Evaluation of Disconnect Boxes and Signal Heads for Hurricane Resistance: [Summary]
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2013-05-01
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NTL Classification:NTL-OPERATIONS AND TRAFFIC CONTROLS-Traffic Control Devices
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Abstract:The objectives of this project were to quantify the maximum load requirements for disconnect boxes and signal heads and to develop test methods for product testing. Test programs for both flexure and tension were developed with the goal of producing repeatable test procedures. Tests were performed on each of the disconnect box and signal products on the Florida Department of Transportation (FDOT)-approved product list, recording maximum load and failure mode of each product. Tests were then performed using retrofit reinforcement in order to determine the strength improvement achieved using available reinforcement methods. Finally, tests were performed on a combined signal and disconnect system to evaluate behavior of individual components as compared to the system.
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