STEEL BUILDINGS GLOSSARY

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Gable
The triangular portion of the endwall of a building directly under the sloping roof and above the eave height line.

Gable Roof
A roof consisting of two sloping sides that form a ridge and a gable at each end.

Gable Symmetrical
Is a continuous frame building with the ridge in the center of the building, consisting of tapered or straight columns and tapered rafters. Sidewall girts may be continuous, by-passing the columns or simple span, flush in the column line. Rafters may or may not have interior columns. A ridged (double slope) building in which the ridge is in the center of the building.

Gable Umsymmetrical
Is a continuous frame building with an off-center ridge, consisting of tapered or straight columns and tapered rafters. Eave height and roof slope may differ on each side of the ridge. Sidewall girts may be continuous, by-passing the columns or simple span, flush in the column line. Building may or may not have interior columns.

Galvanized
Steel coated with a layer of zinc for corrosion resistance.

Girder
A main horizontal or near horizontal structural member that supports vertical loads. It may consist of several pieces.

Girt
Secondary horizontal member attached to the mainframe columns. Girts normally support wall panels.

Girt Clip
Angle clips used to connect girts to the endwall columns.

Hangar Door
A large multi-leaf door that is used in aircraft hangars or similar buildings.

Haunch
Intersection of the column and rafter. Also referred to as Knee.

High Strength Steel
Structural steel having a yield stress in excess of 36,000 pounds per square inch.

Hot Rolled Shapes
Steel sections (angles, channels, I-sections, etc.), which are formed, while in a semi-molten state at the steel mill, into a shape having standard dimensions and properties specified by relevant standard specifications.

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