Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Description of ultrasonic methods of detecting cracks in concrete dams; apparatus operates on principle that ultrasonic waves are reflected backwards or dispersed on encountering crack or void in solid body such as concrete; illustrations show "crack detector" in operation.
Description of ultrasonic methods of detecting cracks in concrete dams; apparatus operates on principle that ultrasonic waves are reflected backwards or dispersed on encountering crack or void in solid body such as concrete; illustrations show "crack detector" in operation.
Hydro's ultrasonic eye
Hydro News
Graham, B.L. (Autor:in)
Hydro News ; 35
1948
Aufsatz (Zeitschrift)
Englisch
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