Article Results (Showing 1 - 10 of 11) RSS Alert
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Testing of a prototype Hybrid Composite Beam span at FAST: TTCI reasearchers look into HCB spans that offer potential savings in both material and cost
Railroad bridge engineers are always looking for ways to make their limited budgets go a bit further. If new bridge spans could be purchased for...
Railway Track and Structures, 08/01/09 by Duane Otter · More from publication -
New developments in fatigue life estimation of railroad bridges under unit trains
New developments in fatigue life estimation of railroad bridges under unit trains.(TTCI R&D) Understanding fatigue life of steel railroad bridge...
Railway Track and Structures, 01/01/09 by Duane Otter · More from publication -
Effects of heavy axle loads on bridge bracing members: with brace repair significantly contributing to steel bridge maintenance costs, current design standards are reviewed
Effects of heavy axle loads on bridge bracing members: with brace repair significantly contributing to steel bridge maintenance costs, current...
Railway Track and Structures, 01/01/08 by Duane Otter · More from publication -
Update: impact of bridge deck fasteners under heavy axle load on open-deck bridges
Update: impact of bridge deck fasteners under heavy axle load on open-deck bridges.(TTCI R & D) Open-deck bridge tie life and maintenance depend...
Railway Track and Structures, 11/01/07 by Duane Otter · More from publication -
Effect of train speed and density on steel railway bridge costs: as demand for railroad capacity increases, railroad bridges are carrying more traffic, sometimes at higher speeds
Transportation Technology Center, Inc., recently updated the Association of American Railroads' bridge economic model to include the effects of...
Railway Track and Structures, 01/01/07 by Duane Otter · More from publication -
Bridge deck fastener evaluation at FAST: researchers put bridge fasteners to the test in order to find which hardware will save time and reduce maintenance costs
Five variations of hook bolt fastener systems are under evaluation on the steel bridge at the Facility for Accelerated Service Testing,...
Railway Track and Structures, 07/01/05 by Duane Otter · More from publication -
New concrete bridge tests at FAST
New concrete bridges at TTCI's FAST facility are providing researchers with information that can be applied toward stress reduction. New concrete...
Railway Track and Structures, 07/01/04 by Duane Otter · More from publication -
How to toughen-up a bridge; as the use of heavy axle loads continues to increase, bridge inspectors and engineers are challenged to improve assets
Many railroad bridge components are particularly sensitive to axle load. Most bridges are at least 60 years old, making them the oldest part of the...
Railway Age, 11/01/03 by Duane Otter · More from publication -
Impacts on short steel bridge spans: as axle loads increase, the impact load a bridge can tolerate decreases. Better assessment of bridge capacity can lead to better maintenance decisions, and, ultimately, longer bridge life - Ttci R&D - Transportation Te
What do flat wheels, low rail joints and overloaded railcars have in common? They all generate impact loads on railroad bridges. Impact loads are...
Railway Track and Structures, 07/01/03 by Duane Otter · More from publication -
Railway bridge resistance to earthquake ground motion: Properly-anchored bridge decks can provide significant resistance to ground motion, which may eliminate the need for seismic retrofits on many bridges - Ttci R&D - Transportation Technology Center Inc
Information is needed to quantify the resistance of existing bridges to horizontal ground motions to assess the ability of railroad bridges to...
Railway Track and Structures, 06/01/01 by Duane Otter · More from publication
