高拱坝泄洪振动的计算分析与验证

Analysis on flow induced vibration of over flow high arch dam and its verification

为了分析预测高速水流诱发坝体的振动问题， 本文提出高拱坝的泄洪振动响应的正、反分析方法， 并利用二滩、小湾和构皮滩拱坝的水弹性模型实验成果以及二滩拱坝的泄洪振动原型观测结果进行验证． 应用该理论计算模型， 仅依靠常规水工模型泄洪脉动荷载的测量，

A computational model for flow induced vibration of over flow high arch dam is proposed. The hydroelastic model test results of three high arch dams and the prototype observation data of an arch dam are used to verify the feasibility of the model. Rough agreements have been attained. It is concluded that the response of flow induced vibration of over flow high arch dam can be predicted by using this computational model according to the fluctuating load measured in a conventional hydraulic model.