349.3R-18: Report on Evaluation and Repair of Existing Nuclear Safety-Related Concrete Structures

349.3R-18: Report on Evaluation and Repair of Existing Nuclear Safety-Related Concrete Structures

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Description

This report provides recommendations for the evaluation of existing nuclear safety-related concrete structures. The purpose of this report is to provide the owner, owner’s engineering staff, consultants, and others with an appropriate procedure and background for examining concrete structural performance 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 and methods for repair are provided.

Keywords: corrosion; cracking; degradation; inspection; load test; nondestructive testing; nuclear plant; rehabilitation; reinforcement; repair; safety; serviceability; structural design; structural evaluation.

 

Document Details

Author: ACI Committee 349

ISBN: 9781641950008

Categories: Nuclear

Formats: PDF

Table of Contents

CHAPTER 1—INTRODUCTION AND SCOPE

1.1—Introduction

1.2––Scope

CHAPTER 2—DEFINITIONS

CHAPTER 3—GENERAL METHODOLOGY AND EVALUATION PROCEDURE

3.1—General methodology

3.2—Scope

3.3—Selective evaluation

3.4—Periodic evaluation

3.5—Evaluation procedure document

3.6—Evaluation techniques

CHAPTER 4—DEGRADATION MECHANISMS

4.1—General

4.2—Concrete degradation

4.3—Steel reinforcement 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—Acceptance after enhanced evaluation

CHAPTER 6—EVALUATION FREQUENCY

CHAPTER 7—QUALIFICATIONS OF EVALUATION TEAM

CHAPTER 8—REPAIR

8.1—General

8.2—Design basis and compliance

8.3—Repair considerations

8.4—Design of structural repairs

8.5—Durability

8.6—Construction

8.7—Quality assurance

CHAPTER 9—REFERENCES

Authored documents

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