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DISCHARGING ARCH

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Originally appearing in Volume V08, Page 311 of the 1911 Encyclopedia Britannica.
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DISCHARGING See also:

ARCH , in See also:architecture, an arch built over a See also:lintel or See also:architrave to take off the superincumbent See also:weight. The earliest example is found in the See also:Great See also:Pyramid, over the lintels of the entrance passage to the See also:tomb: it consisted of two stones only, resting one against the other. The same See also:object was attained in the See also:Lion See also:Gate and the tomb of See also:Agamemnon, both in See also:Mycenae, and in other examples in See also:Greece, where the stones laid in See also:horizontal courses, one projecting over the other, See also:left a triangular hollow space above the lintel of the See also:door, which was subsequently filled in by See also:vertical sculptured See also:stone panels. The See also:Romans frequently employed the discharging arch, and inside the See also:portico of the See also:Pantheon the architraves have such See also:arches over them. In the See also:Golden Gateway of the See also:palace of See also:Diocletian at See also:Spalato the discharging arches, semicircular in See also:form, were adopted as architectural features and decorated with See also:mouldings. The same is found in the synagogues in See also:Palestine of the 2nd See also:century; and later, in See also:Byzantine architecture, these moulded archivolts above an architrave constitute one of the characteristics of the See also:style. In the See also:early See also:Christian churches in See also:Rome, where a See also:colonnade divided off the See also:nave and aisles, discharging arches are turned in the See also:frieze just above the architraves.

End of Article: DISCHARGING ARCH

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