Assessment of damage identification algorithms on experimental and numerical bridge data
Over the past 25 years, the use of vibrational parameters for detecting damage in a structure has received considerable attention from the civil, aerospace, and mechanical engineering communities. The general idea is that changes in the structure`s physical properties, primarily stiffness, will alter the dynamic properties of the structure such as resonant frequencies and mode shapes. Properties such as the flexibility matrix, stiffness matrix, and mode shape curvature, which are obtained through manipulation of the modal parameters, have shown promise in localizing structural damage. In this paper, five techniques for damage assessment are demonstrated and compared using experimental and analytical data from a highway bridge.
- Research Organization:
- Los Alamos National Lab., NM (United States)
- Sponsoring Organization:
- New Mexico State Government, Santa Fe, NM (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 202428
- Report Number(s):
- LA-UR--95-3443; CONF-960459--1; ON: DE96002778
- Country of Publication:
- United States
- Language:
- English
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