Ultrasonic velocity measurement 6 Elastic moduli 3 Nondestructive examination 3 Ultrasonic testing 3 Velocity 3 AHP 2 Analytic hierarchy process 2 CT test 2 Coarse aggregates 2 Computerized tomography 2 Concrete aggregates 2 Concrete buildings 2 Concrete construction 2 Corrosion damage 2 Corrosion evaluation 2 Evaluation methods 2 Glass 2 Hierarchical systems 2 Mixed ionic-electronic glasses 2 Optical properties 2 Process methods 2 Sulfate attack 2 Sulfate corrosion 2 Sulfur compounds 2 Ultrasonic pulse velocity 2 Ultrasonic velocity testing 2 coarse aggregate 2 corrosion evaluation 2 sulfate attack 2 ultrasonic pulse velocity 2