Spiral Staircase Design Calculation Pdf

It takes daring shape and configurations compared to the conventional staircase.

Spiral staircase design calculation pdf.

Spiral staircases save valuable square meters because they occupy a much smaller area than a conventional staircase. A spiral staircase is in the vast majority of cases a very practical solution of a staircase problem. The calculation of dimensions of a spiral staircase is very critical and performed with utmost care. 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.

Space saving consider a staircase with a height of 3 meters which goes from an exit door down to ground level. A rail fixed parallel above the pitch line at the sides of. But it is essential as a civil engineer to know the restrictions and. The stringers are notched so that the risers and treads fit into them.

Stringer or string the structural member that supports the treads. Spiral staircase there are bim and other software to determine the spiral staircase dimensions. There are typically two stringers one on either side of the stairs. With daring shapes and diverse configurations they can also be iconic objects.

Though the treads may be supported many other ways. The walkine is located 50 cm 20 from the inner handrail or in the centre if the stair width is less than 1m 40. The walkline is located 50cm 20 from the outer handrail.