Cases in other countries. のバックアップ(No.1)

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