(中国核电工程有限公司， 北京 100840)

［摘要］龙卷风是一种风速极高，破坏力巨大的旋涡状移动风暴，其所到之处会对构筑物造成极其严重的影响。因此，对结构安全性要求极高的核电厂设计时需考虑厂址地区龙卷风事件的发生。结合实际工程，合理采用简化计算和有限元模拟计算相结合的方式对龙卷风荷载作用下的核岛构筑物进行了分析，结果表明，核岛构筑物具备足够的能力抵抗龙卷风的作用。

［关键词］龙卷风； 飞射物； 局部效应； 整体效应

中图分类号： TU318 文献标识码： A文章编号：  1002-848X(2016)S2-0197-03

Analysis and design of nuclear building under the tornado loads

Cai Lijian， Shen Liang

（China Nuclear Power Engineering Co., Ltd., Beijing 100840, China）

Abstract： Tornado is a spiral shaped moving storm with high speed and enormous destructive power, all the buildings on the route of tornado will be heavily affected. So, the design of nuclear power plant with extreme high safety requirement should consider the occurrence of the tornado event. Simplified method and finite element method was properly adopted in the analysis and design of nuclear building under the tornado loads, and all the design parameters were taken from real project. The analysis result shows that the nuclear building is of the capability to resist the tornado loads.

Keywords： Tornado; missile; local effect; global effect

作者简介： 蔡利建，高级工程师，一级注册结构工程师，Email:cailijian@sina.cn。