南京市地铁3号线秣周路站钻孔咬合桩施工技术

摘要

The paper states the basic principle and characteristics of secant boring pile,combining with the example of the Subway Line 3 Nanking City Mozhou Road Station,with focuses on the key construction points,and treatment to the common problems of piping,underground obstructions,block construction joints and accident pile etc.,ensuring a complete success of the construction.%结合南京地铁3号线秣周路站工程实例,阐述钻孔咬合桩施工的基本原理及特点,着重介绍钻孔咬合桩的施工要点,并对管涌、地下障碍物、分段施工接头、事故桩等常见问题进行处理,最终顺利完成了施工任务。