Table of Contents
CHAPTER 1—INTRODUCTION
1.1—Background
1.2—Scope
CHAPTER 2—DEFINITIONS
CHAPTER 3—PRESTRESSING STEELS
3.1—Wire
3.2—Strand
3.3—Bar
CHAPTER 4—DETERIORATION OF PRESTRESSING STEELS
CHAPTER 5—PROTECTION AGAINST CORROSION IN NEW CONSTRUCTION
5.1—Introduction and history
5.2—Prestressing tendon materials selection
5.3—Corrosion protection for prestressing systems
5.4—Cathodic protection
CHAPTER 6—FIELD EVALUATION
6.1—Introduction
6.2—Evaluation goals
6.3—Pretensioned structures
6.4—Post-tensioned structures
CHAPTER 7—REMEDIATION TECHNIQUES
7.1—Introduction
7.2—General
7.3—Bonded post-tensioned tendons
7.4—Unbonded multistrand post-tensioned tendons
CHAPTER 8—FIELD PERFORMANCE OF PRESTRESSED CONCRETE STRUCTURES
8.1—Introduction
8.2—Corrosion of prestressing strand before construction
8.3—Pretensioned structures
8.4—Unbonded post-tensioned structures
8.5—Bonded post-tensioned structures
8.6—Wire-wrapped prestressed structures
CHAPTER 9—REFERENCES
APPENDIX A—PRESTRESSING STEEL METALLURGY
A.1—Wire
A.2—Strand
A.3—Bar
APPENDIX B—DETERIORATION OF PRESTRESSING STEEL
B.1—Metallurgy of prestressing steels
B.2—Stress-corrosion cracking and hydrogen embrittlement
B.3—Case histories
B.4—Stress-corrosion cracking
B.5—Hydrogen embrittlement
B.6—Corrosion effect on fatigue performance
B.7—Testing for SCC and HE