Journal of the Architectural Institute of Korea Structure & Construction (대한건축학회논문집:구조계)

Architectural Institute of Korea (대한건축학회)
권호 표지
DOI QR코드

DOI QR Code

Study on The Damage Location Detection of Shear Building Structures Using The Degradation Ratio of Story Stiffness

층강성 손상비를 이용한 전단형 건물의 손상위치 추정에 관한 연구

  • Yoo, Seok-Hyung (Department of Architectural Engineering, Gyeongnam National University of Science and Technology)
  • 유석형 (경남과학기술대학교 건축공학과)
  • Received : 2017.07.19
  • Accepted : 2017.12.04
  • Published : 2018.02.28
⟨ Previous Next ⟩

Abstract

Damage location and extent of structure could be detected by the inverse analysis on dynamic response properties such as frequencies and mode shapes. In practice the measured difference of natural frequencies represent the stiffness change reliably, however the measured mode shape is insensitive for stiffness change, but provides spatial information of damage. The damage detection index on shear building structures is formulated in this study. The damage detection index could be estimated from mode shape and srory stiffness of undamaged structure and frequency difference between undamaged and damaged structure. For the verification of the observed damage detection method, the numerical analysis of Matlab and MIDAS and shacking table test were performed. In results, the damage index of damaged story was estimated so higher than undamaged stories that indicates the damaged story apparently.

Keywords

Acknowledgement

Supported by : 경남과학기술대학교

References

  1. Choi, Y. S., & Yoon, S. K. (2001). The study of Damage Assessment for Frame Structure Using Sensitivity Analysis, Journal of the Architectural Institute of Korea, 17(11), 35-42.
  2. Farrar, C. R., & Jauregui, D. A. (1996). Damage detection algorithms applied to experimental and numerical model data from the I-40 bridge, Los Alamos National Laboratory Report, LA-12070-MS.
  3. Han, D. H., Kim, J. W., & Yoon, S. K. (2003). A study on the Damage Assessment Using Modal Data Estimation Method, Journal of the Architectural Institute of Korea, 19(12), 97-104.
  4. Hong, K. S., Yun, C. B., & Ryu, C. S. (1992). Damage Estimation of Structue by Second Order Modal Perturbation, COSEIK, 5(3)
  5. National Emergency Management Agency (2016). Seimic Acceleration Instrument Instalation and Operating Standards, Korea
  6. Ndambi, J. M., Vantomme, J., & Harri, K. (2002). Damage assessment in reinforced concrete beams using eigenfrequencies and mode shape derivatives, Journal of Engineering Structures, 24, 501-515. https://doi.org/10.1016/S0141-0296(01)00117-1
  7. Rahai, A., Bakhtiari-Nejad, F., & Esfandiari, A. (2007). Damage Assessment of Structure Using Incomplete Measured Mode Shapes, Structural Control and Health Monitoring, 14(5), 808-829. https://doi.org/10.1002/stc.183
  8. Salawu, O. S. (1997). Detection of structural damage through changes in frequency: a review, Journal of Engineering Structures, 19(9), 718-723. https://doi.org/10.1016/S0141-0296(96)00149-6
  9. Yoo, S. H., & Lee, H. K. (2013). Damage Location Detection of Shear Building Structures Using Mode Shape, Journal of the Korea Institute for Structural maintenance Inspection, 17(1), 124-131. https://doi.org/10.11112/jksmi.2013.17.1.124
  10. Yoo, S. H. (2014). Damage Detection of Shear Building Structures Using Dynamic Response, Journal of the Korea Institute for Structural maintenance Inspection, 18(3), 101-107. https://doi.org/10.11112/JKSMI.2014.18.3.101
  11. Yoon, M. K., Dirk, H., John, W. G., Colin, P. R., & Roger, M. C. (2009). Local damage detection with the global fitting method using mode shape data in notchedcrete beams, Journal of Nondestructive Evaluation, 28(2), 63-74. https://doi.org/10.1007/s10921-009-0048-6
  12. Zhao, J., & DeWolf, J. T. (1999). Sensitivity Study for Vibrational Parameters Used In Damage Detection, Journal of Structural Engineering, ASCE, 125(4), 410-416. https://doi.org/10.1061/(ASCE)0733-9445(1999)125:4(410)
  13. Zhou, Z. (2006). Vibration based damage detection of simple bridge superstructures, Ph. D. Thesis, Department of Civil and Geological Engineering, University of Saskatchewan, Saskatoon, Canada.