跃进桥位于105国道济宁境内,由于该桥建成历史时间较长,设计标准低,加之该桥位于国道干线和城乡接合部,交通量大,重车较多,其承栽力难以满足当前行车的需要。文章在分析旧桥病害的基础上,制定旧桥加固方案,详细介绍加固的具体做法,对类似的旧桥加固,具有指导意义。 Yuejin Bridge is located in the State Road 105 Jining, due to the bridge built a longer history, low design standards, combined with the bridge is located in the national highway and urban-rural junction, traffic, heavy vehicles, its bearing capacity is difficult to meet the current traffic need. Based on the analysis of the diseases of the old bridge, the article formulates the reinforcement plan of the old bridge, and introduces the concrete practice of the reinforcement in detail, which is of guiding significance for strengthening the similar old bridge.