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Localized Identification of Constructed Facilities
Journal article   Peer reviewed

Localized Identification of Constructed Facilities

Timothy D Hogue, Ahmet E Aktan and Andres Hoyos
Journal of structural engineering (New York, N.Y.), v 117(1), pp 128-148
Jan 1991
DOI: https://doi.org/10.1061/(ASCE)0733-9445(1991)117:1(128)
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Abstract

TECHNICAL PAPERS
A general constructed facility identification methodology that permits synthesis of localized flexibility coefficients is presented. An application of it to a region of an in-situ concrete bridge is also described. Rigorous analytical investigation and modeling is undertaken first; dynamic testing using low stress level and easily induced impact excitation are executed next. Modal parameters except for damping ratios are identified, then the mass matrix is estimated, and then the flexibility matrix is derived. Model parameters are altered rationally; and a very good match between experimental and model flexibilities is attained. This is accomplished despite the existence of several closely spaced modes and the use of a simple identification algorithm. A static test is conducted to validate the dynamic test-based identification. A very strong agreement is shown between static and dynamic test results. Analytical modeling, field testing, and data reduction are found to be highly interrelated tasks. Remarks on needed further research in each of these areas is presented.

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6 Record Views
14 citations in Web of Science
23 citations in Scopus

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Collaboration types
Domestic collaboration
International collaboration
Web of Science research areas
Construction & Building Technology
Engineering, Civil
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