Cases in other countries. のバックアップ(No.4)

Repair Case

Steel bridge on highway I-75, Georgia, USA : Hole-drilling or re-weld, followed by Ultrasonic Impact Treatment (UIT)
Quinnipiac River (Defects in the butt welds of horizontal stiffener) : Bolted splicing, stop holes
Yellow Mill Pond Br. (Cover plate ends, stress concentration) : Bolted splice, Cover plate end, TIG, Peening
Cleveland I-90 (vibration while the girders carried by train) : Stop holes
Aquasabon River (defects in the short groove weld in the web) : Bolted splice
I-95 : Bolt splice
I-93 : Stop hole and Bolt splice (Bolt removal), Stop hole and Wide flange detail
Canoe Creek Br. : Stop hole and Angle connection , Gap increase
2682 Br. in I-79 : Stop hole and Angle connection
Platte-Winner Br. : Stop hole and Dog bone
Third St. Viaduct : Stop hole and Bolt splice
2680 Br. : Stop hole and Angle connection
Beaver Creek Br. : Stop hole
Thomas Br. : Stop hole and Positive attachment
I-84 : Plate removal
Lehigh Canal and River Br. : Plate removal
Woodrow Wilson Memorial Br. : Stop hole and Bolt splice, Bolt splice
Daniel Boone Br. : Stop hole and Angle connection
I-470 and I-79 tied arch Br. : (I-470) Stop hole and Angle connection, (I-79) Stop hole and Bolt lice
I-83 and I-695 Interchange : Stop hole and Tab connection
Section D10 : Bolt splice
Section L-2C : Grind out and Hole saw
Lafayette Street Br. : Bolt splice
U.S.51 Br. : Bolt splice
Dan Ryan Express : Saw cut
No. 28 County road Br. : Replacement
Gulf Outlet Br. : Crack removal
Ft. Duquesne Br. : Bolt splice
Allegheny River Br. : Bolt splice
I-480 Cuyahoga River Br. : Stop hole
Poplar Street Br. : Stop hole and Re-welding
Polk County Br. : Gap increase and Bolt connection
Belle Fourche River Br. : Stop hole and weld connection
Chamberlain Br. : Stop hole and weld connection
Prairie Du Chien Br. : Stop hole and Bolt splice
Walt Whitman Br. : Restraint removal
51.4 Bridge : Bolt splice
Commodore John J. Barry Bridge : Cable addition and Damper
King Street Bridge : Pre-stress with steel cables
Haseltalbrucke Bridge : Re-welding, Cover plate and Truss structure
Fremont Bridge : Web modification
Steel girder interstate highway bridge : Removal of connection bolts
Severn Crossing : Re-welding, Plate welding or Cut away and Splice plate
Steel bridge with hangers and pinned connections : Replacement
Steel Railway Bridge in Norway : Stop hole