A prefabricated and assembled lattice composite floor slab and its construction method
A prefabricated assembly and construction method technology, applied in the direction of floors, floors, building components, etc., can solve the problems that the thickness cannot meet the sound insulation requirements, lack of convenient construction, poor sound insulation effect, etc., to meet the heat insulation and sound insulation performance , high construction efficiency, simplified structure and construction process
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[0048] At present, the prefabricated floor slabs generally used are prefabricated slabs with steel trusses. When the surface layer is poured on site, the thickness of the prefabricated slab is generally 60-70mm. Because the pouring on site considers the slotting of some pipelines, the thickness of the cast-in-place layer is usually At 70-90mm, the total thickness reaches 150mm, but this thickness does not meet the sound insulation requirements; and since dense ribs or hollow floors are usually integrally poured, the slab and rib beams are stressed together as a whole, and because of their The upper and lower connections of the sound insulation layer are not firm, and its bearing capacity is doubled compared to a floor of the same thickness. If foam concrete is filled in the middle, its heat insulation and sound insulation performance can be improved under the condition of ensuring its strength. Acoustic requirements, the thickness of the floor will be relatively large, and the ...
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