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Highway Sign Support Systems: Condition Assessment Deterioration Models and Asset Management
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2024-06-20
[PDF-2.67 MB]
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Edition:Final Report, 12/1/2021 – 6/30/2023
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Abstract:Sign support systems are important structures in the Connecticut Department of Transportation (CTDOT) bridge management system. Periodic inspections and maintenance activities are needed as long-term cost-effective maintenance strategy. This research provided the deterioration model and asset management plan for sign support systems to be considered for integration with the existing BMS. The investigation included reaching out to every Department of Transportation (DOT) in the US to complete a survey on the topic. The experimental portion of the project focused on field instrumentation and testing of a highway sign support that is cantilever-type structure. The data was collected and analyzed, and it was used to verify the three-dimensional finite element (FE) model developed, which was used to test the structures design capacity.
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