ACI-222.2R-14 Report on Corrosion of Prestressing Steels

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ACI-222.2R-14 Report on Corrosion of Prestressing Steels covers various types of prestressing steel, including some discussion on metallurgical differences, and supplements information presented in ACI 222R to include topics specifically related to prestressing steels. Deterioration mechanisms are discussed, including hydrogen embrittlement and stress-corrosion cracking. Methods to protect prestressing steel against corrosion in new construction are presented, along with a discussion of field performance of prestressed concrete structures. Finally, field evaluation and remediation techniques are presented. Appendices present detailed information on stress corrosion cracking and hydrogen embrittlement issues in prestressed concrete and mitigation techniques.

OVERVIEW

CHAPTER 1—INTRODUCTION

CHAPTER 2—DEFINITIONS

CHAPTER 3—PRESTRESSING STEELS

CHAPTER 4—DETERIORATION OF PRESTRESSING STEELS

CHAPTER 5—PROTECTION AGAINST CORROSION IN NEW CONSTRUCTION

CHAPTER 6—FIELD EVALUATION

CHAPTER 7—REMEDIATION TECHNIQUES

CHAPTER 8—FIELD PERFORMANCE OF PRESTRESSED CONCRETE STRUCTURES

CHAPTER 9—REFERENCES

APPENDIX A—PRESTRESSING STEEL METALLURGY

APPENDIX B—DETERIORATION OF PRESTRESSING STEEL