【摘要】 基于竖向地震动在核动力厂抗震分析及其在设备抗震试验鉴定中的重要性,本文总结了中国核电工程引用的法规在竖向地震动方面的规定,依据各个法规内容解读可能确定的竖向地震动,从而确定了4种相应的竖向地震反应谱。最后,结合中国核动力厂地震安全性评价要求以及压水堆M310、EPR、AP1000和CAP1400等机组竖向地震动设计的实际情况,说明竖向地震动的选取应区分近场、远场地震的影响,中国现用的法规和规范仍需进一步完善竖向地震动选取的规定。本研究结果可为我国核动力厂抗震设计和核安全审评提供参考。更多还原

【Abstract】 Based on the importance of vertical motion in the nuclear power plants(NPPs)and equipment identification of seismic test,we summarize the existing laws and regulations cited by China’s NPPs in the vertical seismic ground motion of the regulations. Then,according to the interpretation of various laws and regulations content,we may identified four vertical earthquake response spectrums. Finally,combined with the seismic safety requirements of China NPPs evaluation and the vertical seismic design of M310,EPR,AP1000 and CAP1400 pressurized water reactor,we explain that the vertical seismic ground motion selection should distinguish the effects between near field and far field earthquake,the existing regulations and specifications that China used are still required to further improve on the selection of vertical ground motion. The results of this study can provide reference for seismic design of China’s nuclear power plant and nuclear safety review.更多还原