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| | AllRefer.com - arch (architecture) Information |
 | | Other forms of arch include the pointed arch, the corbelled arch of the Maya Indians, the medieval lancet and ogee arches, and the Islamic horseshoe arch. |
 | | Terms and parts The principal terms connected with any form of arch are the span, rise, and springing line; and the various parts: abutment, archivolt (moulding around the face or underside of an arch), crown, extrados, impost, intrados, keystone, spandrel, springer, and voussoir. |
 | | Types The principal types of arch, according to their shape, are semicircular or ‘round’, segmental, stilted, round horseshoe, equilateral (pointed, with the radii equal to the span), lancet (pointed, with radii larger than the span), four-centred (pointed, with four arcs), pointed horseshoe, three-centred, cusped, and elliptical. |
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