长螺旋CFG桩施工中的几个技术问题

Technical Problems in Long Spiral CFG Pile Construction

摘要:

为避免长螺旋CFG桩施工中产生质量问题，施工中应注意在桩位控制、桩基施工、混凝土质量、冬季施工措施、褥垫层设置、成桩后防护等方面引起重视，针对以上几个技术问题进行了经验总结和探讨。

Abstract:

In long spiral CFG pipe construction, attention should be paid on pile position control, pile foundation construction, concrete quality, construction measures in winter, thickness of cushion and protection after pile-forming to avoid appearing quality problems. The experience summary and the discussion on above issues were made in this paper.