Table of Contents
CHAPTER 1—INTRODUCTION, p. 2
1.1—Summary, p. 2
1.2—Scope, p. 2
CHAPTER 2—DEFINITIONS, p. 3
CHAPTER 3—REPAIR METHODOLOGY, p. 3
3.1—Introduction, p. 3
3.2—Condition assessment, p. 3
3.3—Design considerations, p. 4
3.4—Selection of repair methods and materials, p. 5
3.5—Temporary shoring, p. 5
3.6—Construction documents, p. 5
3.7—Bid or contract negotiation process, p. 6
3.8—Execution of work, p. 6
3.9—Maintenance after completion of repairs, p. 7
3.10—Sustainability, p. 7
CHAPTER 4—CONCRETE REMOVAL AND SURFACE PREPARATION, p. 7
4.1—Introduction, p. 7
4.2—Concrete removal, p. 8
4.3—Surface preparation, p. 13
4.4—Quality control and assurance, p. 17
CHAPTER 5—REPAIR MATERIALS, p. 17
5.1—Introduction, p. 17
5.2—Concrete repair and overlay materials, p. 17
5.3—Crack repair materials, p. 19
5.4—Other materials used in concrete repair, p. 21
5.5—Reinforcement, p. 22
CHAPTER 6—CONCRETE AND REINFORCEMENT REPAIR TECHNIQUES, p. 22
6.1—Introduction, p. 22
6.2—Crack repair, p. 22
6.3—Concrete repair, p. 25
6.4—Reinforcement repair, p. 28
6.5—Anchorage, p. 31
6.6—Quality control and assurance, p. 31
CHAPTER 7—PROTECTIVE SYSTEMS, p. 33
7.1—Introduction and selection factors, p. 33
7.2—Typical problems that can be mitigated with protective systems, p. 33
7.3—Total system concept, p. 34
7.4—Surface treatments, p. 35
7.5—Concrete surface preparation and installation requirements, p. 39
7.6—Cracks and joints, p. 40
7.7—Cathodic protection, p. 41
7.8—Chloride extraction, p. 42
7.9—Realkalization, p. 42
CHAPTER 8—STRUCTURAL REPAIR AND STRENGTHENING, p. 42
8.1—General, p. 42
8.2—Epoxy injection crack repair, p. 42
8.3—External reinforcement (encased and exposed), p. 43
8.4—External post-tensioning, p. 45
8.5—Jackets and collars, p. 46
8.6—Supplemental members, p. 46
8.7—General repair parameter considerations, p. 48
8.8—Repair of concrete columns, p. 48
8.9—Repair of concrete beams, girders, and joists, p. 49
8.10—Repair of concrete structural slabs, p. 50
CHAPTER 9—REFERENCES, p. 50
Authored documents, p. 54