| 抗拔预应力管桩地下车库上浮案例检测浅析 |
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| 引用本文： | 张学文,黎夏至,李维涛,杨长城.抗拔预应力管桩地下车库上浮案例检测浅析[J].地下空间与工程学报,2011,7(Z1):1409-1414. |
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| 作者姓名： | 张学文 黎夏至 李维涛 杨长城 |
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| 作者单位： | 1. 上海市建科院上海市工程结构新技术重点实验室,上海,200032
2. 上海同盛投资集团房地产有限公司,上海,200122 |
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| 摘 要： | 随着城市地下空间的开发利用,抗拔桩的用量急剧增加,地下室及地下车库中采用预应力管桩作为抗拔桩的工程很多,部分地下结构在建造期间或竣工后使用期间出现上浮.通过对上浮地下车库外观状况调查、底板上浮量监测,查阅分析设计、施工及基桩检测资料,采取选择典型上浮区域将底板切开、工程桩开挖出露后截取的方式,对基础底板厚度及配筋、桩身...
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| 关 键 词： | 车库上浮 预应力混凝土管桩 桩身完整性 单桩抗拔承载力 |
Site Testing and Analysis on Floating Upward Case of Underground Garage Using Up-lift PHC Piles |
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| Zhang Xuewen,Li Xiazhi,Li Weitao,Yang Changcheng.Site Testing and Analysis on Floating Upward Case of Underground Garage Using Up-lift PHC Piles[J].Chinese Journal of Underground Space and Engineering,2011,7(Z1):1409-1414. |
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| Authors: | Zhang Xuewen Li Xiazhi Li Weitao Yang Changcheng |
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| Affiliation: | Zhang Xuewen1,Li Xiazhi2,Li Weitao1,Yang Changcheng1(1.Shanghai Key Laboratory of New Technology Research on Engineering Structure,Shanghai 200032,China,2.Shanghai Tong Sheng Investment Group for Real Estate Limited,Shanghai 200122,China) |
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| Abstract: | With the development and utilization of urban underground space,the number of up-lift piles has increased dramatically,there are many basements and underground garages using up-lift prestressed high strength concrete pipe(PHC in abbreviation) piles,however,some underground structures floated upward during construction period or operation period.Through studying,site testing and measuring,the underground garage floating upward including the designing and construction materials analysis,selecting typical area... |
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| Keywords: | garage floating upward prestressed concrete pipe pile pile integrity pile up-lift bearing capacity |
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