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Semi-direct measurements of ultrasonic pulse velocity in proposed concrete reference specimens

Chih-Hung Chiang
Associate Professor
Po-Chih Chen
Research Assistant
Department of Construction Engineering, Chaoyang University of Technology
Wufeng, Taichung, Taiwan 413.
Contact

Abstract

1. Introduction

2. Proposed concrete reference specimens

3. Novel semi-direct measurement scheme

4. Measurement results

5. Statistical analysis of measurement results

6. Conclusion

References

  1. ACI 228.2R-98 "Nondestructive test methods for evaluation of concrete in structures" Chapter 3.
  2. BS 1881: Part 203: 1986 "Testing concrete -Recommendations for measurement of velocity of ultrasonic pulses in concrete"
  3. Popovics S, Komlos K, Popovics J (1997) Comparison of DIN/ISO 8047 to several standards on determination of ultrasonic pulse velocity in concrete. Paper presented at the International Symposium Non-Destructive Testing in Civil Engineering, Sep. 26-28, 1995 Berlin. Can be found in http://www.ndt.net/article/civil497/iso8047/iso8047.htm.
  4. ASTM C597-83 "Standard test method for pulse velocity through concrete" Section 4.
  5. ACI 523.2R-96 "Guide for precast cellular concrete floor, roof, and wall units" Section 6.2
  6. Naik T R, Malhotra V M (1991) The ultrasonic pulse velocity method. CRC Handbook on Nondestructive Testing of Concrete, Chapter 7, Edited by V. M. Malhotra and N. J. Carino. CRC Press. Boca Raton.
  7. ASTM C597-83 Section 3.
  8. ACI 214.3R-88 "Simplified version of the recommended practice for evaluation of strength test results of concrete" pp. 214.3R-1 to 214.3R-2.
  9. ACI 228.1R-95 "In-place methods to estimate concrete strength" Chapter 2.
  10. ACI 214.3R-88 p. 214.3R-7.
  11. ACI 228.1R-95 Section 2, Chapter 3.

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