Determining the depth of surface-opening cracks using impact-generated stress waves and time-of-flight techniques

ACI Materials Journal

Volumn 95, Issue 2, 1998, Pages 168-177

  Sansalone, Mary ^a   Lin, Jiunn Ming ^a   Streett, William B ^a  

^a NONE

Author keywords

Concrete; Crack depth; Diffraction; Impact; Nondestructive testing; Stress waves; Time of flight measurements; Wave speed

Indexed keywords

ACOUSTIC EMISSIONS; ACOUSTIC WAVE DIFFRACTION; ACOUSTIC WAVE VELOCITY; CONCRETE PAVEMENTS; CONCRETE SLABS; CONCRETE TESTING; CRACK PROPAGATION; NONDESTRUCTIVE EXAMINATION; NUMERICAL ANALYSIS; SPECTRUM ANALYSIS;

IMPACT GENERATED STRESS WAVES; SURFACE OPENING CRACKS; TIME OF FLIGHT MEASUREMENTS;

CONCRETES;

EID: 0032025476     PISSN: 0889325X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (6)

1. Sansalone, M., and Carino, N. J., "Impact-Echo: A Method for Flaw Detection in Concrete Using Transient Stress Waves," Report No. NBSIR 86-3452, National Bureau of Standards, Washington, D.C./PB 87-104444/AS, National Technical Information Service, Springfield, Virginia, Sept., 1986, 222 pp.
2. Sansalone, M., and Carino, N. J., "Detecting Honeycombing, the Depth of Surface Opening Cracks, and Ungrouted Ducts Using the Impact-Echo Method," Concrete International, Vol. 10, No. 4, Apr. 1988, pp. 38-46.
3. Sansalone, M.; Lin, J. M.; and Streett, W. B., "A Procedure for Determining P-Wave Speed in Concrete for Use in Impact-Echo Testing Using a Direct P-Wave Speed Measurement Technique," Innovations in Nondestructive Testing, ACI SP, 1996.
4. Whirley, R. G., and Hallquist, J. O., "DYNA3D-A Nonlinear, Explicit, Three-dimensional Finite Element Code for Solid and Structural Mechanics) User Manual," Lawrence Livermore National Laboratory, Report No. UCRL-MA-107264, May 1991.
5. Sansalone, M., and Streett, W. B., Impact-Echo: Nondestructive Evaluation of Concrete and Masonry, Bullbrier Press, Jersey Shore, PA, 1997.
6. Naik, T., and Malhotra, M., "The Ultrasonic Pulse Velocity Method," Handbook on Nondestructive Testing of Concrete, edited by M. Malhotra and N. J. Carino, CRC Press, 1991.