本文以一座通道桥加固工程为例,简单介绍封缝、灌缝等常用加固施工工艺,详细介绍了预应力高强钢丝绳-聚合物砂浆加固技术、施工工艺以及优点,通过采用预应力高强钢丝绳-聚合物砂浆加固技术,显著提高了通道桥顶板刚度、承载力,取得了良好的效果。 In this paper, a channel bridge reinforcement project as an example, a brief introduction of sealing, filling joints and other commonly used reinforcement construction technology, a detailed introduction of prestressed high strength steel wire rope - polymer mortar reinforcement technology, construction technology and advantages through the use of prestressed high strength steel wire rope - polymerization Material mortar reinforcement technology, a significant increase in the channel bridge roof stiffness, bearing capacity, and achieved good results.