深圳岩溶地区某超高层项目嵌岩桩基础设计探讨

Discussion on the Design of rock-socketed Pile Foundation for a Super High-rise Project in Shenzhen Karst Area

深圳多地区分布了可溶性碳酸盐类岩石(灰岩),越来越多的超高层建筑新建于岩溶地区之上。基于岩溶地区某超高层项目基础设计过程中的分析及总结,着重介绍了:不同地质情况基础型式选取建议及嵌岩桩基础设计,嵌岩桩超前钻勘察孔点布置及优化,桩端稳定持力层的研判方法。

Soluble carbonate rocks(limestone)are distributed in many areas of Shenzhen.More and more super high-rise buildings are built on karst areas.Based on the analysis and summary of the foundation design process of a super high-rise project in karst area,this pa‐per focuses on the selection of foundation types under different geological conditions,the design of rock-socketed pile foundation,the layout and optimization of advance drilling,and research and judgment of stable bearing stratum.