The location of the construction seams shall be determined before concrete pouring, in accordance with the design requirements and the construction technical scheme, and shall be reserved in the area where the structure is less sheared (1/3 of the beam plate). Stair construction seams are placed at three steps on the floor, and the construction seams should be perpendicular to the stair panels. The treatment of construction seams is carried out after the preparation of the construction technical scheme. The lien position of the rear pouring belt shall be determined by design, and the concrete pouring of the rear pouring belt shall be constructed according to the construction technical scheme, and the building shall be settled evenly. The concrete suspended mortar at the construction seam shall be chisel clean to the dense concrete surface.
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