预应力管桩复合地基在高层建筑中的应用 |
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引用本文: | 吕恒柱. 预应力管桩复合地基在高层建筑中的应用[J]. 建筑技术开发, 2012, 0(8): 43-46 |
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作者姓名: | 吕恒柱 |
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作者单位: | 南京金宸建筑设计有限公司,南京210029 |
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摘 要: | 在淮安市某大高层住宅工程中采用预应力管桩置换部分土体,形成由增强体和周围地基土共同承担荷载的预应力管桩复合地基,该方法既能充分发挥桩和桩间土的承载性能,又能很好地协调地基的变形。介绍了预应力管桩复合地基的设计过程,采用该地基技术的实际工程应用情况,地基强度及变形均满足要求,并将其与传统的预应力管桩基础设计相比较,结果表明采用该方案设计,可缩短工期、降低成本。该设计可供同类工程参考。
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关 键 词: | 复合地基 复合桩基 预应力管桩 褥垫层 |
APPLICATION OF PRESTRESSED PIPE PILE COMPOSITE FOUNDATION IN A HIGH-RISE BUILDING PROJECT |
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Abstract: | The prestressed pipe pile is used to strengthen the soil of a project in Huaian city to form composite foundation, which works together with the soil around it to bear the loads. Using this method, the bearing performance of the piles and soil around it can be made full use of and the foundation deformation can also be coordinated. The design process of the composite foundation is presented and compared with traditional prestressed pipe piles foundation. The results show that the composite foundation program can save time and cost. The design could be a reference to other similar engineering. |
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Keywords: | composite foundation composite pipe pile prestressed pipe pile bedtick layer |
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