The portal braces ( the criss-crossing small beams that form a box hanging from the " roof " of the truss ) are fastened to the truss with gusset plates.
32.
The gusset plate is welded to a beam and then two or three columns, beams, or truss chord are connect to the other side of the gusset plate through bolts or welds.
33.
The gusset plate is welded to a beam and then two or three columns, beams, or truss chord are connect to the other side of the gusset plate through bolts or welds.
34.
The previous telescope collapsed on 15 November 1988 due to the sudden loss of a gusset plate in the box girder assembly, which was a key component for the structural integrity of the telescope.
35.
FHWA advised states to inspect the 700 U . S . bridges of similar construction after identifying a possible design flaw related to large steel sheets called gusset plates, which connect girders in the truss structure.
36.
On March 17, 2008, the NTSB announced an update on the investigation relating to load capacity, design issues, computer analysis and modeling, digital image analysis and analysis of the undersized and corroded gusset plates.
37.
Industrially manufactured Czech hedgehogs were made of three pieces of metal angle ( L 140 / 140 / 13 mm, length, weight; later versions : length, weight ) joined by gusset plates, rivets and M20 bolts.
38.
For example, given an 8 x 11.5 plate that is used as a tension member ( section a-a ) and is connected to a gusset plate with two 7 / 8-inch-diameter bolts ( section b-b ):
39.
The DeSoto Bridge across the Mississippi River in St . Cloud was closed on March 20, 2008, after bent gusset plates were found in an inspection; similar to gusset plates that caused the I-35W Bridge in Minneapolis to collapse on August 1, 2007.
40.
The DeSoto Bridge across the Mississippi River in St . Cloud was closed on March 20, 2008, after bent gusset plates were found in an inspection; similar to gusset plates that caused the I-35W Bridge in Minneapolis to collapse on August 1, 2007.