Surface Hardness Methods | |
Introduction | p. 1 |
Indentation Methods | p. 2 |
Rebound Method | p. 3 |
Limitations | p. 7 |
Rebound Number and Estimation of Compressive Strength | p. 10 |
Rebound Number and Flexural Strength | p. 11 |
Rebound Number and Modulus of Elasticity | p. 12 |
North American Survey on the Use of the Rebound Hammer | p. 12 |
Standardization of Surface Hardness Methods | p. 13 |
Limitations and Usefulness | p. 13 |
Penetration Resistance Methods | |
Introduction | p. 1 |
Probe Penetration Test System | p. 2 |
Evaluation of the Probe Penetration Test | p. 4 |
Pin Penetration Test | p. 13 |
Standardization of Penetration Resistance Techniques | p. 15 |
Limitations and Usefulness of Penetration Resistance Methods | p. 15 |
Pullout Test | |
Introduction | p. 1 |
Historical Background | p. 2 |
Failure Mechanism | p. 8 |
Statistical Characteristics | p. 17 |
Applications | p. 28 |
Concluding Remarks | p. 36 |
The Break-Off Test Method | |
Introduction | p. 1 |
Theoretical Considerations | p. 2 |
BO Test Equipment | p. 3 |
Historical Background | p. 4 |
Test Procedure | p. 8 |
Evaluation of Test Specimens | p. 13 |
Applications | p. 14 |
Advantages and Limitations | p. 15 |
Standardization of the B.O. Method | p. 15 |
The Maturity Method | |
Introduction | p. 1 |
Historical Background | p. 2 |
Theoretical Basis | p. 12 |
Application of Maturity Method | p. 27 |
Standard Practice | p. 39 |
Conclusion | p. 41 |
Pull-Off Test and Permeation Tests | |
Introduction | p. 1 |
In Situ Strength Assessment | p. 1 |
Measuring Concrete Permeation Properties | p. 4 |
Description of Test Methods | p. 4 |
Concluding Remarks | p. 11 |
Resonant Frequency Methods | |
Introduction | p. 2 |
Resonant Frequency Method | p. 2 |
Other Methods of Resonant Frequent Testing | p. 6 |
Factors Affecting Resonant Frequency and Dynamic Modulus of Elasticity | p. 6 |
Resonant Frequency and Durability of Concrete | p. 8 |
Reproducibility of Test Results | p. 9 |
Correlation between Dynamic Modulus of Elasticity and Strength Properties of Concrete | p. 11 |
Comparison of Moduli of Elasticity Determined from Longitudinal and Transverse Frequencies | p. 11 |
Comparison of Dynamic and Static Moduli of Elasticity | p. 11 |
Specialized Applications of Resonance Tests | p. 14 |
Damping Properties of Concrete | p. 14 |
Standardization of Resonant Frequency Methods | p. 18 |
Limitations and Usefulness of Resonant Frequency Methods | p. 18 |
The Ultrasonic Pulse Velocity Method | |
Historical Background | p. 1 |
Theory of Wave Propagation | p. 2 |
Pulse Velocity Test Instrument | p. 3 |
The Pulse Velocity Method | p. 3 |
Factors Affecting Pulse Velocity | p. 6 |
Standardization of the Pulse Velocity Method | p. 9 |
Applications | p. 10 |
Advantages and Limitations | p. 14 |
Combined Methods | |
Introduction | p. 1 |
Historical Development | p. 2 |
Combined Ultrasonic Pulse Velocity and Hardness Measurement Techniques | p. 3 |
Conclusions | p. 10 |
Magnetic/Electrical Methods | |
Introduction | p. 1 |
Magnetic Methods | p. 1 |
Electrical Methods | p. 9 |
Methods to Evaluate Corrosion of Reinforcement | |
Introduction | p. 1 |
Principles of Corrosion | p. 3 |
Corrosion of Steel in Concrete | p. 6 |
Half-Cell Potential Method | p. 9 |
Concrete Resistivity | p. 13 |
Polarization Resistance | p. 16 |
Summary | p. 20 |
Radioactive/Nuclear Methods | |
Introduction | p. 1 |
General Principles | p. 2 |
Radiometry | p. 4 |
Radiography | p. 12 |
Neutron-Gamma Techniques | p. 19 |
Short-Pulse Radar Methods | |
Introduction | p. 1 |
Principle of Short-Pulse Radar | p. 2 |
Instrumentation | p. 4 |
Applications | p. 7 |
Standardization of Short-Pulse Radar Methods | p. 19 |
Conclusions | p. 19 |
Stress Wave Propagation Methods | |
Introduction | p. 1 |
Basic Principles | p. 2 |
Test Methods | p. 6 |
Summary | p. 28 |
Infrared Thermographic Techniques | |
Introduction | p. 1 |
Historical Background | p. 2 |
Theoretical Considerations | p. 3 |
Testing Equipment | p. 4 |
Testing Procedures | p. 6 |
Case Histories | p. 8 |
Advantages and Limitations | p. 11 |
Summary | p. 13 |
Acoustic Emission Methods | |
Introduction | p. 1 |
Historical Background | p. 2 |
Theoretical Considerations | p. 3 |
Evaluation of Acoustic Emission Signals | p. 4 |
Instrumentation and Test Procedures | p. 6 |
Parameters Affecting Acoustic Emissions from Concrete | p. 8 |
Laboratory Studies of Acoustic Emission | p. 9 |
Field Studies of Acoustic Emission | p. 14 |
Conclusions | p. 14 |
Index | p. 1 |
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