摘要
通过分析某大桥上部病害及成因,针对预应力混凝土梁桥出现的裂缝、桥面裂缝和支座损伤等病害,提出了采用灌注环氧树脂胶封闭裂缝、更换支座等进行病害修复措施,经修复后该桥不仅满足了交通需求,还提高了其使用的耐久性和安全性,取得了良好的社会效益和经济效益。
According to the analysis of diseases and reasons at the upper parts of some bridge, the paper points out the adoption of the grouting epoxy resin adhesive close fissure, and replacement of supporting parts can deal with the diseases according to the cracks on the prestressed con- crete beam bridges, the cracks on bridge surface and the damages on the supporting part, and indicates the bridge after the repairs can meet the traffic demands, improve their duration and safety, and achieve better social and economic benefits.
出处
《山西建筑》
2013年第36期218-220,共3页
Shanxi Architecture
关键词
病害
修复
耐久性
安全性
效益
diseases, repair, duration, safety, benefits