Definition of Arch | Different Parts of an Arch

Sunday, August 28, 2011 19:54
Posted in category Theory of structures 1
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Arch

Arch is a curved structural member which provides horizontal support.”

It is stronger than a beam.

Parts

Abutments

The structural member which provides support to it at its supports is known as abutment.

Pier

The member which gives support to it after regular intervals is known as piers.

Arch ring

The member of an arch which is curved is known as arch ring.

Crown

The highest point on the curved structural members is known as crown.

Back

The top most surface of the curved structural member is known as back.

Soffit

The bottom most surface is known as soffit.

Span

The parallel or horizontal distance between abutments is known as span.

Intrados

The interior layer of arches is known as intrados.

Center

The point from where the curvature of curve is drawn is known as center of these curves structural members.

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