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人工挖孔扩底桩施工方便、速度较快、无污染、不需要大型机械设备,与钻孔灌注桩、混凝土打入桩、CFG桩等桩种相比其抗震能力强、造价低,从而在建筑工程中得到广泛应用。但其应用于复杂砂页岩场地的工程实例相对较少,本文对人工挖孔扩底桩在复杂砂页岩场地的应用进行了分析总结,供同类工程参考。
Artificial digging hole enlargement pile construction is convenient, fast, pollution-free, does not require large-scale machinery and equipment, and bored piles, concrete piles, CFG piles and other pile compared to its seismic capacity, low cost, which in Construction projects have been widely used. However, its application to complex sand shale sites is relatively small. In this paper, the application of artificial digging and expanding pedestal piles in complex sand shale sites is analyzed and summarized for reference of similar projects.