| 高填方强湿陷地段井桩下沉问题的探讨 |
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| 引用本文： | 魏佳中,尚继红.高填方强湿陷地段井桩下沉问题的探讨[J].岩石力学与工程学报,2003,22(Z2):2920-2920. |
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| 作者姓名： | 魏佳中 尚继红 |
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| 作者单位： | 魏佳中（中铁西北科学研究院,兰州,730000）;尚继红（中铁西北科学研究院,兰州,730000） |
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| 摘 要： | 在湿陷性黄土地区，尤其是在经人为推山填沟整平的高填方地段，采用人工挖孔灌注桩基础(以下简称井桩)，往往会因各种原因导致井桩下沉引起建筑物发生变形事故。结合兰州市某经济开发区内几幢建筑物井桩基础下沉事故的典型实例，分析了该地段井桩下沉的原因，并对已采用的几种处理措施进行了探讨。
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| 关 键 词： | 关键词 土力学 高填方强湿陷 井桩 下沉事故 |
| 文章编号： | 1000-6915(2003)增2-2920-05 |
| 收稿时间： | 2003-2-15 |
| 修稿时间： | 2003年2月15日 |
DISCUSSION ON SUBSIDENCE PROBLEM OF MAN-BORED CAST-IN-PLACE PILE IN HIGH EARTH FILL SECTION WITH HIGH COLLAPSIBILITY |
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| Abstract: | Man-bored cast-in-place pile foundation in collapsible loess area，especially in high earth fill section with high collapsibility，often causes subsidence by some reasons and consequently deformation accident of buildings. Based on typical case histories of man-bored cast-in-place pile foundation subsidence of several buildings in certain zone of Lanzhou，the reason of pile subsidence in this zone is analysed and several treatment measures are discussed. |
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| Keywords: | Key words soil mechanics high earth fill with high collapsibility man-bored cast-in place pile subsidence accident |
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