通过独柱梁桥稳定破坏类别及破坏过程分析,形成此类桥梁的稳定性判别流程,总结引发稳定破坏的体系内因及荷载外因。建立稳定性能的衡量标准及验算方法,分析结构参数对稳定安全系数的作用影响。通过稳定破坏病害加固的工程实例,介绍病害出现后的设计加固过程,对独柱桥梁稳定性设计提出具体措施建议。 Through the analysis of stability damage types and failure process of single-column girder bridge, the stability judgment flow of such bridges is formed, and the internal factors of system and the external factors of load are summarized. Establish the measurement standard and checking method of the stability performance, and analyze the influence of structure parameters on the stability safety factor. Through the project example of stabilizing damage and strengthening of the disease, the design and reinforcement process after the occurrence of the disease is introduced, and the concrete measures and suggestions on the design of the stability of the single-column bridge are proposed.