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The electro-welded lattice girders are used to make floor lattice girder beams (for clay-cement mix or concrete floors), lattice girder slabs (bridge decks, large monolithic or lightened floors) and double slabs (reinforced concrete cross walls in seismic zones, retaining walls, curtain walls, etc.)
These products have become more and more widespread owing to safe and fast on-site laying and suppression of props when grouting.
Recent studies have reported the effective use of lattice girder slabs for decks in steel constructions, both in terms of ductility and in fire resistance, improving performance compared with traditional solutions at the same weight. The use of double lattice girder slabs for seismic walls in steel construction is a valuable and innovative solution for industrial buildings. 

1. The floor bearing plate can withstand vertical load in the horizontal direction. 
2. Floor bearing plates can divide the building into several layers in the direction of height. 
3. The floor bearing plate is the horizontal support and contact rod of the wall and column, which maintains the stability of
thewall and column, and can withstand the load from the horizontal direction, and pass the load to the wall and column, and then
from the wall and column to the foundation. 
4. The floor bearing plate can have thermal insulation function, that is, the enclosure function. 
5. The floor bearing plate has good sound insulation effect. 
6. The floor bearing board can also play the role of fire prevention, waterproof and moisture-proof.

Applications:

1 Applied to precast slabs, pre-high-speed railway sleeper.

2 Used in many high-rise, ultra- high-rise steel buildings

3 Used for steel building, mezzanine floor of “LOFT”

4 The force applied to the complex, special-shaped structure, building

5 Used in-situ concrete structure(RC) buildings

6 Used in the construction of slope roof structure

Reinforced joist floor joist has the characteristics of economy, convenience, safety and reliability. It is now widely used in multi-storey plant, multi-storey, high-rise and super high-rise steel  buildings, various irregular floors, concrete structures, high-speed railroads and other structural and architectural fields.