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Will the second floor of loft collapse? What are the construction steps of loft partition floor?
Will the second floor of loft collapse?
Generally, the second floor of loft will not collapse. LOFT partition floor is a new type of high-density load-bearing floor with cement and natural mineral reinforced fiber as the main raw materials, which is cured by pulping, molding, high temperature, high pressure and steam.
What are the construction steps of loft partition floor?
According to the different span, static load and dynamic load of the building, the attic partition layer can be selected better and more reasonably by selecting reasonable profiles and designing the spacing between the main beam and the secondary beam.
1.LOFT partition floor construction, the arrangement and welding of profiles must meet the design requirements of drawings, and the weld strength and welding quality must meet the standard requirements of GB/T5 185- 1985. The welding seam on the contact surface of the attic partition floor should be ground flat before laying to remove spatter during welding.
2, according to the different span of the building, the size of the load, the spacing of supporting beams, etc. The thickness of the selected LOFT partition floor is also different. However, according to the national building materials code, the selected LOFT partition floor must be a high-density fiber cement board with a density greater than 1.8g/cm3 and a flexural strength (air-dried) greater than 28Mpa.
3. The longitudinal resistance and transverse resistance of the 3.LOFT partition floor are slightly different, so the longitudinal direction of the slab should be placed parallel to the main beam, and the edges of the joints between slabs should fall on the same beam, and the joints between slabs should be sealed with silicone adhesive.
4. Any edge of the attic partition floor shall not be suspended.
5. The length of self-tapping nails used to fix the attic partition floor is 30-35mm of the thickness of the board, and the nail spacing is 300-600mm. The center of the nail hole around the plate should be about 20 mm away from the edge of the plate.
6. Because the kitchen and bathroom have waterproof layers, and the area is small, the static and dynamic load requirements are slightly smaller, so the thickness of the plate can be slightly thinner, and the model of the selected profile can also be judged accordingly.
When buying a house, we must pay attention to the specific methods of buying a house and choose a house with a suitable location to buy and live. The above is about whether the second floor of loft will collapse and what are the construction steps of loft partition layer. The concrete construction quality of different houses is different. Since everyone should consider it comprehensively before buying a house.
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