《建筑结构》１９９８年第五期刊载了杨清、刘水香同志的“大直径挖孔扩底桩在多高层建筑中的设计”一文（以下简称原文）。原文就在很多地区应用广泛的大直径人工挖孔灌注桩（扩底）的特点、设计计算及构造要求等方面作了较为细致、系统的探讨，具有一定的实用价值。笔者拟对 The fifth issue of the “Architecture Structure” (1998) contained the article “Design of Large Diameter Excavation and Enlargement Piles in Multiple High-Rise Buildings” by Comrades Yang Qing and Liu Shuixiang (hereinafter referred to as the original). The original text has made a detailed and systematic discussion on the features, design calculations, and structural requirements of large-diameter manually drilled cast-in-place piles (expanded bottoms) that are widely used in many areas, and has a certain practical value. The author intends to