Ключевые слова:
Reinforcement, Velocity measurement, Test equipment, Prestressed concrete, Flaw detection, Strength of materials, Testing conditions, Reinforced concrete, Transducers, Modulus of elasticity, Poisson ratio, Sonic testing, Error correction, Ultrasonics, Ultrasonic testing, Cement and concrete technology, Concretes, Accuracy, Correlation methods, Non-destructive testing