The paper undertakes the experimental research on the foundation treatment of the unit engineering of some power plant, concludes that the limited loading capacity of the single pile of the trial pile in the reinforced concrete precast piles should be 2 150 kN, according to the analysis of the results for the vertical compression resistance,static load experiment of single test and the single pile cap vertical compressive resistance static load test, indicates the earth body loading should not be too high, less than 60 kPa, and suggests the D46 ~ D60 hammer should be chosen in the engineering pile construction.%针对某电厂机组工程地基处理进行了试验研究，通过单桩竖向抗压静载试验以及单桩承台竖向抗压静载试验的结果分析，得出钢筋混凝土预制桩试桩的单桩极限承载力为2150kN，土体承载力取值不宜过高，应不大于60kPa，并建议工程桩施工时选用D46～D60锤。
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