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中文摘要：
分析了支盘的受力特点及多节挤扩支盘桩在成桩过程中的影响因素、施工要点，并对比其经济价值．结合工程实例，介绍了在高层建筑的桩基施工中采用多节挤扩吏，盘灌注桩的施工技术．
英文摘要：
Combined with practical work, this paper introduces the construction technology of squeeze and expansion multi-supported plate which is applied in pile foundation construction in high-rise buildings. This paper analyzes the mechanical characteristics of the squeezed branch, the influencing factors and construction points in the forming process of squeeze and expansion multi-supported plate. And the comparison and analysis of economic value are made.
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