Significance of Operating Environment in Condition Monitoring of Large Civil Structures

Success of remote long-term condition monitoring of large civil structures and developing calibrated analytical models for damage detection, depend significantly on establishing accurate baseline signatures and their sensitivity. Most studies reported in the literature concentrated on the effect of...

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Published inShock and vibration Vol. 6; no. 5-6; pp. 247 - 251
Main Author Alampalli, S
Format Journal Article
LanguageEnglish
Published Hindawi Limited 01.01.1999
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Abstract Success of remote long-term condition monitoring of large civil structures and developing calibrated analytical models for damage detection, depend significantly on establishing accurate baseline signatures and their sensitivity. Most studies reported in the literature concentrated on the effect of structural damage on modal parameters without emphasis on reliability of modal parameters. Thus, a field bridge structure was studied for the significance of operating conditions in relation to baseline signatures. Results indicate that in practice, civil structures should be monitored for at least one full cycle of in-service environmental changes before establishing baselines for condition monitoring or calibrating finite-element models. Boundary conditions deserve special attention.
AbstractList Success of remote long‐term condition monitoring of large civil structures and developing calibrated analytical models for damage detection, depend significantly on establishing accurate baseline signatures and their sensitivity. Most studies reported in the literature concentrated on the effect of structural damage on modal parameters without emphasis on reliability of modal parameters. Thus, a field bridge structure was studied for the significance of operating conditions in relation to baseline signatures. Results indicate that in practice, civil structures should be monitored for at least one full cycle of in‐service environmental changes before establishing baselines for condition monitoring or calibrating finite‐element models. Boundary conditions deserve special attention.
Author Alampalli, S
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CitedBy_id crossref_primary_10_1016_j_compstruc_2003_08_007
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crossref_primary_10_1016_j_engstruct_2005_02_021
crossref_primary_10_1016_j_ymssp_2019_106306
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Title Significance of Operating Environment in Condition Monitoring of Large Civil Structures
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