某地下广场部分钢筋混凝土柱柱头损伤。为了避免不恰当改造对结构性能的负面影响,对其进行了结构静力分析和抗震研究。分析了在设计静载和地震荷载作用下损伤柱对结构性能的影响,提出加固方案的重点要放在增强结构的竖向刚度上,而水平方向适当处理即可,分析结果为结构的补强加固提供了理论依据和改造参考。 Some underground square reinforced concrete column stigma injury. In order to avoid the negative impact of improper modification on the structural performance, static structural analysis and anti-seismic study are carried out. The effect of damage column on the structural performance under static load and earthquake load is analyzed. It is suggested that the emphasis of reinforcement scheme should be on enhancing the vertical stiffness of the structure, while the horizontal direction should be properly treated. The analysis result is the reinforcement of the structure Reinforcement provides a theoretical basis and transformation of reference.