桥墩病害处治方法探索——重庆菜园坝长江大桥引桥桥墩的纠偏与加固记实

Exploration for Pier Defects Treatment Method

重庆菜园坝长江大桥工程是重庆市民非常关注的重点项目,工程的施工质量和进度一直受到有关各方的高度重视。当时,其主桥及北引桥的主体结构已基本完成。由于隧道弃渣,南引桥P23号桥墩部分桩柱最大偏位近60cm,并产生了大量裂纹。对于该桥墩的处治存在不同的意见,笔者提出了处治方案,并最终得到了有关各方的认可,既避免了不必要的经济损失,同时也挽回了工期和社会影响。

Chongqing Caiyuanba Yangtze River Bridge is a major project with which Chongqing citizens concern very much. Then its construction quality and progress have been recognized by all parties concerned. The main structure of its principal bridge and northern approach had been basically completed. However, the maximal displacement of partial piles in southern approach No. P23 pier is ne.ar to 60cm and a large quantity of cracks appears. For the treatment of that pier different opinions exist. In this paper, the author suggests the treatment scheme which finally is recognized by all parties concerned, thus avoiding unnecessary economic loss and redeeming influences on validity of project and society.