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首页> 外文会议>ASME Pressure Vessels and Piping Conference >BASIS OF THE UPCOMING CHANGES TO THE PIPING INELASTIC FATIGUE DESIGN RULES IN THE ASME BOILER AND PRESSURE VESSEL CODE SECTION III, DIVISION 1, ARTICLE NB-3600
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BASIS OF THE UPCOMING CHANGES TO THE PIPING INELASTIC FATIGUE DESIGN RULES IN THE ASME BOILER AND PRESSURE VESSEL CODE SECTION III, DIVISION 1, ARTICLE NB-3600

机译：ASME锅炉和压力容器代码第III，第1款，第1条，第3600条，施工锅炉和压力容器代码中即将发生变化的基础。

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In conducting a Class 1 piping analysis per the simplified rules of the ASME Boiler and Pressure Vessel Code, Section III, Division 1, Article NB-3600, a fatigue analysis is required per paragraph NB-3653 for both Service Level A and Service Level B. The fatigue analysis provides two options. The options are dependent on Equation 10 of subparagraph NB-3653.1. If this equation is met for a given load set pair under consideration, then the analysis proceeds directly to subparagraphs NB-3653.2 through NB-3653.5. If however, Equation 10 is exceeded, the Code allows the use of a simplified Elastic Plastic Analysis as delineated in subparagraph NB-3653.6. The first requirement of NB-3653.6 is that both Equation 12 and Equation 13 must be met. The changes in the seismic design in the last 25+ years have not been appropriately reflected in the subparagraph NB-3653.6(b) Equation 13. Also, the Code provides no clear guidance on seismic anchor motions in paragraph NB-3650. In 2012 ASME Code Committees undertook an action to address these issues. This paper provides the background and basis for Code changes that are anticipated will be implemented in the near future in paragraph NB-3653.6 of the ASME Boiler and Pressure Vessel Code, Section III, Division 1 that will address both of these issues. This implementation will make the Elastic Plastic Fatigue rules of NB-3653.6 consistent with the design by analysis approach of NB-3228.5.
机译：在进行每ASME锅炉和压力容器规范，第III级，1条，第NB-3600的简化规则1级管道分析，每第NB-3653所需的两个服务级别A和服务B级疲劳分析该疲劳分析提供了两种选择。该选项取决于项NB-3653.1的公式10。如果该方程被满足对于所考虑的给定负荷集对，则该分析直接进行到NB-3653.2分段通过NB-3653.5。但是，如果公式10超过，该代码允许在分段NB-3653.6划定使用简化的弹塑性分析。 NB-3653.6的第一个要求是，这两个等式12和等式13必须得到满足。在过去25年中的抗震设计的变更尚未适当地反映在该项NB-3653.6（B）式13此外，该法规定对地震锚运动没有明确的指导款NB-3650。 2012年ASME规范委员会进行了一项行动，以解决这些问题。本文为那些预计将在不久的将来在一段NB-3653.6 ASME锅炉和压力容器规范第III级，1，将解决这两个问题来实现的代码变化的背景和基础。此实现将使得NB-3653.6的设计由NB-3228.5的分析方法是一致的弹塑性疲劳规则。

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