| 某变电站设备支架倾斜事故分析 |
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| 引用本文： | 姜文,周秋鹏,张涤砚,翟伟.某变电站设备支架倾斜事故分析[J].湖北电力,2011,35(2):55-56. |
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| 作者姓名： | 姜文 周秋鹏 张涤砚 翟伟 |
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| 作者单位： | 1. 湖北省电力勘测设计院,湖北,武汉,430024
2. 湖北省电力公司电力试验研究院,湖北,武汉,430077 |
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| 摘 要： | 某变电站地基条件相对较差,且存在膨胀土.设备支架地基原本采用CFG桩复合地基处理,但施工单位将CFG桩改为大直径桩,且人工成孔,设备基础施工完成后约半年,当设备安装完毕试送电时发现,设备基础周边地面有裂隙,支架倾斜,文中通过分析事故原因,进而讨论CFG复合地基处理的机理,并提出相应解决方案.
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| 关 键 词： | 复合地基 CFG桩 褥垫层 膨胀土 |
Analysis of a Tilted Equipment Accident in a Substation |
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| JIANG Wen,ZHOU Qiu-peng,ZHANG Di-yan,ZHAI Wei.Analysis of a Tilted Equipment Accident in a Substation[J].Hubei Electric Power,2011,35(2):55-56. |
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| Authors: | JIANG Wen ZHOU Qiu-peng ZHANG Di-yan ZHAI Wei |
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| Affiliation: | 1(1.Hubei Electric Power Survey & Design Institute,Wuhan 430024,China;2.Electric Power Testing & Research Institute of Hubei Electric Power Company,Wuhan 430077,China) |
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| Abstract: | The earth foundation condition is rather worse in a substation,and there exists expansion soil.The equipment supports were originally adopted with CFG pile compound earth foundation treatment,but the construction unit changed large diameter pile for CFG pile,and made artificial hole.Half year after completion of its foundation,cracks around its earth surface were revealed and its supports tilted down.The paper analyzed the cause of the accident,discussed the mechanism of CFG compound earth foundation treatment,and put forward their solution. |
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| Keywords: | compound foundation CFG pile mattress pad layer expansion soil |
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