Bridge structural condition assessment using systematically validated finite-element model
Xia, Pin-Qi; Brownjohn, James
Date: 1 September 2004
Journal
Journal of Bridge Engineering
Publisher
American Society of Civil Engineers
Publisher DOI
Abstract
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 ...
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.
Engineering
Faculty of Environment, Science and Economy
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