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SINTAP and R6 Developments: Progress on Codes

机译:SINTAP和R6的发展:代码方面的进展

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A co-operative European project on Structural Integrity Assessment Procedures for European Industry (SINTAP) commenced in 1996. The project involved participants from nine European countries. Following a review of existing fitness-for-purpose assessment procedures, and research on a selective number of topics, SINTAP was completed in 1999 with the production of a new flaw assessment procedure. This paper describes some of the developments made during the SINTAP project. Progress in the areas of fracture toughness estimation for ferritic steels in the ductile-to-brittle transition region, compatibility of failure assessment diagram (FAD) and crack driving force (CDF) methods, and allowance for strength mismatch effects are highlighted. Then, an overview of the SINTAP procedure, the various levels of analysis within it and the hierarchical nature of these levels, is presented. Building on the SINTAP project and other developments in fracture assessment methods, a major new revision (Revision 4) has recently been produced to the R6 defect assessment procedure maintained by the UK nuclear power industry. The last major revision to R6 was in 1986 although there have been a significant number of additions to the document since that time. The structure of R6 Revision 4 is based on that of the SINTAP procedure and consists of five chapters dealing with: basic procedures; inputs to basic procedures; alternative approaches, compendia; and, validation. Furthermore, some new FADs have been introduced in R6 Revision 4. These are also based on SINTAP developments. This paper describes the contents of R6 Revision 4 and in particular the new features introduced in this major revision to the document. In addition to the SINTAP and R6 developments, there has recently been a number of developments worldwide in fracture assessments codes. These include British Standards developments leading to the British Standards Guide BS7910 which replaces the Published Document PD6493, American Petroleum Institute developments leading to API579, developments leading to the French Nuclear Code RSE-M and developments by the Japanese Society of Mechanical Engineers (JSME). These worldwide code developments are summarised. Finally, the paper discusses progress within Europe towards production of a European standard for fitness-for-purpose assessments.
机译:1996年开始了一个关于欧洲工业的结构完整性评估程序的欧洲合作项目(SINTAP)。该项目有来自9个欧洲国家的参与者参加。在对现有的适用性评估程序进行了回顾,并对一些主题进行了研究之后,SINTAP于1999年完成,并产生了新的缺陷评估程序。本文介绍了SINTAP项目期间所做的一些开发。着重指出了在韧性到脆性过渡区的铁素体钢断裂韧性评估,失效评估图(FAD)和裂纹驱动力(CDF)方法的兼容性以及强度失配效应的允许范围方面的进展。然后,概述了SINTAP程序,其中的各种分析级别以及这些级别的层次结构。在SINTAP项目和裂缝评估方法的其他发展的基础上,最近对英国核电行业维护的R6缺陷评估程序进行了重大的修订(修订4)。对R6的最后一次重大修订是在1986年,尽管自那时以来对该文档进行了大量补充。 R6修订版4的结构基于SINTAP程序的结构,并由五个章节组成:基本程序的投入;替代方法,纲要;并且,验证。此外,R6修订版4中引入了一些新的FAD。这些FAD也基于SINTAP的开发。本文介绍了R6修订版4的内容,尤其是在此主要修订版中引入的新功能。除了SINTAP和R6的开发外,最近全球范围内的裂缝评估代码也有许多开发。这些包括导致英国标准指南BS7910取代已发布的文档PD6493的英国标准发展,导致美国石油学会导致API579的发展,导致法国核法规RSE-M的发展以及日本机械工程师协会(JSME)的发展。总结了这些全球代码开发。最后,本文讨论了在欧洲制定适合用途的评估的欧洲标准方面的进展。

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