The paper has the brief introduction on the features of the bored piles and the application circumstance,analyzes the problems in the drilling,the grouting of underwater concrete,and all steps after the grouted piles in the construction of the bored piles,analyzes the quality shortages,and provides respective treatment methods,so as to have the important significance for improve the construction quality of the bored piles and extending the basic application of the bored piles.%对钻孔桩的特点及应用情况作了简单介绍,并就钻孔桩施工中钻孔、水下混凝土灌注、灌注成桩后各环节出现的问题及质量缺陷作了分析,并给出相应的处理方法,对提高钻孔桩施工质量、推广钻孔桩基础应用有重要意义。
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