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增湿高能级强夯法处理湿陷性黄土地基的研究
引用本文:孙文怀,杨志刚,杜小川.增湿高能级强夯法处理湿陷性黄土地基的研究[J].水文地质工程地质,2012,39(2):74-78.
作者姓名:孙文怀  杨志刚  杜小川
作者单位:(1.华北水利水电学院,郑州 456300;2.中国石油集团工程设计有限责任公司,北京 100085 )

摘    要:湿陷性黄土在浸水过程中结构弱化,湿陷变形发展很快,量也很大,强度大幅度降低,在湿陷性黄土地区进行工程建设时,必须进行地基处理。通过分析黄土湿陷性机理及其影响因素,提出了将增湿高能级强夯法应用于湿陷性黄土地基处理的方法,以增湿高能级强夯法加固黄土的机理为理论基础,将该法应用于实践工程,经试验检测,其加固效果较好,消除了黄土湿陷性的同时,还提高了黄土的强度。验证了该法是一种湿陷性黄土地区地基处理的较好的技术。

关 键 词:,,湿陷性黄土,,增湿高能级强夯法,,动力固结,,静载试验
收稿时间:2011-08-02
修稿时间:2011-09-26

Research on humidification high energy dynamic compaction method dealing with collapsible loess foundation
SUN Wen-huai , YANG Zhi-gang , DU Xiao-chuan.Research on humidification high energy dynamic compaction method dealing with collapsible loess foundation[J].Hydrogeology and Engineering Geology,2012,39(2):74-78.
Authors:SUN Wen-huai  YANG Zhi-gang  DU Xiao-chuan
Institution:( 1. North China University of Water Resources and Electric Power, Zhengzhou 456300, China; 2. China Petroleum Engineering Co., LTD, Beijing 100085, China)
Abstract:The structure of collapsible loess weakens in the process of soaking,thus the collapse deformation develops rapidly,the collapsibility deformation is also large and the strength significantly decreases.When the construction is in the collapsible loess areas,the foundation must be processed.By analyzing the collapsible mechanism and influencing factors of the loess,the humidification dynamic compaction method in processing collapsible loess foundation is suggested.By the test for detection,the reinforcement effect is found to be better.The loess collapsibility is eliminated and the strength of loess is improved.
Keywords:collapsible loess  humidification high energy dynamic compaction method  dynamic consolidation  static load testa
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