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Safety Assessment of the Antisliding between the Main Cable and Middle Saddle of a Three-Pylon Suspension Bridge Considering Traffic Load Modeling
Publisher: American Society of Civil Engineers
Abstract: The antisliding safety of the middle saddle is a key issue for the design of three-pylon suspension bridges. Vehicle load is the main adverse effect, especially unsymmetrical vehicle load. A general mechanical model on the ...
Failure Analysis of a Girder Bridge Collapse under Eccentric Heavy Vehicles
Publisher: American Society of Civil Engineers
Abstract: In recent years, several accidental collapses of girder bridges have occurred under the influence of eccentric heavy vehicles in China. To explore the causes and mechanisms of the collapses, a collapsed six-span, RC, ...
Risk Evolution of On-Bridge Crowds through Region-Level Floor Field Model
Publisher: ASCE
Abstract: Footbridges, as the fundamental structures spanning natural or artificial obstacles, not only perform the function of weight-bearing but also entail the role of pedestrian transporting. From the pedestrian transporting ...
Dynamic Vehicle Model for Accommodating Fatigue Based on Axle Load Effects in Orthotropic Steel Bridge Decks
Publisher: American Society of Civil Engineers
Abstract: Vehicle-induced fatigue is a primary contributor to the formation of cracks on orthotropic steel bridge decks (OSDs). Currently, simplified fatigue vehicle models are often employed in bridge design specification to estimate ...