Bridge structural condition assessment using systematically validated finite-element model
Journal of Bridge Engineering
American Society of Civil Engineers
Structural condition assessment of highway bridges is largely based on visual observations described by subjective indices, and it is necessary to develop methodology for accurate and reliable condition assessment of aging and damaged structures. This paper presents a method using a systematically validated finite element model for quantitative condition assessment of a damaged reinforced concrete bridge deck structure, including damage location and extent, residual stiffness evaluation and loadcarrying capacity assessment. In a trial of the method in a cracked bridge beam, the residual stiffness distribution was determined by model updating thereby locating the damage in the structure. Furthermore the damage extent was identified through a defined damage index and the residual load-carrying capacity was estimated.
Author's manuscript. The final publishe dversion is available from the publisher via http://dx.doi.org/10.1061/(ASCE)1084-0702(2004)9:5(418). Copyright © 2004 American Society of Civil Engineers
Vol. 9, pp. 418 - 423