石材干挂（Dry hanging of stone）.docVIP

石材干挂（Dry hanging of stone） Stone dry hanging wall 1, grass-roots processing: Grassroots roughness or Perpendicularity Error can not be greater than 30mm, beyond this standard, must be chisel Or repair, if the pick chisel repair more difficult, please ask the design staff to adjust the steel keel layout program and stone processing material list. 2. Measure the line: After entering the field, check the +500mm line, do a good job of knowing, and use the level instrument to reflect the horizontal line to the wall surface, especially calibrate the first floor datum Line, and then theodolite in the wall pop-up vertical (axis) control line, if found errors, timely adjustment of stone processing size. Reserved empty space The dimensions must be clearly defined and accurate. The distance between the stone surface and the base surface is controlled at 8 - 10mm. 3, installation of skeleton and Pendant: Yes The connection point on the wall is not buried. The bolt must be punched first, such as the M12 high strength expansion bolt. When the hole is expanded, the hole diameter is controlled 12+2=14MM, the maximum is not more than 16mm aperture, expansion and tie must be expanded tight, with 300N.M torque plate hand check around 20%, expansion tie fastening must Special personnel responsible for expansion, after the inspection qualified, spot welding can be fixed. The expansion to installation steps on the wall according to the installation of vertical channels, each. At the end of each end of the two section, a bulging hole is added at about 180mm or so, and the expansion hole error is controlled within the range of 6mm. Check out the bulging hole Check, clean up, clean up the residue with a brush, and then ask the quality inspector to go through the inspection. Find out the mixture ratio of strong glue, match two kinds of materials After mixing evenly, the outdoor temperature is 23 C, stirring and mixing, it should be finished within 45 minutes. A strong adhesive that will blen