In this paper, a simplified model for dam-foundation dynamic interaction analysis in time domain is proposed in terms of the studying of the characteristics of the dynamic impedance of canyon cut in elastic half-space.

• 通过对拱坝地基的半无限空间动力体系的分析，提出了拱坝-地基动力相互作用问题的简化求解途径，并结合小湾拱坝进行了实际分析。