Bridge Management, Inspection and Sustainability
Full Session with Abstracts
340652-5 - Application of a sequence-free iterative structural identification framework for reserve capacity estimation of a steel-concrete composite bridge
Friday, April 20
11:00 AM - 12:30 PM
Most civil engineering structures are designed using justifiably conservative models with the goal of achieving life-safety. The use of conservative models imparts reserve capacity enabling structures to last well beyond their design life. Understanding structural behaviour can enable an engineer to make enhanced decisions regarding asset-management tasks such as retrofit or replacement of these structures. With advances in sensing and computing technology, it is now possible to interpret vast amounts of measurement data to evaluate structural performance. In this paper, the application of a sequence-free iterative structural identification framework on a steel-concrete composite bridge is presented. In the application presented, the iterative nature of decision making is illustrated through varying conditions during the service life of the bridge, such as increased traffic intensity or widening of bridge deck. The engineer utilises new information as it becomes available to update knowledge of structural behaviour and predict the reserve capacity.