| 长短桩复合地基在高层建筑液化土层中的应用 |
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| 引用本文： | 葛忻声,李斌,李奭夫.长短桩复合地基在高层建筑液化土层中的应用[J].建筑技术,2009,40(10):905-908. |
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| 作者姓名： | 葛忻声 李斌 李奭夫 |
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| 作者单位： | 1. 太原理工大学,030024,太原
2. 山两凯的建筑设计事务所,030001,太原 |
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| 基金项目： | 国家自然科学基金资助项目，山西省自然科学基金资助项目 |
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| 摘 要： | 通过由CFG桩（Cement Fly—ash Gravel Pik）与碎石桩组合而成的长短桩复合地基，处理24层高层建筑严重液化地基的工程实例，探讨了这一类型复合地基的承载力与沉降变形的设计计算方法，并与建筑物的实际测试的承载力、沉降值进行了对比研究。从中可看出：这种处理方法使原地基土消除了液化，满足了上部结构对地基承载力、变形的要求，同时也验证了所提出的设计计算方法的可行性。
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| 关 键 词： | 长短桩复合地基 高层建筑 液化地基 承载力 沉降 |
ANALYSIS AND APPLICATION OF LONG-SHORT-PILE COMPOSITE FOUNDATION IN LIQUEFIED SOIL UNDER HIGH-RISE BUILDING |
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| GE Xinsheng,LI Bin,LI Shifu.ANALYSIS AND APPLICATION OF LONG-SHORT-PILE COMPOSITE FOUNDATION IN LIQUEFIED SOIL UNDER HIGH-RISE BUILDING[J].Architecture Technology,2009,40(10):905-908. |
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| Authors: | GE Xinsheng LI Bin LI Shifu |
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| Affiliation: | GE Xinsheng, LI Bin, LI Shifu(1. Taiyuan University of Technology, 030024, Taiyuan, China; 2.Shanxi Kaidi Architectural Design Institute, 030001, Taiyuan, China) |
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| Abstract: | A practical case of the long-short-pile composite foundation in liquefied soil under a 24-stoeryed high-rise building is presented, in which the long and short piles are made of CFG（cement fly-ash gravel） and gravel. In it, a new design method of the foundation treatment is introduced, and the calculated value through the design method is compared with the actual measurement. The results show that the liquefaction of soft ground is eliminated and the demand of load and settlement for upper building is met. At the same time, it is proved that the design method is available. |
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| Keywords: | long-short-pile composite foundation high-rise building liquefied soil bearing capacity settlement |
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