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Full-Text Articles in Structural Engineering
Probabilistic Assessment Of The Friendship Trail Bridge, Rajan Sen, Gray Mullins, Niranjan Pai
Probabilistic Assessment Of The Friendship Trail Bridge, Rajan Sen, Gray Mullins, Niranjan Pai
Civil and Environmental Engineering Faculty Publications
The analysis performed in this study is theoretical and uses data found in the open literature rather than actual data for the bridge. The results presented indicate that the bridge is unlikely to meet a service life of an additional 20 years at reliability levels required by prevailing design codes while foregoing routine maintenance. In the light of the lower than typical reliability predicted by the analysis, more frequent bridge inspections will be needed to maintain safety in the event the bridge is repaired. vii The predictions are critically dependent on assumptions relating to the corrosion rate and statistical distributions …
Remote Monitoring Of Bridges, Rajan Sen, Gray Mullins, Alberto Sagues, Julio Aguilar, Danny Winters
Remote Monitoring Of Bridges, Rajan Sen, Gray Mullins, Alberto Sagues, Julio Aguilar, Danny Winters
Civil and Environmental Engineering Faculty Publications
This report summarizes findings from a 24-month study in which the performance of cathodic protection systems for substructures of two interstate bridges was remotely monitored. The two bridges #860050 and #860054 are located on the “Alligator Alley” toll portion of eastbound I-75 in Broward County, FL. Each bridge spans two pilesupported piers inside a drainage canal. The seven steel H-piles supporting the piers are jacketed in concrete to a level just below the water surface and are cathodically protected by three magnesium anodes spaced uniformly over their submerged length.
Design And Evaluation Of Steel Bridges With Double Composite Action, Rajan Sen, Steven Stroh, Niranjan Pai, Purvik Patel, Dennis Golabek
Design And Evaluation Of Steel Bridges With Double Composite Action, Rajan Sen, Steven Stroh, Niranjan Pai, Purvik Patel, Dennis Golabek
Civil and Environmental Engineering Faculty Publications
This report presents findings from a cooperative USF/URS/FDOT research study undertaken to develop design rules for double composite steel bridges. In the study, a 48 ft long, 16 ft wide, 4 ft. 10⅛ in. deep trapezoidal HPS 70W box section designed to AASHTO’s LRFD 2004 specifications was fabricated and tested. The section has an 8 in. thick top slab and a 7 in. thick bottom slab and represented the entire negative moment region of a full-size, continuous bridge. The specimen was tested to evaluate fatigue, service and ultimate provisions of the AASHTO code. Instrumentation was provided to monitor load, strain, …