ARC

Definition: 

A curve of fixed radius connecting two points. With a fixed radius, every point along the curve is the same distance from the origin of the radius.

ARC LENGTH

Definition: 

The length of a curve from one point to the other

BARREL VAULT

Definition: 

A simple (usually semicircular) arch repeated longitudinally to form a tunnel. Although a barrel vault can successfully roof a wide hall, the difficulty is then lighting that hall - the vault cannot safely be pierced by more than the smallest of windows.

CATIA MODEL

Definition: 

Software originally developed for the aerospace industry and now used by architects to display and rotate a 3-D model and output the data to CAD software. Radius Track fabricates track and studs using the NC file from the CAD software.

CHANNEL SECTION (C-SECTION)

Definition: 

A structural steel section with a cross section in the form of a ""C,"" consisting of a web, flange and lip.

CLIP ANGLE

Definition: 

An L-shaped short piece of metal (normally with a 90 degree bend). It is typically used for connections.

COLD-FORMING

Definition: 

A process where light gauge steel members are manufactured by rolling or shaping the steel after it is cold.

COMPLEX CURVE

Definition: 

A curve that changes from a 2-dimensional plane to a 3-dimensional plane. Harder to visualize and describe on drawings than a simple curve.

COMPOUND CURVE

Definition: 

A curve where almost all of the elements are curved with multiple planar events. 3D models are best to visualize the final shape.

CORD HEIGHT

Definition: 

The distance between the top of the arc and the diameter.

CORD LENGTH

Definition: 

The distance of the straight line between the beginning and the end of the arc.

DIAMETER

Definition: 

The length of a straight line which passes through the center of a circle and terminates at the circumference.

FLANGE

Definition: 

The two identical thicker members of a C-section or track separated by and perpendicular to the web of the section.

FURRING

Definition: 

A hat section member that supports the ceiling finishing materials.

GAUGE

Definition: 

A unit of measurement traditionally used to describe the nominal thickness of steel. The lower the gauge the greater the thickness.

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