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This report recommends guidelines for the evaluation of existing nuclear safety-related concrete structures. The purpose of this report is to provide the plant owner and engineering staff with an appropriate procedure and background for examining the performance of facility structures and taking appropriate actions based on observed conditions. Methods of examination, including visual inspection and testing techniques, and their recommended applications are cited. Guidance related to acceptance criteria for various forms of degradation is also provided.
Keywords: corrosion; cracking; degradation; inspection; load test; nuclear
power plant; reinforced concrete; reinforcement; reinforcing steels; safety;
serviceability; structural design; test.
Table of Contents
Chapter 1 - Introduction
Chapter 2 - General Methodology
Chapter 3 - Evaluation procedure
3.1 - Scope
3.2 - Selective Evaluation
3.3 - Periodic Evaluation
3.4 - Evaluation Procedure Development
3.5 - Evaluation Techniques
Chapter 4 - Degradation Mechanisms
4.1 - General
4.2 - Concrete Degradation
4.3 - Conventional Reinforcing and Structural Steel Degradation
4.4 - Prestressing Steel Degradation
Chapter 5 - Evaluation Criteria
5.1 - Acceptance Without Further Evaluation
5.2 - Acceptance After Review
5.3 - Conditions Requiring Further Evaluation
Chapter 6 - Evaluation Frequency
Chapter 7 - Qualifications of Evaluation Team
Chapter 8 - Repair
Chapter 9 - References
9.1-Referenced standards and reports
9.2- Cited references
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