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Nondestructive Testing Of The Corrosive Damage Of Reinforced Concrete Structures Using Ultrasonic Method, Ming-Te Liang, Run Huang, Chii-Ming Jiang
Nondestructive Testing Of The Corrosive Damage Of Reinforced Concrete Structures Using Ultrasonic Method, Ming-Te Liang, Run Huang, Chii-Ming Jiang
Journal of Marine Science and Technology
The purpose of this study is to determine the corrosive damage of reinforced concrete members using the ultrasonic technique. The ultrasonic tester (type ULCON 3) connected the touched vertical-beam dictator (frequency: 50kHz, diameter=20mm) is used to measure the velocity and scan the concrete surface for predicting the corrosive damage, When the rebars are corroded, the ultrasonic wave propagation will very due to energy decay and velocity change. Based on the ultrasonic pulse velocity and amplitude, the structural quality of reinforced concrete can be predicted. Some results obtained from this investigation are described as follows: (1) 'The amplitude of refective wave …