*Case 4.H [#eb337193]
**The causes of fatigue [#v5072168]
>
The structure behaved in a manner not expected such as due to vibration. 
**Approaches to repairing and retrofitting [#yce350d0]
>
modification of connection detail 
>
**LINK [#k73fa8e7]
-[[Arcreal MYST, vibration due to wind]]
>
Re-welds and bolted splice

-[[Shinkansen Br. (ends of vertical stiffener)]]
>
Stop hole + adding plate with rib

-[[I-84]] 
>
Plate removal

-[[Commodore John J. Barry Bridge]] 
>
Cable addition and Damper

-[[Steel bridge with hangers and pinned connections]] 
>
Replacement

-[[Steel bridge on Hanshin Expressway (at cantilever bracket)]] 
>
Replacement of the bracket

-[[Shitoku-Ohashi]] 
>
Plate connection and Spiraling the trip wire

-[[Steel bridge with eyebar-pin connections]] 
>
Covering the new member

-[[Mashita Bridge]] 
>
Plate connection

-[[Through-type langer bridge on the roadway bridge]] 
-[[Through-type Langer bridge on the roadway bridge]] 
>
Re-welding and installation of rib and device

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