关于多脚结构完整性安全案例的发展和观察
Steve Garwood1, Adrian Allen2, David Duxbury2
1Department of Mechanical Engineering, Imperial College London, London, UK.
概括
英国在2001年建立的核部件结构完整性评估的多层次方法已经发展. 一个通用的三脚模型现在被认为更适合新的核电站安全案例.
科学领域:
- 核工程 核工程是指核工程.
- 结构完整性评估 结构完整性评估
- 安全案例开发安全案例开发
背景情况:
- 英国的安全完整性技术评估指南 (TAGSI) 在2001年发布了核部件结构完整性的原则,引入了多步骤的方法.
- 这种方法是为了支持英国"概念防御深度"安全案例的"失败不可思议性"组件,建立在1990年代的研究.
- 自2001年以来,英国核电厂的设计,建造和运营都采用了多层次评估,并提出了新的设计.
研究的目的:
- 审查核部件结构完整性评估的多层次方法自2001年开始以来的发展和应用.
- 评估核设计和施工规范的进步对评估方法的影响.
- 为当前和未来的核电站安全案例提出一个更新的模型.
主要方法:
- 通过TAGSI对多脚方法的历史发展进行了审查.
- 随着时间的推移,核设计和建设规范的改进分析.
- 审查最近的通用设计评估及其安全案例结构.
主要成果:
- 核能设计和施工规范有了进步,加强了设计和制造的论点.
- 现代元件中缺陷的可能性降低,减少了对防腐测试的依赖.
- 最近的通用设计评估显示,安全案例中的腿部范围和数量有所调整.
结论:
- 对于新的核电站安全案例,一般化的三脚模型被认为更适合.
- 这种更新的模型仍然与最初的TAGSI原则和多腿提案保持一致.
- 这一演变反映了组件制造和安全评估方法的进步.
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