Stack imaging of spectral amplitudes based on impact-echo for flaw detection

NDT and E International

Volumn 35, Issue 3, 2002, Pages 189-196

  Ohtsu, Masayasu ^a   Watanabe, Takeshi ^b  

^a KUMAMOTO UNIVERSITY   (Japan)

^b UNIVERSITY OF TOKUSHIMA   (Japan)

Author keywords

Elastodynamics; Impact echo; Post tensioning duct; Spectral amplitudes; Stack imaging

Indexed keywords

CONCRETE BEAMS AND GIRDERS; CONCRETE CONSTRUCTION; GROUTING; IMAGE ANALYSIS; PRESTRESSED CONCRETE;

STACK IMAGING;

NONDESTRUCTIVE EXAMINATION;

EID: 0036532604     PISSN: 09638695     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0963-8695(01)00045-7     Document Type: Article

References (11)

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5. A generalized theory of acoustic emission and Green's functions in a half space
6. On high-frequency seismic motions of reinforced concrete structures
7. Inversion of defects by linearized inverse scattering methods with measured waveforms
8. Spectral imaging of impact echo technique for grouted ductin post tensioning prestressed concrete beam
9. High-frequency ultrasound technique for testing concrete
10. Imaging of surface-breaking concrete cracks using transient elastic waves