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 ?
When changing production from the front to rear arch, the injection mold is changed and the cutting station indexed 180[degrees].
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.
View the EON from the rear three-quarter and the swooping, exaggerated lines of the waist as well as the exaggerated curve over the rear arch make for a very aggressive look.
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.
Unit III 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 2017-18 annual overhaul Note: Prospective bidders may get the specification FREE OF COST by down loading from TANGEDCO website & upload the necessary documents to www.
Unit II Boiler Rectification and renewal of defective skin casing sheet and scalloped bar in rear arch enclosure, arresting of ash leak and allied works during overhaul 2016-17.
Tenders are invited for MTPS-I BM Unit-II COH -2016 - Replacement of defective burner corner bend tubes, rear arch goose neck bend tubes and 8th header out let tubes and allied works.
Tenders are invited for MTPS-I BM Unit # II Boiler COH 2016 - Disposal of Ash from the pent house, roof area, rear arch room & S panel area, Repairing pent house, rear arch room and other allied works
Tenders are invited for NCTPS II M I - BM - Unit II - Boiler - Annual Overhaul-Removal of accumulated ash in pent house rear arch enclosure and cleaning of boiler during Annual overhaul of 2016-1
Tenders are invited for NCTPS II - MI Circle - BM Dn - Unit II - Boiler - 600MW - Patch up of refractory in the damaged / broken up areas in rear arch slope, pent house, drum enclosure area, water wall bottom neck area,dock house area etc.