| 自重湿陷性黄土地区桩基设计探讨 |
| 投稿时间：2006-06-12 修订日期：2006-07-30 点此下载全文 |
| 引用本文：徐建红.自重湿陷性黄土地区桩基设计探讨[J].钻探工程,2006,33(9):7-8.. Discussion on Pile Foundations Design in Damping Collapse Loess under Dead Weight[J]. Drilling Engineering, 2006,33(9):7-8. |
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| 徐建红 |
| 河南省地质矿产勘查开发局第四地质探矿队,河南三门峡472000 |
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| 中文摘要:根据自重湿陷性黄土的特点、《湿陷性黄土地区建筑规范》（GB50025—2004）和《建筑桩基技术规范》（JGJ94—94）中关于桩基设计的对比分析，通过自重湿陷性黄土场地工程实例分析计算，依据负摩擦产生的机理——中性点理论，论述了自重湿陷性黄土场地中桩基设计应考虑中性点，而不应全部计入负摩阻的观点。 |
| 中文关键词:自重湿陷性黄土 桩基设计 负摩擦力 中性点 下拉荷载 |
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| Discussion on Pile Foundations Design in Damping Collapse Loess under Dead Weight |
| XU Jian-hong |
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| Abstract:Because of the characteristics of damping collapse loess under dead weight,by the comparative analysis on pile construction design in Construction Standards of Damping Collapse Loess Area(GB 50025-2004)and Technical Regula- tion of Construction Pile Foundation(JGJ 94-94),Based on analytical calculation on the field case and according to nega- tive friction mechanism-nutral point theory,it is expounded that for pile construction design in damping collapse loess un- der dead weight,neutral point should be taken into consideration and negative friction not be substitute in total. |
| keywords:damping collapse loess under dead weight pile foundation design negative friction neutral point downward load |
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