The paper analyzes the working mechanism and loading performance of the long-short pile composite foundation,introduces the suc-cessful case in projects of China,adopts the long-short pile composite foundation to undertake the weak foundation treatment to have the effective settlement control,improve the loading capacity of the foundation,and save costs,and points out its broader application.%分析了长短桩复合地基的工作机理及承载性能,介绍了其在我国工程中取得成功应用的案例,指出采用长短桩复合地基进行软基处理,能够有效的进行沉降控制,大幅度提高地基的承载力,节约工程成本,说明了该技术具有广阔的应用发展前景。
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