rear arch

arrière-voussure, rear arch

arrière-voussure
1. A rear vault; an arch or vault in a thick wall carrying the thickness of the wall, esp. one over a door or window frame.
2. A relieving arch behind the face of a wall.

rear arch

1. An inner arch of an opening which is smaller in size than the external arch of the opening and may be different in shape.
References in periodicals archive ?
Tenders are invited for Maintenance 2015 - Disposal of Ash from the pent house, & roof area, rear arch room & s panel area, water washing entire pent house area and allied work.
The rear arch enables passengers to carry all their equipment, such as wakeboards or surfboards.
REDESIGN 3 Bigger, flared rear arch features give the Clio RS a more aggressive look IMPRESSIVE KITTHE new Clio has a high level of equipment, including sat-nav touchscreen, Bluetooth and keyless entry
Twin swage lines dominate, one running from the front wheel, along the sill arcing up to the rear arch while another drives forward from rear light clusters to the front door handle.
The model features larger headlamps, a bonnet with thicker crease lines to either side that join the waistline, a longer nose, wider flared rear arch, and new tail lamps.
Tenders are invited for NCTPS SE MI circle BM Dn Unit I Boiler Arresting the air ingress ash leakage in complete Pent house Drum enclosure Rear arch room Boiler bottom S panel enclosure etc
II BM Unit V Certain specified works to be carried out in rear arch area, lower and upper corner transition tube area, super heater vertical spaced assembly, super heater vertical platen assembly, extended side steam cooled wall inlet header area, extended side wall inlet header connected tubes, extended side water wall header area etc.
Tenders are invited for Supply of Overhauling of HP/LP valves, Capital/ annual overhaul of PA fans, Metal Build up for less eroded boiler tubes by metal powder spray, Overhauling of 12LLD Centrifugal fans, Coating of water wall S- panel (Front and Rear) and rear arch enclosure, slurry disposal pumps, ash water pumps, seal water pumps, drain pumps, various sizes of valves, cleaning of ash water tank & ash slurry sump etc.
Tenders are invited for Annual Overhaul-Removal of accumulated ash in pent house, rear arch enclosure and cleaning of boiler during Annual overhaul of 2015-16.
Tenders are invited for Boiler Cleaning of Ist pass (Furnace), II pass and Boiler structure by water washing, disposal of scrap, debris after overhaul, applying refractory at rear arch & final super heater during 2015-16 annual overhaul