Fabricated staircase are made of reinforced concrete with polystyrene, where concrete is reinforced with angled guide plate and in external rungs, staircases has some of concrete, which remain united with steps of staircase by guide plate

摘要

The staircase is made of reinforced concrete with polystyrene. The concrete is reinforced with angled guide plate. In the external rungs, the staircases has some of the concrete, which remain united with the steps of staircase by the guide plate, which are arranged transversely and fixed at the beams rungs. Polystyrene blocks are provided to receive the paving and plastering by the flanks, directly without filling work or false ceilings. The beam has cross sectional unions for an internal, a higher and a lower part of the beams, which are united by secondary cross-sectional metal bands.