International Journal of Highway Engineering (한국도로학회논문집)

Korean Society of Road Engineers (한국도로학회)
권호 표지
DOI QR코드

DOI QR Code

Evaluation of the Dynamic Modulus by using the Impact Resonance Testing Method

비파괴충격파 시험법을 이용한 동탄성계수 평가

  • Kim, Dowan (Department of Civil Engineering, Seoul National University of Science and Technology) ;
  • Jang, ByungKwan (Department of Civil Engineering, Seoul National University of Science and Technology) ;
  • Mun, Sungho (Department of Civil Engineering, Seoul National University of Science and Technology)
  • 김도완 (서울과학기술대학교 건설시스템디자인공학과) ;
  • 장병관 (서울과학기술대학교 건설시스템디자인공학과) ;
  • 문성호 (서울과학기술대학교 건설시스템디자인공학부)
  • Received : 2014.03.18
  • Accepted : 2014.04.08
  • Published : 2014.06.16
Download PDF
⟨ Previous Next ⟩

Abstract

PURPOSES : The dynamic modulus for a specimen can be determined by using either the non-destructed or destructed testing method. The Impact Resonance Testing (IRT) is the one of the non-destructed testing methods. The MTS has proved the source credibility and has the disadvantages which indicate the expensive equipment to operate and need a lot of manpower to manufacture the specimens because of the low repeatability with an experiment. To overcome these shortcomings from MTS, the objective of this paper is to compare the dynamic modulus obtained from IRT with MTS result and prove the source credibility. METHODS : The dynamic modulus obtained from IRT could be determined by using the Resonance Frequency (RF) from the Frequency Response Function (FRF) that derived from the Fourier Transform based on the Frequency Analysis of the Digital Signal Processing (DSP)(S. O. Oyadigi; 1985). The RF values are verified from the Coherence Function (CF). To estimate the error, the Root Mean Squared Error (RMSE) method could be used. RESULTS : The dynamic modulus data obtained from IRT have the maximum error of 8%, and RMSE of 2,000MPa compared to the dynamic modulus measured by the Dynamic Modulus Testing (DMT) of MTS testing machine. CONCLUSIONS : The IRT testing method needs the prediction model of the dynamic modulus for a Linear Visco-Elastic (LVE) specimen to improve the suitability.

Keywords

References

  1. AASHTO TP 62-03, 2005. Standard method of Test for Determining Dynamic Modulus of Hot-mix Asphalt Concrete Mixtures, American Association of State and Highway Transportation Officials, 2005.
  2. ISO 9052-1, 1989. Determination of dynamic stiffness
  3. Jang, Byung Kwan, Kim, Dowan, Mun, Sungho and Jang, Youngsun. Evaluation for Moisture Susceptibility of Asphalt Mixtures using Non-Destructive Impact Wave, Journal of Korean Society of Road Engineers, 15(3), pp. 53-63. 2013. https://doi.org/10.7855/IJHE.2013.15.3.053
  4. Jang, Byung Kwan, Yang, Sung Lin and Mun, Sungho. Study for Dynamic Modulus Change Measurement of Permeable Asphalt Mixtures with Various Porosity using Non-Destructive Impact Wave, Journal of Korean Society of Road Engineers, 15(3), pp. 65-74. 2013. https://doi.org/10.7855/IJHE.2013.15.3.065
  5. KS F 2398, 2005. Standard test method for resistance of compacted asphalt mixtures to moisture induced damage
  6. Kwan-Ho, Lee and Kyung-Rae, Cho. Evaluation of Dynamic Modulus based on Aged Asphalt Binder, Journal of Korean Society of Hazard Mitigation, 8(3), pp. 51-58. 2008.
  7. Kweon Gi chul and Jae Hoan Lee. Evaluation of Effects on Impact Resonance Test for Determining Modulus of Asphalt Concrete, Journal of Korean Society of Road Engineers, 9(2), pp. 89-99. 2007.
  8. Oyadiji S. O. and Tomlinson G.R. Determination Of The Complex Moduli Of Viscoelastic Structural Elements By Resonance And Non-Resonance Methods, Journal of Sound and Vibration, 101(3), pp. 277-298. 1985. https://doi.org/10.1016/S0022-460X(85)80129-2
  9. Witczak, M. W. and Fonseca, O. A. Revised Predictive Model for Dynamic (Complex) Modulus of Asphalt Mixture, TRB Record, 1996.
  10. Yang, Sung Lin, Baek, Cheolmin, Jeong, Kyu Dong, Kim, Young Min, Kim, Yong Joo and Hwang, Sung Do. A Study on Field Application and Laboratory Performance Evaluation of Warm Mix Asphalt, Journal of Korean Society of Road Engineers, 14(4), pp. 9-18. 2012. https://doi.org/10.7855/IJHE.2012.14.4.009