冲孔灌注桩质量事故的原因分析及加固处理

Hole-drilled bored pile cause analysis of quality accident and reinforcement treatments

结合规范简要分析中国建设银行三峡分行综合业务楼的冲孔灌注桩施工过程中沉渣厚度超标的原因,介绍了后压浆加固处理方法的注浆材料、施工方法、注浆工艺和质量控制措施,提出了采用冲孔灌注桩施工中应注意的问题。

In this paper combined with standard, a brief analysis of Three Gorges services branch of China Construction Bank building of the hole-drilled bored pile because of excessive sediment thickness during construction process, introduced methods of grouting reinforcement grouting materials, construction methods, grouting process and quality control measures. It is proposed that hole-drilled bored pile can be attentive in construction problems.