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Laminated plate

Release time:2021-12-17
Laminated slab is an assembled integral floor slab composed of precast slab and cast-in-situ reinforced concrete. The laminated floor slab has good integrity, and the upper and lower surfaces of the slab are flat, which is convenient for the decoration of the facing layer. It is suitable for high-rise buildings and large bay buildings with high overall stiffness requirements.


The laminated floor slab has good integrity and high stiffness, which can save formwork, and the upper and lower surfaces of the slab are flat, which is convenient for the decoration of the facing layer. It is suitable for high-rise buildings and large bay buildings with high overall stiffness requirements.


The span of composite floor slab is generally 4 ~ 6m, and the large span can reach 9m.


An integral part of the composite floor is the cast-in-situ concrete layer, which varies in thickness depending on the span of the floor, but should be at least equal to the thickness of the precast sheet. With the increase of span, expanded polystyrene board is often filled in the cast-in-situ concrete layer; The expanded polystyrene board is laid on the prefabricated thin plate to form a cross section to reduce the weight of cast-in-situ concrete and can be used as the thermal insulation and sound insulation layer of the laminated floor slab.


Because the negative reinforcement is arranged in the cast-in-situ concrete layer, some fulcrum between peaks are formed, making the box section a continuous structure. In the cast-in-situ layer, according to the requirements of joint structure and fire prevention, set reinforcement and lay equipment pipelines.
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