贵阳奥体中心人工挖孔桩的设计与施工

摘要

针对贵阳奥林匹克体育中心地质条件进行了基底稳定性验算、桩基沉降计算,并对溶洞处桩基施工方法、自平衡法承载力试验等做了说明,阐明了人工挖孔桩在岩溶地区应用的一些关键要素,为类似基础设计、施工提供了一定指导。%In light of geological conditions of Guiyang Olympic Sports Center,the paper carries out foundation stability check and pile foundation settlement calculation,illustrates construction method of pile foundation in the karst and self-balancing bearing force test,and explains critical application factors of artificial excavation pile in karst region,which has provided certain guidance for similar foundation design and construction.