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Lattice Girder (Plate Flooring)

Concrete Flooring Systems' composite floors consist of a temporarily propped precast plank, which also acts as fully participating permanent formwork in conjunction with the in-situ structural topping.

THE BENEFITS OF LATTICE GIRDER COMPOSITE FLOORS

Fast to Erect: All planks which are manufactured to the specific needs of the building can be erected at a rate of up to 100m2 per hour.

Robust Construction: to resist progressive collapse are simply and economically achieved.

Services: Large or small holes, services in the topping, beams within the depth of the slab - all easily achieved.

High Load Capacity: Strong mechanical key between precast and in-situ concrete.

Section profiles: Profiles vary from project to project.

Diaphragm Action: Composite Lattice Girder floors can be designed to provide diaphragm action to transmit horizontal forces to the primary supporting structure.

Slab Widths: The slab widths are usually 1200mm or 2400mm, but other widths are available.

Maximum Spans (metres)
Imposed Load
115mm

125mm

150mm

175mm

200mm

225mm

250mm
Slab Depth
1.5kN/m2 3.0 3.0 4.0 5.0 5.5 6.0 6.5
3.0kN/m2 3.0 3.0 4.0 4.5 5.5 6.0 6.5
5.0kN/m2 2.5 3.0 3.5 4.5 5.0 5.5 6.5
7.5kN/m2 2.5 2.5 3.5 4.0 5.0 5.5 6.0

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