外保温施工（External thermal insulation construction）.doc

外保温施工（External thermal insulation construction） External heat preservation First, the scope of technical disclosure content 1, it is suitable for exterior wall thermal insulation project of cast in place reinforced concrete wall. 2 seismic fortification intensity is less than or equal to 8 of the area. 3 building height is less than 100m. Two, materials and machinery equipment 1 material performance index 1.1 technical performance indexes of steel wire mesh and polyphenyl board The processing quality and specification size of the steel wire mesh polyphenyl board shall be in line with the relevant regulations of the national steel wire mesh frame, cement polystyrene sandwich board and JC623-1996, and shall also conform to the provisions of table 6.1.1-1 ~ 3. Table 1.1-1 main technical indexes of steel wire mesh polyphenyl board Sub project quality requirements specifications surface Appearance Quality trapezoidal groove, steel wire mesh side of polystyrene board surface, trapezoidal groove width 20 ~ 30mm, groove depth 10mm + 2mm, slot from 50mm The two sides of the polystyrene board are provided with a high and low groove, and the width is 20 to 25mm, and the depth is 1/2. The thickness of the plate is required, and the size is accurate. Interface processing, panel and steel wire spray coating, mortar and steel wire and polystyrene board firmly adhered. The coating is uniform, not open at the end, dry rub off powder. Polyphenyl plate butt = 3000mm long board polystyrene board butt joint shall be not more than two, and the cement adhesive joint. The shortest distance between steel wire mesh and polystyrene board is 5mm + 1mm Galvanized low carbon steel wire for galvanized low carbon steel wire diameter steel mesh for 2.00mm and 2.20mm for Xiecha wire galvanized low carbon steel wire diameter of 2.00mm, 2.50mm, error is about 0.5mm, the performance shall comply with the provisions of YB/T126-1997. The solder joint tensile force is greater than or equal to 330N, no ove