Case 3.D の変更点

追加された行はこの色です。
削除された行はこの色です。
Case 3.D へ行く。
Case 3.D の差分を削除

*Case 3.D [#fba1949c]
**The causes of fatigue [#gf80b014]
>
Stresses and deformations unforeseen in design occurred. 
**Approaches to repairing and retrofitting [#ae1079df]
>
re-weld + post weld surface treatments 
>
**LINK [#n306c510]

-[[Steel bridge of The Tomei Expressway]]
>
re-welds + TIG dressing for small cracks

-[[The Fourth Line of The Metropolitan Expressway]] 
>
Replacement or welding and TIG dressing

-[[Steel bridge of The Tomei Expressway near Hamamatsu.]] 
-[[Steel bridge of The Tomei Expressway]] 
>
addition of the cross bracing