Optimized Models for Predicting Structural Response in Highway Bridges

by Bradley N. Robson, Univ of Colorado, Boulder, CO, USA,
Dan M. Frangopol, Univ of Colorado, Boulder, CO, USA,
George G. Goble, Univ of Colorado, Boulder, CO, USA,

Document Type: Proceeding Paper

Part of: Electronic Computation


Optimization techniques are a viable option for modeling bridges that have been field tested. The error between the experimental strains and the analytical strains is minimized by adjusting the properties of the element groups, which are inherently variable. The optimized bridge models provide a realistic bridge behavior. This investigation has yielded insights into bridge response characteristics not well known. This information can assist bridge engineers when designing future bridges or evaluating existing bridges which have not been field tested.

Subject Headings: Optimization models | Highway bridges | Bridges | Structural models | Highway and road structures | Structural response | Bridge design | Strain

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