对核电厂核岛区域防洪标准的讨论  

Discussions on Flood Control Standards for Nuclear Power Plant and Nuclear Island Area

作　　者：王国安[1] 张志红[1] 刘红珍[1] 李荣容[1] 李超群[1] 

机构地区：[1]黄河勘测规划设计有限公司,河南郑州450003

出　　处：《人民黄河》2011年第1期1-2,5,共3页Yellow River

摘　　要：核电厂核岛区域的防洪标准应是超高级的标准,我国核电行业现行标准采用"设计基准洪水"的概念。这个术语没有明确该洪水的稀遇程度,既无重现期的含义,也无极限之类(例如可能最大)的含义。这样,就使该洪水的大小模糊,标准的高低不明,而且与我国现行国家《防洪标准》(GB50201—94)的体系不协调。建议采用超可能最大洪水/潮水的概念来表示,洪水用于滨河厂址,潮水用于滨海厂址。概括地表示为:超可能最大事件=必然的单项可能最大事件+偶然的若干不利事件的合理组合。The flood control standards for nuclear power plant and nuclear island area should be super higher because the present standards for China nuclear sector adopts the concept of 'design datum flood'.This technical term has not made the degree of rare flood clear.It neither has the meaning of return period nor the meaning of limit(such as probable maximum).Thus,it makes the grade of floods fuzzy,standards unclear and inconsistent with the current state system of Flood Control Standards(GB50201-94).It suggests using the concept of hyper-probable maximum flood/tide for expression,using flood for plant site at the riverside and using tide for plant site in the coastal region.It shows briefly as hyper-probable maximum event = rational combination of inevitable single probable maximum event + fortuitous several unfavorable events.

关 键 词：核电厂 防洪标准 设计洪水 可能最大洪水 可能最大潮水 

分 类 号：TM623.8[电气工程—电力系统及自动化]