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Methodological developments in the field of structural integrity analyses of large scale reactor pressure vessels in Hungary

机译：匈牙利大型反应堆压力容器结构完整性分析领域的方法学发展

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Buildings, structures and systems of large scale and high value (e.g. conventional and nuclear power plants, etc.) are designed for a certain, limited service lifetime. If the standards and guidelines of the time are taken into account during the design process, the resulting structures will operate safely in most cases. However, in the course of technical history there were examples of unusual, catastrophic failures of structures, even resulting in human casualties. Although the concept of Structural Integrity first appeared in industrial applications only two-three decades ago, its pertinence has been growing higher ever since. Four nuclear power generation units have been constructed in Hungary, more than 30 years ago. In every unit, VVER-440 V213 type light-water cooled, light-water moderated, pressurized water reactors are in operation. Since the mid-1980s, Pressurized Thermal Shock (PTS) analyses of Reactor Pressure Vessels (RPV) have been conducted in Hungary, where the concept of structural integrity was the basis of research and development. In the first part of the paper, a short historic overview is given, where the origins of the Structural Integrity concept are presented, and the beginnings of Structural Integrity in Hungary are summarized. In the second part, a new conceptual model of Structural Integrity is introduced. In the third part, a brief description of the VVER-440 V213 type RPV and its surrounding primary system is presented. In the fourth part, a conceptual model developed for PTS Structural Integrity Analyses is explained.
机译：大规模，高价值的建筑物，构筑物和系统（例如常规电厂和核电厂等）设计用于一定的有限使用寿命。如果在设计过程中考虑了时间的标准和准则，则在大多数情况下，生成的结构将安全运行。但是，在技术发展史上，有一些结构异常，灾难性破坏的例子，甚至造成人员伤亡。尽管结构完整性的概念仅在二十三年前才出现在工业应用中，但自那时以来，它的相关性一直在提高。 30多年前，匈牙利已建造了四个核动力装置。在每个单元中，VVER-440 V213型轻水冷却，轻水调节的压水反应堆正在运行。自1980年代中期以来，在匈牙利进行了反应堆压力容器（RPV）的加压热冲击（PTS）分析，在匈牙利，结构完整性的概念是研究和开发的基础。在本文的第一部分中，简要概述了历史，概述了结构完整性概念的起源，并概述了匈牙利的结构完整性的起源。在第二部分中，介绍了一种结构完整性的新概念模型。在第三部分中，简要介绍了VVER-440 V213型RPV及其周围的主要系统。在第四部分中，解释了为PTS结构完整性分析开发的概念模型。

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