水中墩钢板桩围堰承台的施工和工程质量保证要点

The Study on Construction and the Key Points of Engineering Quality Assurance for Steel Sheet Pile Cofferdam Cap in Water

桥梁施工工程以水中墩的围堰承台制作为主要技术难点之一。太佳高速黄河特大桥采用板桩围堰方法为基础顺利完成了桥墩承台的施工,在工程中采用的施工方案、作业工艺及质量保证要点在实体工程实践中得到了成功的验证。

Based on the steel sheet pile cofferdam method,this paper introduced Taijia Expressway Yellow River Bridge,which successfully completed the construction of bridge pier cap.The paper also verified the construction program,working technique and key points of quality assurance adopted in engineering practice.