arranged separately to hanging hanging point. 2, the wooden keel wood ceiling keel on the screen, which will be part of the corrosion, cracking, oblique mouth part from insect. The project of the wooden keel must carry on fire, will generally be fireproof paint brush or sprayed on the surface of wood, also can put the wood impregnated with fire retardant coating groove. The wooden keel direct contact structure, such as wall keel keel, keel beam side and end wall should be inserted into or contact brush

preservatives. The preservative requirements brushing with moistureproof, mothproof and anti decay effect. 3, the installation of boom (1) setting method for M8 boom fasteners or M10 expansion bolts / 25 x 3 or 30 x 3 angle angle is fixed on the bottom surface of cast-in-place floor. For the M8 expansion bolt boring depth more than 50mm, the hole diameter should be 10.5mm; for M10 expansion bolt boring depth more than 60mm, the hole diameter should be 13mm. The use of more than Phi 5 high-strength

nail / 40 * 4 angle or plate fixed on the bottom surface of the cast-in-place floor. In the water floor or the roof panel, layout in the hanger plate bottom of the embedded iron, iron pieces with delta =6mm thick steel plate, with the diameter of 8 L and 4. 150mm. The concrete cast-in-place floor before or precast slab grouting pre buried reinforced with 10. (for people on the roof, hanger specifications optional 6 or Phi Phi 8) requirement for the embedded position is accurate, if the cast-in-place floor, should play the line

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