Structural Engineering and Mechanics

  • 제10권1호
  • /
  • Pages.37-51
  • /
  • 2000
  • /
  • 1225-4568(pISSN)
  • /
  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Results and implications of the damage index method applied to a multi-span continuous segmental prestressed concrete bridge

  • Wang, Ming L. (Department of Civil and Material Engineering, University of Illinois at Chicago) ;
  • Xu, Fan L. (Department of Civil and Material Engineering, University of Illinois at Chicago) ;
  • Lloyd, George M. (Department of Civil and Material Engineering, University of Illinois at Chicago)
  • 발행 : 2000.07.25
⟨ 이전 논문 다음 논문 ⟩

초록

Identification of damage location based on modal measurement is an important problem in structural health monitoring. The damage index method that attempts to evaluate the changes in modal strain energy distribution has been found to be effective under certain circumstances. In this paper two damage index methods using bending strain energy and shear strain energy have been evaluated for numerous cases at different locations and degrees of damage. The objective is to evaluate the feasibility of the damage index method to localize the damage on large span concrete bridge. Finite element models were used as the test structures. Finally this method was used to predict the damage location in an actual structure, using the results of a modal survey from a large concrete bridge.

키워드

참고문헌

  1. Catbas, F.N., Brown, D. and Lenett, M. (1997), "Model analysis of multi-reference impact test data for steel stringer bridges", Proceedings of 15th International Modal Analysis Conference (Orlando, FL).
  2. Doebling, S.W., Farrar, C.R. and Prime, M.B. (1996), "Damage identification and health monitoring of structural and mechanical systems from changes in their vibration characteristics: A literature review", LA-113070-MS, Los Alamos National Laboratory.
  3. Duffey, T.A., Baker, W.E., Farra, C.R. and Rhee, W.H. (1999), "Detection of damage in axial (Membrane) system", Proceedings of 17h International Modal Analysis Conference (Kissimmee, FL), 876-881.
  4. Farrar, C.R., Baker, W.E. and Bell, T.M. (1994), "Dynamic characterization and damage detection in the I-40 Bridge over the Rio Grand", LA-12767-MS, Los Alamos National Laboratory.
  5. Garcia, G.V., Osegueda, R. and Meza, D. (1999), "Damage detection comparison between damage index method and ARMA method", Proceedings of 17h International Modal Analysis Conference (Kissimmee, FL), 593-598.
  6. Kim, J.T. and Stubbs, N. (1995), "Model-uncertainty impact and damage-detection accuracy in plate girder", Journal of Structural Engineering, ASCE, 121(10), 1409-1417. https://doi.org/10.1061/(ASCE)0733-9445(1995)121:10(1409)
  7. Stubbs, N. and Kim, J.T. (1996), "Damage localization in structures without baseline old parameters", AlAA Journal, 34(8), 1644-1649. https://doi.org/10.2514/3.13284
  8. Stubbs, N. Kim, J.T. and Farrar, C.R. (1995), "Field verification of a nondestructive damage location and severity estimation algorithm", Proceedings of 13th International Modal Analysis Conference, (Nashville Tennessee) Feb.
  9. Satpathi, D., Chen, Z.L., Wang, M.L. and Kim, J.L. (1999), "Monitoring and modeling of a prestressed segmental box bridge", Proceedings of SPIE, Smart Structures and Materials, 1-2 March, 3671, 257-267.
  10. Wang, M.L., Xu, F.L., Satpathi, D. and Chen, Z.L. (1999), "Modal testing for a multi-spans continuous segment prestressed concrete bridge", Proceedings of SPIE, Smart Structures and Materials 1-2 March, 3671, 328-336.
  11. Wang, M.L., Heo, G. and Satpathi, D. (1998), "A health monitoring system for large structural systems", Smart Materials and Structures, 7(5), 606-616. https://doi.org/10.1088/0964-1726/7/5/005

피인용 문헌

  1. Two-step approaches for effective bridge health monitoring vol.23, pp.1, 2006, https://doi.org/10.12989/sem.2006.23.1.075
  2. Improvement of Ecological Footprint Model in National Nature Reserve Based on Net Primary Production (NPP) vol.11, pp.1, 2019, https://doi.org/10.3390/su11010002