Table of Contents
Preface, p. 4
Chapter 1—General Requirements, p. 5
1.1—Scope, p. 5
1.2—General, p. 5
1.3—Purpose, p. 5
1.4—Applicability of this Code, p. 5
1.5—Administration, p. 6
1.6—Design and construction documents, p. 7
1.7—Assessment, design, and construction requirements if used with an existing building code, p. 8
1.8—Assessment, design, and construction requirements if used as a stand-alone code, p. 10
Chapter 2—Notation and Definitions, p. 12
2.1—Notations, p. 12
2.2—Definitions, p. 14
Chapter 3—Referenced Standards, p. 23
Chapter 4—Criteria as a Stand-Alone Code for Assessment, Repair, and Rehabilitation of Existing Structures, p. 26
4.1—General, p. 26
4.2—Criteria for the assessment, repair design, and rehabilitation design of existing concrete structures, p. 26
4.3—Severe strength deficiencies and dangerous conditions, p. 28
4.4—Substantial structural damage, p. 30
4.5—Less than substantial structural damage with strengthening, p. 31
4.6—Less than substantial structural damage without strengthening, p. 33
4.7—Additions, p. 33
4.8—Alterations, p. 34
4.9—Change of occupancy or use, p. 35
Chapter 5—Loads, Factored Load Combinations, and Strength Reduction Factors, p. 37
5.1—General, p. 37
5.2—Loads and factored load combinations for repair or rehabilitation design, p. 37
5.3—Strength reduction factors for repair or rehabilitation design, p. 38
5.4—Strength reduction factors for detailed assessment, p. 39
5.5—Additional load combinations for structures repaired with external reinforcing system, p. 39
5.6—Additional load combinations for structures subjected to fire, p. 40
Chapter 6—Assessment, Evaluation, and Analysis, p. 42
6.1—Assessment, p. 42
6.2—Preliminary assessment, p. 42
6.3—Detailed assessment, p. 44
6.4—Reliability-based assessment, p. 46
6.5—Field investigation, p. 47
6.6—Material properties, p. 48
6.7—Test methods to quantify material properties, p. 52
6.8—Evaluation requirements for systems, members, and elements, p. 58
6.9—Serviceability evaluation, p. 63
6.10—Durability evaluation, p. 65
6.11—Structural analysis of existing structures, p. 66
6.12—Structural analysis for repair or rehabilitation design, p. 68
6.13—Strength evaluation by load testing, p. 69
6.14—Strength evaluation by model analysis and testing, p. 69
ChapTer 7—Fire Resistance, Assessment, and Damage Repair, p. 70
7.1—General, p. 70
7.2—Fire resistance of existing concrete members, p. 71
7.3—Fire resistance with external reinforcement, p. 72
7.4—Assessment and repair of fire-damaged structures, p. 73
Chapter 8—Reinforcement Details and Condition for Structural Evaluation and Repair Design, p. 76
8.1—General, p. 76
8.2—Types of historical reinforcing bars, p. 76
8.3—Development length of historical steel reinforcing bars, p. 76
8.4—Corroded reinforcement, p. 79
8.5—Corroded prestressed reinforcement, p. 81
8.6—Tendon splicing, p. 82
8.7—Tendon anchorage zones, p. 82
ChapTer 9—Design of Repairs, p. 84
9.1—General, p. 84
9.2—Strength and serviceability, p. 84
9.3—Behavior and detailing of repaired systems, p. 84
9.4—Interface bond of cementitious materials for repair, p. 85
9.5—Materials, p. 90
9.6—Section enlargement repair, p. 92
9.7—Prestressed concrete repair, p. 92
9.8—Repairs using supplemental reinforcement, p. 93
Chapter 10—Durability, p. 95
10.1—General, p. 95
10.2—Cover, p. 98
10.3—Cracks, p. 98
10.4—Corrosion and deterioration of reinforcement and metallic embedments, p. 99
10.5—Surface treatments and coatings, p. 101
ChapTer 11—Temporary Works, p. 102
11.1—General, p. 102
11.2—Temporary shoring and bracing design, p. 102
11.3—Additional requirements for prestressed concrete, p. 103
ChapTer 12—Construction Documents, p. 104
12.1—General, p. 104
12.2—Design information, p. 104
12.3—Temporary shoring and bracing requirements, p. 110
12.4—Environmental remediation requirements, p. 111
ChapTer 13—Quality Assurance, p. 112
13.1—General, p. 112
13.2—Qualifications—Inspectors and testing agencies, p. 112
13.3—Inspection, p. 113
13.4—Testing of materials, p. 115
13.5—Construction observation, p. 119
13.6—Project record documents, p. 119
Chapter 14—Commentary References, p. 121
Authored documents , p. 124
APPENDIX A—Mean Load Method, p. 129
A.1—General, p. 129
A.2—Application, p. 129