本文介绍了三明大厦的工程概况、地质条件和人工挖孔灌注桩基础的设计。对桩的数量和直径、桩长及锚固长度、桩身强度、桩承台及底板的设计作了简要介绍,并就地质断层、相邻桩距、桩端下方岩体厚度、桩身摩擦力、桩身配筋等问题进行讨论。 This article introduced the project outline, geological conditions, and the design of artificial digging bored pile foundations for the Sanming Building. The number and diameter of piles, pile length and anchorage length, pile strength, design of pile caps and base slabs are briefly introduced, and geological faults, adjacent pile distances, thickness of rock mass below the pile tip, and pile friction are briefly introduced. , pile reinforcement and other issues discussed.