Document: NRC Regulatory Guide
Document ID: b143ccef-ed08-482d-bc4b-b4e012328090
Document Type: regulatory_guide
Title: Applications for Nuclear Power Plants (Rev. 1)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML1523/ML15233A056.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.206
CFR Part: 
CFR Title: 

Content:
........................................................................... 3A.3.1 Response Due to Seismic Loads ................................................................................ 3A.3.2 Deflection Criteria .................................................................................................... 3A.3.3 Relative Movement ................................................................................................... 3A.3.4 Allowable Stresses .................................................................................................... 3A.3.5 Connections ............................................................................................................. APPENDIX 3B LEAK-BEFORE-BREAK EVALUATION OF THE AP1000 PIPING 3B.1 Leak-before-Break Criteria for AP1000 Piping .......................................................................... 3B.2 Potential Failure Mechanisms for AP1000 Piping ...................................................................... 3B.2.1 Erosion-Corrosion Induced Wall Thinning ................................................................. 3B.2.2 Stress Corrosion Cracking ......................................................................................... 3B.2.3 Water Hammer ......................................................................................................... 3B.2.4 Fatigue ..................................................................................................................... 3B.2.5 Thermal Aging ......................................................................................................... 3B.2.6 Thermal Stratification ............................................................................................... 3B.2.7 Other Mechanisms .................................................................................................... 3B.3 Leak-before-Break Bounding Analysis