彭安宁
    （中国建筑科学研究院 北京 100013）

[提要]  钻孔灌注桩的施工质量很难控制，尤其是当桩较长时常会造成经济上的损失和工程事故。作者探讨了钻孔灌注桩的有关问题，并介绍了一些施工质量控制的方法。
[关键词]  钻孔灌注桩 承载力  沉渣  泥浆  泥皮 斜率  摩阻力 端承力

Bored cast-in-situ piles are more and more used in foundatiOPS of high-rise buildings. The quality of its construction is very difficult to control, especialy for long piles which will caues huge loses and accidents frequently.Some questions about bored cast-in-situ piles are disscussed and some methods for quality control are indroduced.
Keywords: bored cast-in-situ pile; bearing capacity; deposit; mud; mudcake; oblique rate; frictional resistance; end  bearing