Nondestructive Evaluation of an Existing Concrete Structure using Load Test and Core Test

Azhar Saleem, M. Aziz, Z. A. Siddiqi, M. A. Javed


This research work is focused on nondestructive evaluation of a five storied concrete frame structure of which construction was halted seven years ago. Before further construction could be started again it was imperative to assess the existing condition. For this purpose, load tests and core tests were performed on four floors from basement to first floor. It took more than one year to finish the experimental work. Test results showed that the structure has adequate strength for future use although it was unprotected against severe environmental conditions for several years. Study further confirms the findings of previous researchers that a combination of tests, instead of performing just one type of test, provide more suitable results to confidently accept or reject the structure as a whole or its component for future use.

Full Text:



Huang, Q., Gardoni, P. and Hurlebaus, S., 2011, “Predicting Concrete Compressive Strength Using Ultrasonic Pulse Velocity and Rebound Number”, ACI Material Journal, V. 108, No. 4, pp. 403-412

Hertlein, B.H., 1992, “Role of Nondestructive Testing in Assessing the Infrastructure Crisis,”, Proceedings, Materials Engineering Congress on Performance and Prevention of Deficiencies and Failures, ASCE, pp. 80–91.

Mirmiran, A., 2001, “Integration of NonDestructive Testing In Concrete Education”, Journal of Engineering Education, V. 90, No. 2, pp. 219-222.

Bray, D.E., 1993, “The Role of NDE in Engineering Education,” Materials Evaluation, vol. 51, no. 6, pp. 651–652.

ACI Committee 228, 2003, “In-Place Methods to Estimate Concrete Strength (ACI 228.1R- 03),” American Concrete Institute, Farmington Hills, MI.

Samarin, A., and Meynink, P., 1981, “Use of Combined Ultrasonic and Rebound Hammer Method for Determining Strength of Concrete Structural Members,” Concrete International, V. 3, No. 3, pp. 25-29.

Miretti, R., Carrasco, M. F., Grether, R. O. and Passerino, C. R., 2004, “Combined NonDestructive Methods Applied to Normal-Weight and Lightweight Concrete,” Insight, V. 46, No. 12, pp. 748-753.

Hola, J., and Schabowicz, K., 2005, “New Technique of Nondestructive Assessment of Concrete Strength Using Artificial Intelligence,” NDT&E International, V. 38, pp. 251-259.

ASTM C42, 2003, “Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete” ASTM International, West Conshohocken, PA.

Nanni, A. and M. Mettemeyer, 2001, "Diagnostic Load Testing of a Two-Way Postensioned Concrete Slab," ASCE Practice Periodical on Structural Design and Construction, V. 6, No. 2, pp. 73-82.

Mettemeyer, M., 1999, “In Situ Rapid Load Testing of Concrete Structures”, Masters Thesis, University of Missouri – Rolla, Rolla, Missouri, pp. 113.

Mettemeyer, M. and Nanni, A., 1999, “Guidelines for Rapid Load Testing of Concrete Structural Members”, CIES 99-5, Report, University of Missouri – Rolla, Rolla, Missouri.

ACI Committee 318, 2008, “Building Code Requirements for Structural Concrete (ACI 318- 08).”American Concrete Institute, Farmington Hills, MI.

Casadei, P., Parretti, R., Nanni, A. and Heinze, T., 2005, “In Situ Load Testing of Parking Garage Reinforced Concrete Slabs: Comparison between 24 h and Cyclic Load Testing”, Practice Periodical on Structural Design and Construction, V. 10, No. 1, pp. 40-48.

Bungey, J. H., 1989, “The Testing of Concrete in Structures, 2nd Ed., Chapman and Hall, New York.

Fling, R. S., McCrate, T. E., and Doncaster, C. W., 1989, “Load test compared to earlier structure failure”, Concrete International, American Concrete Institute, V. 18, No. 11, pp. 22–27.

Hall, W. B., and Tsai, M. (1989). “Load testing, structural reliability and test evaluation.” Structural safety, Elsevier Science, New York, Vol. 6, 285–302.

"Minimum Design Loads for Buildings and Other Structures (7-05)," American Society of Civil Engineers, Reston, VA., USA., 2006.

Copyright (c) 2016 Azhar Saleem

Powered By KICS