Construction organization design of a middle school student canteen project in Henan
3.1 Architectural characteristics The whole building is rectangular, with an east-west length of 62.1m and a north-south length of 73.5m. It is divided into two sections by the G axis. The north area is the canteen processing operation area, the south area is the canteen, and the canteen is a large-span structure with a wheelbase of 24m. At the roof elevation of 16.00m, there is a "doctor's cap" structure cantilever plate. In the middle, there is a staircase. The top of the staircase is a circular arch type daylighting roof, The east interior is arced glass curtain wall. Each floor is divided into two fire zones and divided by firewalls, fire doors, fire windows and composite fire rolling shutters. Floor: the fire control room and power distribution room are made of cement mortar, and the dining room, lounge, walkway, staircase, locker room, etc. are made of ceramic floor tiles. External wall: mainly face brick, with a small amount of milky white high-grade paint. Interior walls: glazed tiles are used for each operation room, cleaning, cutting and matching room, cleaning and disinfection room, meal preparation room, finishing room, and toilet, and others are painted with mixed mortar, and white latex paint is applied externally. Wall skirt: 1.5m high porcelain wall skirt is used in the dining hall, warehouses, men's and women's changing rooms, and corridors in the operation area. Ceiling: white emulsion paint shall be applied after plastering. Doors and windows: windows are plastic steel doors and windows, and some are fireproof windows; The interior doors are wooden plywood doors and paneled doors, and some are fire doors. Curtain wall: all are natural color aluminum alloy 6+12+6 tempered hollow Low-E curtain wall. Roof: the roof is a non accessible roof. The surface of two layers of 3-thick SBS or APP modified asphalt waterproof coiled material is covered with green shale protective layer, and the insulation layer is 150 thick aerated concrete block.