Spiral Staircase Equation

Our spiral stair building code and ibc stair code specifications provide technical details about the different code and non code packages we offer for commercial and residential projects.

Spiral staircase equation.

A set of steps and rooms that is leading off to it in a large building especially a school or college. When designing a spiral staircase it can be difficult to determine the length of the handrail required since it follows a helical spiral up the staircase. Spiral staircase code overview. The spiral staircase is a staircase that turns constantly around a central axis at its rises.

If you take the length of the square sides in the order you get the sequence 1 1 2 3 5 8 13 21. The walkline is located half way along the stair width method 3. The fibonacci spiral is called after its numbers. Spirals made of line segments top.

Spiral staircase calculator. The walkline is located 50cm 20 from the outer handrail. The walkline is located 2 3 of the way along the stair width measured towards the inner handrail method 4. Inside plumb tread points vertically plumb.

Outside stringer tread points winding up and around outside of stairs from top of first rise to upper floor. In this equation pi is a constant of 3 14 and the notation. This is to instruct you on building a spiral staircase without going deep into calculation formulas. Spiral staircases save valuable square meters because they occupy a much smaller area than a conventional staircase.

These are the fibonacci numbers which you can find by the recursive formula a n a n 1 a n 2 with a 1 1 a 2 1 n 2. Here is the online spiral staircase calculator which you can use to calculate the dimensions of your spiral staircase. With daring shapes and diverse configurations they can also be iconic objects. Spiral stair tread diagram with full dimensions.

These specifications show standard stair dimensions for height tread degree rotation degree and many more details for each. Spiral staircases can offer beautifully artistic access to the second level of your home with minimum space requirements. The walkine is located 50 cm 20 from the inner handrail or in the centre if the stair width is less than 1m 40.