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.
Not all parts are deacribed