Schematic of the stairs
Schematic of the stairs

General view of the
General view of the

Drawing stage
Drawing stage


Recommendations
Deviation from the formula for 16.7%
  • We recommend reducing the number of steps more on 2
    • The lack of depth of step: 230 mm
  • Recommend increasing the protrusion F on 50 mm
    • Convenient staircase inclination 36.9°
    An Inconvenient stair


    Initial data
    Lift 1500 mm
    The length of the ladder in terms of 2000 mm
    Number of steps 10
    The thickness of the treads 50 mm
    Tread Overhang 30 mm

    Platform length 500 mm
    Thickness pad 100 mm
    Extra thickness 50 mm
    The thickness of the treads 60 mm

    Stringer
    The length of the stringer 2500 mm
    The angle of the stairs 36.9°

    Step size
    Step height 150 mm
    Depth steps 230 mm

    Volume of concrete
    Volume site 0.04 cubic meters
    Volume of one stage 0.012 cubic meters
    Volume of all levels 0.12 cubic meters
    Amount of additional thickness 0.1 cubic meters

    Armature
    Number of valves 30 pieces
    Number of valves 24 m
    Weight bars 9.47 kg
    Total volume of concrete 0.26 cubic meters


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