United States Department of Transportation
i
Infrastructure Inspection During and After Unexpected Events – Phase III
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2021-11-01
[PDF-2.61 MB]
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Alternative Title:Infrastructure Inspection During and After Unexpected Events Third Year Final Report and Outcomes
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Edition:Final Report January 2020 – December 2020
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Abstract:This report presents the development of a new methodology called bridge loading capacity prediction (BLCP). The proposed method also presents a new rating factor (RF) estimation. An updated bridge finite element model (FEM) is deployed to represent a numerical model of a prototype for BLCP application. The methodology iteratively imposes traffic loads on the bridge FEM until the 3D failure criteria is met as the ultimate load-carrying capacity of the bridge. The results obtained by the proposed method were compared with conventional as well as experimental results from a well-documented bridge model. The proposed BLCP can also be appended to commercial RF software and could help the Department of Transportation make quick decisions about issuing permits to trucks that can safely cross the bridge.
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