Interior Spiral Staircase Design Calculation

The walkline is located 2 3 of the way along the stair width measured towards the inner handrail method 4.

Interior spiral staircase design calculation.

Running measurements explanation inside stringer tread points winding up and around inside of stairs from top of first rise to upper. With daring shapes and diverse configurations they can also be iconic objects. Z thickness of steps usually is a geometric parameter of the material e g. Spiral staircases save valuable square meters because they occupy a much smaller area than a conventional staircase.

Calculate spiral stair and circular stair geometry print spiral stair plan diagrams online free. Or choose any stair calculator available on the web. H the height of the staircase usually determined by the distance between the floors in your house. Develop a spiral staircase layout with the obtained details.

Calculation of spiral stairs enter the required dimensions h the height of the stairs d1 outer diameter d2 internal diameter c number of steps z the thickness of the steps a the rotation angle of the stairs help the length of steps in the spiral staircases should not be less than 80 cm. When drawing manually it is better to start from the landing platform in a downward movement. Spiral stair calculator plan diagram with full dimensions. The walkline is located 50cm 20 from the outer handrail.

D1 internal diameter this is the diameter of the central column. Below shown is a spiral staircase design. The walkline is located half way along the stair width method 3. The walkine is located 50 cm 20 from the inner handrail or in the centre if the stair width is less than 1m 40.