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Effects of Wheel Defects on Dynamic Track Buckling in Transition Zones of Open-Deck Steel Bridges
Publisher: ASCE
Abstract: Track buckling potential can be higher in the transition zones of steel bridges due to the combination of contact loads and large compressive forces present in this region because of rail and bridge thermal loads. Wheel–rail ...
Transition Zones of Steel Bridges as Hotspots for Track Buckling
Publisher: ASCE
Abstract: Open deck steel bridges are characterized by the direct connection of transoms to the bridge girders. The expansion of steel girders due to thermal loads is transmitted by the fastening system to the track in the transition ...
Regularization in Moving Force Identification
Publisher: American Society of Civil Engineers
Abstract: Several methods have been developed to identify forces moving on a beam from measured responses. The results from all of them exhibit fluctuations at the beginning and end of the time history, and they are results of the ...