):29-32. |
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| Authors: | DONG Cheng-xiang FU Yi-peng |
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| Institution: | Qingdao Reconaissance, Surveying and Mapping Institute, Qingdao 266033, China |
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| Abstract: | In this paper,Meyerhof theory of ultimate subgrade bearing capacity is used to analyze the change in foundation soil failure form along with increasing burial depth of foundation,and the comparative study on the subgrade bearing capacity characteristic value and pile point bearing capacity characteristic value is also made,which will help establish and distinguish the physical concepts of the two characteristic values and is of guidance significance to practical engineerings. |
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| Keywords: | ultimate subgrade bearing capacity subgrade bearing capacity characteristic value pile point bearing capacity characteristic value fracture plane |
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