The gusset plates had fallen off many of the truss ... had penetrated less than 20% of the thickness of the truss members. Had the roof system used a conventional “nailing” method, with ...

The connectors, called gusset plates, were roughly half the 1-inch ... The Minneapolis span was a steel-deck truss bridge that opened in 1967. Rosenker said it wasn’t clear how the design ...

When a roof collapse is anticipated ... The bottom chord of the truss, which is under tension is constantly pulling on the gusset plate connectors, the bottom chord consists of a number of two ...

Create an account or log in to save stories. Washington, DC - The National Transportation Safety Board today issued a safety recommendation that addresses a design issue with the I-35W bridge that ...

Captain Cornette points out that the use of trusses secured with gusset plates can lead to early roof collapse in the event of a fire. “Those gusset plates tend to fail after a few minutes of ...

The National Transportation Safety Board has determined the probable cause of the collapse of the I-35W bridge in Minneapolis, was the inadequate load capacity, due ...

They connected to transverse-mounted floor trusses supporting the roadway. Dozens of flat gusset plates reinforced the steel joints where hundreds of vertical, horizontal, diagonal and cross beams ...

of Transportation officials shut down a 51-year old continuous steel deck truss arch bridge in Minnesota indefinitely after inspectors found bent gusset plates March 20. MnDOT officials say they ...

On bridges with a truss design, like the one in Minnesota and nearly 40 in Western New York, gusset plates provide a key support element. They are subject to aggressive state inspections because ...