钻孔桩水下混凝土灌注施工质量控制

Underwater concrete pouring construction quality control of bored pile

针对钻孔桩水下混凝土灌注施工常见的导管卡管、钢筋笼上浮、孔壁坍塌、断桩等问题进行了分析,从混凝土配制、运输、浇筑、钢导管制作安装等方面提出了质控措施,以确保施工质量。

Abstract： Combining with production flow process with quality supervision experience of seamless stainless pipes in nuclear island, the quality witness points are set based on quality assurance class, importance of working procedure and comprehensive strength of suppliers. Quality control content is also summarized in production process, check out process and final acceptance of seamless stainless pipes in nuclear island. This will provide the reference for equipment quality supervise of nuclear power