Detection of thickness, voids, honeycombs and tendon ducts utilising ultrasonic impulse-echo technique

Jansohn, R. / Kroggel, O. / Ratmann, M. | Tema Archiv | 1995

Detection of Thickness, Voids, Honeycombs and Tendon Ducts Utilising Ultrasonic Impulse-Echo-Technique

Jansohn, R. / Kroggel, O. / Ratmann, M. et al. | British Library Conference Proceedings | 1995

USING IMPACT - ECHO TO ASSESS TENDON DUCTS

Jaeger, Barbara J. | Online Contents | 1997

Detecting Voids in Grouted Tendon Ducts of Post-Tensioned Concrete Structures Using the Impact-Echo Method

Jaeger, Barbara J. | Online Contents | 1996

Modification of the Zero Group Velocity (impact echo) resonance frequency in the presence of voids for the inspection of tendon ducts

Abraham, O. / Popovics, J.S. / Cottineau, L.M. | Tema Archiv | 2011