*Case 1.H [#k9fcc4f9]
**The causes of fatigue [#q8c5e582]
>
Welding defects were included at the time of fabrication. 
**Approaches to repairing and retrofitting [#b91b2e08]
>
Modification of connection detail. 

>
**LINK [#ce00e970]
-[[The central Artery of I-93]] 
-[[I-93]] 
>
Stop hole and Wide flange detail

-[[I-470 and I-79 tied arch Br.]] 
>
Stop hole and Angle connection

-[[Ft. Duquesne Br.]] 
>
Bolt splice

-[[T-type steel pier on Hanshin Expressway]] 
>
Plate connection










-[[Section L-2C]]
>
Grind out and Hole saw

-[[Gulf Outlet Br.]]
>
Crack removal

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