深水钻孔灌注桩施工中几个环节的质量控制

Several links in quality control of deep-water cast-in-place bored pile's construction

结合渝怀铁路 2 5、2 6标段桥梁深水钻孔灌注桩基础的施工实践 ,从成孔过程、成桩过程、超前预控和成桩无损检测等几个方面简要地阐述了深水钻孔灌注桩施工中质量控制的要点与方法。指出了在施工过程中只要严格控制 ,并不断总结提高 ,就能提高成桩的优良率。

Combined with the deep water cast in place bored pile's construction experience in Yuhuai railway the quality control key points and methods in deep water cast in place bored pile's construction are simply discussed from pore forming process, piling technology, advance control and nondestructive testing. Author point out that in construction the piling ration can be enhanced through strict control and continuous summarization.