The steel building has 28 floors above ground and 1 underground floor. The total construction area is
27,904.88 square meters. Each unit has four ladders and four buildings, and the building area is 60-90
square meters.The project adopts a concrete-filled steel tubular column- frame-support structure system,
and the floor slab is assembled with a detachable reinforced concrete truss floor board (bamboo rubber
board bottom mold). The outer infill wall is a 200mm thick precast aerated concrete outer wall panel, and
the 80 thick rock wool outer thermal insulation layer is pasted; the indoor partition wall is a 100-200mm
thick precast aerated concrete slab wall and a light steel keel gypsum board partition wall. The stairs are
made of steel stairs and precast concrete treads.