预制外墙板安装工艺标准（Standard for installation of precast exterior wall panels）.docVIP

预制外墙板安装工艺标准（Standard for installation of precast exterior wall panels） 1 range The process standard is applicable to the installation of exterior plate internal mold structure and precast external wall board. 22 construction preparation 2.1 materials and main equipment: 2.1.1 exterior panel: after entering, check the model, geometry size and appearance quality should comply with the design requirements. Horizontal cavity and vertical cavity waterproof structure integrity. Component shall have factory certificate. 2.1.2 joint waterproof insulation material: plastic strip (thickness 1.5 ~ 2mm), linoleum, polystyrene board. 2.1.3 other materials: cement, sand, welding, steel, steel plate, 107 glue, waterproof paint and sealant etc.. 2.1.4 main tools: wire rope sling and clasp, crowbar, steel plate, temporary fixing clamps and wire etc.. 2.2 operating conditions: 2.2.1 familiar with design drawings, grasp the exterior panel model, location, size, elevation and structural practices. 2.2.2 check the wall board waterproof cavity should be intact anyway, if damaged should be repaired, repair should be basic clean, with cement mortar mixing 107 glue (cement weight 15%) repair. 2.2.3 will be on both sides of the outer wall of the anchor steel collar gouge out, adjust the flat, tick should not damage the ring near the concrete, and then in the vertical waterproof cavity painted waterproof paint. 2.2.4 check the wall plate installation position line and elevation line, pre finishing. 2.2.5 install the inner wall large formwork and the outer platform bayonet shelf. 2.2.6 check the first floor concrete stop and the reserved tendon position. 3 operation process Felt insert, Polyphenyl bar, Plastic strip 3.1 process: Exterior wall board Temporary fixation Apply leveling layer to exterior wall board Insertion node Constructional reinforcement Key reinforcement welding, Cast concrete Bottom plate twist Dry hard cement mortar Remove the exterior panel Temporary support I. 3.2, levelin