Concrete structures like roads and bridges require nondestructive testing methods to identify interior defects without destroying their structure. Most methods send sound waves into the material and ...
In summer 1998, TransCanada PipeLines Ltd., Calgary, inspected two sections of a 914-mm (36 in.) OD gas transmission pipeline (predominantly 9.14 mm WT) using an ultrasonic liquid-coupled, crack ...
Dr. Park Chan Wook (Postdoctoral Researcher, Non-Destructive Metrology Group, KRISS); The Korea Research Institute of Standards and Science (KRISS, President Lee Ho-seong) has developed an ultrasonic ...
Researchers created a high-resolution 3D ultrasonic imaging system for concrete that uses broadband ultrasonic signals to automatically adapt to different types of concrete structures. WASHINGTON, Jan ...
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