A secondary piece of steel, often an angle bar or plate, welded or bolted to a primary structural member to increase its rigidity. They are commonly placed vertically along the web of a deep steel beam at points of high shear stress or concentrated loads. By reinforcing the web, they prevent the metal from buckling under heavy weight.
Heard on the job
The engineer called for half-inch web stiffeners directly under the column bearing point.
Also heard as
- stiffener plate