Development of the TBC-8000 Bridge Railing
Karla Lechtenberg, Ronald Faller, Michael Ritter, Barry Rosson
A steel Thrie Beam and Channel bridge railing system, "TBC-8000", was developed for use with longitudinal timber bridge decks located along high volume or high speed roadways. The TBC-8000 was subjected to one full-scale crash test in accordance with performance level 2 (PL-2) specifications in the American Association of State Highway and Transportation Officials' Guide Specifications for Bridge Railings (1989). The test involved a 1986 GMC 7000 Series truck, weighing 8,165 kg, striking the rail at 76.3 km/hr and 16.1 degrees. The safety performance of the bridge railing was acceptable according to PL-2 evaluation criteria. This steel system provides an economical bridge rail for timber decks.
Highway Safety, Bridge Railings, Crash Test, Compliance Test, Timber Decks, Roadside Appurtenances
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