核级阀门必须通过抗震鉴定,抗震试验是阀门的主要鉴定方法。在第1次对阀门进行抗震鉴定时,宜采用试验法。现有的阀门抗震鉴定规范中,阀门抗震试验方法有单频正弦拍波法、连续正弦扫波法、多频波法等。本文以某型号阀门为例开展抗震鉴定试验,初步比较了这3类试验方法的结果差异,为核级阀门的抗震鉴定提供了思路和参考。 Nuclear-level valve must pass the seismic identification, seismic test is the main method of identification of the valve. In the first anti-seismic valve identification, should adopt the test method. The existing valve seismic identification specifications, the valve seismic test methods are single-frequency sine wave method, continuous sine sweep method, multi-frequency method. In this paper, a certain type of valve is taken as an example to carry out seismic appraisal test. Preliminary comparison of the results of these three kinds of test methods is provided, which provides a train of thought and reference for the seismic identification of nuclear grade valves.