陕西省铜川市大同路立交中的斜拉桥 ,在制作一马路侧 1号索的两个锚箱管时 ,由于人为失误 ,发生一起不能挂索 ,不能张拉的工程事故。笔者采用了分段处治方法 ,避免了已浇好的 30 m桥面报废 ,减少了数十万元的经济损失。本方法可以运用到改进现有大型斜拉桥锚箱管设计上 ,能增进锚箱管防水材料的防护性能和延长使用寿命 ,节约锚箱管材料 ,节省工程造价。同时还能减少锚箱管封口困难 ,方便施工。 Cable-stayed bridge in Datong Road Interchange in Tongchuan City, Shaanxi Province, was involved in a construction accident that could not be hung and could not be tensioned due to human error when making two anchor box tubes on No.1 No. 1 roadside. I used a sub-treatment methods to avoid the 30 m deck has been cast a good scrap, reducing the hundreds of thousands of yuan of economic losses. The method can be applied to improve the design of an existing anchor box tube of a large cable-stayed bridge, which can improve the protection performance and the service life of the anchor tube waterproof material, save the material of the anchor box tube and save the construction cost. At the same time can also reduce the anchor box tube sealing difficulties, ease of construction.