discharging arch


Also found in: Dictionary, Thesaurus, Wikipedia.
Related to discharging arch: Arc discharge, Electric arc discharge

discharging arch

[′dis‚chärj·iŋ ‚ärch]
(civil engineering)
A support built over, and not touching, a weak structural member, such as a wooden lintel, to carry the main load. Also known as relieving arch.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

discharging arch, relieving arch, safety arch

discharging arch
An arch, usually segmental and often a blind arch, built above the lintel of a door or window to discharge the weight of the wall above the lintel to each side.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.