Key Standards Related to Concrete Repair and Strengthening (With Summaries)
EN 1504 (Parts 1–10) – European Standard
Title: Products and Systems for the Protection and Repair of Concrete Structures
Summary: This is the most comprehensive standard series for concrete repair. It includes terminology, criteria, product requirements, application methods, performance tests, and quality control for repair mortars, injection products, surface protection, structural strengthening (including FRP systems), anchoring, and monitoring effectiveness.
EN 1504-1: Definitions and common principles
EN 1504-2: Surface protection methods and materials
EN 1504-3: Structural and non-structural repair with mortars and concretes
EN 1504-4: Structural bonding (e.g., adhesives for plate bonding)
EN 1504-5: Concrete injection
EN 1504-6: Anchoring of reinforcing steel bar
EN 1504-7: Reinforcement corrosion protection
EN 1504-8: Quality control, execution of work
EN 1504-9: General principles for repair and protection
EN 1504-10: Site application and quality control
ACI 562 – American Standard
Title: Code Requirements for Assessment, Repair, and Rehabilitation of Existing Concrete Structures
Summary: Published by the American Concrete Institute (ACI), this standard provides requirements and guidelines for evaluating, designing, and executing repairs or strengthening for concrete structures in service, including both materials and procedures.
ACI 440.2R
Title: Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures
Summary: Detailed guidelines on strengthening concrete with fiber-reinforced polymer (FRP) composites, including material selection, design, installation, and quality control.
ACI 546R
Title: Concrete Repair Guide
Summary: Offers an overview of evaluation, repair materials, surface preparation, repair methods (including patching, overlays, and injections), and best practices.
ACI 364.1R
Title: Guide for Evaluation of Concrete Structures Prior to Rehabilitation
Summary: Methods for inspecting, assessing damage, diagnosing causes, and selecting appropriate repair strategies.
AS/NZS 5100.8
Title: Bridge Design - Rehabilitation and Strengthening
Summary: Standard for assessment, rehabilitation, and strengthening of bridge structures (Australia/New Zealand context).
ISO 16311 Series
Title: Maintenance and Repair of Concrete Structures
Summary: International guidelines for diagnosis, repair material selection, repair methods, and maintenance of concrete.
ASTM Standards
ASTM C881: Standard Specification for Epoxy-Resin-Base Bonding Systems for Concrete
ASTM C882: Bond Strength by Slant Shear Method
ASTM C1600/C1600M: Practice for the Use of Adhesive-Bonded External Reinforcement for Strengthening Concrete Structures
ASTM D7522: Pull-Off Strength of Strengthening Systems Bonded to Concrete
CSA S6-14 (Canada)
Relevant Section: Bridge strengthening, repair criteria, and FRP installation.
Summary Table
| Standard / Code | Main Topic | Scope / Key Aspects |
|--------------------------|---------------------------------|----------------------------------------|
| EN 1504 (1–10) | All aspects of repair & protection | Product specs, application, QA/QC |
| ACI 562 | Repair & assessment/rehab | Design, materials, performance |
| ACI 440.2R | FRP strengthening | Design & construction |
| ACI 546R | General repair methods | Materials, procedures, troubleshooting |
| ACI 364.1R | Structural evaluation | Inspection & assessment |
| ASTM C881 / C882 | Epoxy bonding | Material specs, bond strength |
| ASTM C1600, D7522 | External reinforcement | Adhesives, pull-off test |
| ISO 16311 | Repair & maintenance | International recommendations |
| AS/NZS 5100.8 | Bridge rehab/strengthening | Practice for bridges |
Tip: Always check national/local codes for any modifications or supplements to these international standards, and ensure repair products and systems are certified per these documents in your region.
For technical consultancy, supply, and application of repair/strengthening materials in Iran, contact:
Clinic Beton Iran
RBS-CONTECH International Brand