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 DESIGN OF TRUNNION-HUB GIRDER ASSEMBLIES FOR BASCULE BRIDGES

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Assembly Procedure 1 (AP1) of Full Scale Testing

 

 

Trunnion, Hub and Girder

 

   

Trunnion fitted into Hub

 

   

Trunnion-Hub fitted into Girder

 

    

Completed THG assembly

 
 

    

Hub heated to 200F via heat blankets

 

Hub being aligned for trunnion drop

 

Measuring the diameter of the cooled trunnion

 

Inserting the cooled trunnion in heated hub

 

Trunnion getting in contact with the hub

 

Ice formation on the trunnion-hub assembly

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