Segmental arch

Segmental arch

An arch formed along an arc that is drawn from a point below its spring line, thus forming a less than semicircular arch. The intrados of a Roman arch follows an arc drawn from a point on its spring line, thus forming a semi-circle.

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Part of Speech: noun
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Industry/Domain: Construction
Category: Bridge
Company: Iowa DOT
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Related terms

segmental arch

Construction; Carpentry

An archway in the form of a segment of a semicircle.

segmental arch

Construction; Bridge

An arch formed along an arc that is drawn from a point below its spring line, thus forming a less than semicircular arch. The intrados of a Roman arch follows an arc drawn from a ...

segmental arch

History; Medieval

A single arc struck from a centre below the springing line.

segmental arch

Construction; Bridge

A circular arch in which the intrados is less than a semi-circle.

segmental arch

Construction; Masonry

An arch that has a curve formed from a segment of a circle. Sometimes called a circular arch.

arch

Architecture; General architecture

A rounded element that spans an opening is called an arch. A basic element of construction, arches apear in all types of achitecture.

cellular construction

Construction; Bridge

In early 20th century American suspension bridges, the method of constructing towers from relatively small welded steel box units.

beam bridge

Construction; Bridge

A bridge built of beams, either classified as a short-span or long-span beam bridge, which is supported on beams whose ends rest on piers or abutments.