Welding method for U-shaped rib of super-long bridge deck unit

• Main Authors: PEI XUEFENG, XUE CHANGLI, XUE HONGQIANG, CHE PING, WANG XIAOHUI
• Format: Patent
• Language: Chinese; English
• Published: 20.09.2022
• Subjects: CLADDING OR PLATING BY SOLDERING OR WELDING; COMBINED OPERATIONS; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; OTHER WORKING OF METAL; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; UNIVERSAL MACHINE TOOLS; WELDING; WORKING BY LASER BEAM

The invention discloses an ultra-long bridge deck unit U-shaped rib welding method which comprises the steps that according to the design size of an ultra-long bridge deck unit, a deck of the ultra-long bridge deck unit is subjected to one-time blanking forming; two sections of U-shaped ribs are positioned and assembled on the panel, and meanwhile, a mounting space of a U-shaped rib inlaying section is reserved between the butt joint ends of the two sections of U-shaped ribs; welding inner and outer fillet welds on the two sides of the two sections of U-shaped ribs respectively; a U-shaped rib inlaying section is positioned and assembled in the installation space, a through hole is formed in the U-shaped rib inlaying section, a gasket at the butt welding seam of the U-shaped rib inlaying section and the U-shaped rib is arranged in the U-shaped rib inlaying section through the through hole, and inner and outer butt welding seams of the U-shaped rib inlaying section and the U-shaped rib and inner and outer fill