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Highways &
Bridges |
Tinnea & Associates was the prime contractor to the State of Alaska Department of Transportation and Public Facilities for a multidiscipline condition and rating inspection of the Water Street and Tongass Avenue viaducts in Ketchikan, Alaska. The inspection team included corrosion engineers, civil engineers, structural engineers, divers and ground penetrating radar inspecton. Following the inspection, Tinnea & Associates prepared plans and specifications for the restoration of these two bridges.
Project details
Tinnea & Associates was the Co-Principal Investigator for a failure analysis for the Province of Ontario, Canada, Ministry of Transportation. This project researched the corrosion failure of epoxy coated reinforcing steel embedded in a bridge. Included in the work were electrochemical testing, petrography, chemical testing (chloride and carbonation), adhesion testing and microscopy .
Project details
Tinnea & Associates was Co-Principal Investigator for the National Academy of Science's Strategic Highway Research Program research project. This work involved evaluating the success, or failure, of rehabilitation strategies to correct rebar corrosion on 287 bridges in the United States and Canada.
Tinnea & Associates was the corrosion consultant for an in depth corrosion study of historic coastal bridges, including footer piles. This included conventionally reinforced concrete and steel truss bridges. This work was performed for the State of Oregon Department of Transportation.
Tinnea & Associates was the corrosion consultant for the design, construction management and acceptance testing of substructure conductive coating cathodic protection systems for the States of Alaska, Oregon, Washington and Virginia Departments of Transportation. |
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