The seismic resistance of Xiaowan arch dam, where the contraction joints are considered based on substructure theory, is analyzed.

• 摘要应用动力非线性子结构理论，对设置伸缩横缝的小湾高拱坝实际工程结构抗震分析中的坝体横缝加抗震钢筋问题进行了研究。