Non-Destructive and Durability Testing of Concrete
Non-destructive testing (NDT) and durability assessments are crucial in evaluating the in-situ quality, integrity, and long-term performance of concrete structures without damaging them. These techniques are essential for structural diagnostics, maintenance planning, and durability certification.
Main Types of Non-Destructive and Durability Tests
Rebound Hammer Test (Schmidt Hammer)
Description: Measures surface hardness to estimate compressive strength.
Application/Benefits: Quick strength assessment, quality control, mapping of weak zones.
Standard: ASTM C805, EN 12504-2
Ultrasonic Pulse Velocity (UPV) Test
Description: Uses ultrasonic waves to detect internal cracks, voids, and estimate concrete quality.
Application/Benefits: Locates defects, checks uniformity, monitors deterioration.
Standard: ASTM C597, EN 12504-4
Core Sampling and Testing
Description: Extracts cylindrical samples for laboratory analysis of strength and composition.
Application/Benefits: Direct strength measurement, depth evaluation of carbonation/chloride penetration.
Standard: ASTM C42, EN 12504-1
Half-Cell Potential Measurement
Description: Evaluates corrosion risk of embedded steel reinforcement.
Application/Benefits: Early identification of corrosion, maintenance planning.
Standard: ASTM C876
Surface Resistivity and Electrical Methods
Description: Measures concrete electrical resistance to assess permeability and corrosion risk.
Application/Benefits: Durability assessment, especially against chloride penetration and moisture ingress.
Standard: AASHTO T358
Penetration Resistance Test (Windsor Probe)
Description: Measures penetration of probes to estimate surface and near-surface strength.
Application/Benefits: Verifies surface hardening, especially in overlays or repairs.
Standard: ASTM C803
Carbonation Depth Test
Description: Determines depth of carbonation using phenolphthalein indicator.
Application/Benefits: Assesses risk of reinforcement corrosion.
Standard: EN 14630
Chloride Ion Penetration Test (RCPT)
Description: Measures resistance of concrete to chloride ion ingress.
Application/Benefits: Predicts durability in marine and deicing environments.
Standard: ASTM C1202
Information Required for Structural Damage Assessment
Age and service history of the structure
Visible symptoms: cracks, spalling, discoloration, deformations
Previous repair or strengthening interventions
Structure type, load history, and exposure conditions
Need for strength, durability, and corrosion evaluation
Specifications or concerns about service life extension
Applications and Advantages
Early detection of structural weaknesses and deterioration
Cost-effective maintenance strategies
Prolonged service life and improved safety
Non-intrusive, minimal disruption to operations
Essential for infrastructure, bridges, buildings, industrial plants, and historical monuments
Clinic Beton Iran Group NDT and Durability Testing Services
Clinic Beton Iran Group (with the international brand RBS-CONTECH at www.rbs-contech.com) offers advanced non-destructive and durability testing services for concrete structures, including:
On-site NDT for compressive strength, homogeneity, integrity, and corrosion risk
Laboratory and in-situ durability assessments, including carbonation and chloride penetration
Comprehensive reporting and expert consultancy for pathology and maintenance planning
All services conducted in accordance with international standards: ASTM, EN, AASHTO, ISO
Contact Information:
Website: www.clinicbeton.com
Email: clinicbeton.com(AT)gmail.com
Phone: +98 21 88070173, +98 21 88584906
Mobile: +98 9102333497, +98 9120916271, +98 9120916272
International Brand: www.rbs-contech.com
For expert non-destructive testing, pathology, and durability assessment of concrete, rely on Clinic Beton Iran Group—your trusted partner for advanced concrete diagnostics and solutions.