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ACI CODE-562-25: Assessment, Repair, and Rehabilitation of Existing Concrete Structures - Code Requirements and Commentary, 2025
- Title Page
- Preface
- Chapter 1—General Requirements [Go to Page]
- 1.1—Scope
- 1.2—General
- 1.3—Purpose
- 1.4—Applicability of this Code
- 1.5—Administration
- 1.6—Design and construction documents
- 1.7—Assessment, design, and construction requirements if used with an existing building code
- 1.8—Assessment, design, and construction requirements if used as a stand-alone code
- Chapter 2—Notation and Definitions [Go to Page]
- 2.1—Notations
- 2.2—Definitions
- Chapter 3—Referenced Standards
- Chapter 4—Criteria as a Stand-Alone Code for Assessment, Repair, and Rehabilitation of Existing Structures [Go to Page]
- 4.1—General
- 4.2—Criteria for the assessment, repair design, and rehabilitation design of existing concrete structures
- 4.3—Severe strength deficiencies and dangerous conditions
- 4.4—Substantial structural damage
- 4.5—Less than substantial structural damage with strengthening
- 4.6—Less than substantial structural damage without strengthening
- 4.7—Additions
- 4.8—Alterations
- 4.9—Change of occupancy or use
- Chapter 5—Loads, Factored Load Combinations, and Strength Reduction Factors [Go to Page]
- 5.1—General
- 5.2—Loads and factored load combinations for repair or rehabilitation design
- 5.3—Strength reduction factors for repair or rehabilitation design
- 5.4—Strength reduction factors for detailed assessment
- 5.5—Additional load combinations for structures repaired with external reinforcing system
- 5.6—Additional load combinations for structures subjected to fire
- Chapter 6—Assessment, Evaluation, and Analysis [Go to Page]
- 6.1—Assessment
- 6.2—Preliminary assessment
- 6.3—Detailed assessment
- 6.4—Reliability-based assessment
- 6.5—Field investigation
- 6.6—Material properties
- 6.7—Test methods to quantify material properties
- 6.8—Evaluation requirements for systems, members, and elements
- 6.9—Serviceability evaluation
- 6.10—Durability evaluation
- 6.11—Structural analysis of existing structures
- 6.12—Structural analysis for repair or rehabilitation design
- 6.13—Strength evaluation by load testing
- 6.14—Strength evaluation by model analysis and testing
- Chapter 7—Fire Resistance, Assessment, and Damage Repair [Go to Page]
- 7.1—General
- 7.2—Fire resistance of existing concrete members
- 7.3—Fire resistance with external reinforcement
- 7.4—Assessment and repair of fire-damaged structures
- Chapter 8—Reinforcement Details and Condition for Structural Evaluation and Repair Design [Go to Page]
- 8.1—General
- 8.2—Types of historical reinforcing bars
- 8.3—Development length of historical steel reinforcing bars
- 8.4—Corroded reinforcement
- 8.5—Corroded prestressed reinforcement
- 8.6—Tendon splicing
- 8.7—Tendon anchorage zones
- Chapter 9—Design of Repairs [Go to Page]
- 9.1—General
- 9.2—Strength and serviceability
- 9.3—Behavior and detailing of repaired systems
- 9.4—Interface bond of cementitious materials for repair
- 9.5—Materials
- 9.6—Section enlargement repair
- 9.7—Prestressed concrete repair
- 9.8—Repairs using supplemental reinforcement
- Chapter 10—Durability [Go to Page]
- 10.1—General
- 10.2—Cover
- 10.3—Cracks
- 10.4—Corrosion and deterioration of reinforcement and metallic embedments
- 10.5—Surface treatments and coatings
- Chapter 11—Temporary Works [Go to Page]
- 11.1—General
- 11.2—Temporary shoring and bracing design
- 11.3—Additional requirements for prestressed concrete
- Chapter 12—Construction Documents [Go to Page]
- 12.1—General
- 12.2—Design information
- 12.3—Temporary shoring and bracing requirements
- 12.4—Environmental remediation requirements
- Chapter 13—Quality Assurance [Go to Page]
- 13.1—General
- 13.2—Qualifications—Inspectors and testing agencies
- 13.3—Inspection
- 13.4—Testing of materials
- 13.5—Construction observation
- 13.6—Project record documents
- Chapter 14—Commentary References [Go to Page]
- Authored documents
- APPENDIX A—Mean Load Method [Go to Page]
- A.1—General
- A.2—Application [Go to Page]
