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Project Details

Title:Improving Deep Learning Models for Bridge Management Using Physics-Based Deep Learning
Principal Investigators:Farnoush Banaei-Kashani and Kevin Rens
University:University of Colorado Denver
Status:Active
Year:2021
Grant #:69A3551747108 (FAST Act)
Project #:MPC-650
RiP #:01769505
Keywords:bridge management systems, deterioration, machine learning, physics
 

Abstract

While various data-driven models are proposed in the literature to forecast bridge deterioration, these models either suffer from low accuracy or are too complex to be applicable in practice. With our prior work, we have demonstrated that deep learning (DL) can significantly outperform other analytical modeling methodologies in bridge deterioration forecasting. However, such models solely rely on data, and unlike physics-based models, cannot benefit from the vast knowledge and experience of bridge engineers encoded in existing physics-based models. As a result, accuracy and efficiency of these models are suboptimal. With this proposal, we intend to develop hybrid physics-based DL models that can benefit from both effectiveness of DL and the prior knowledge encoded in physics-based bridge models. Such hybrid models are expected to outperform the DL-only models in terms of accuracy and efficiency; hence, enabling further enhanced bridge management.

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