Spiral Staircase Design Calculation Pdf

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.

Spiral staircase design calculation pdf.

Spiral staircases save valuable square meters because they occupy a much smaller area than a conventional staircase. Stringer or string the structural member that supports the treads. The stringers are notched so that the risers and treads fit into them. Space saving consider a staircase with a height of 3 meters which goes from an exit door down to ground level.

Custom design 68 delivery 68 site fixing 68 how to order 69 page 55. A spiral staircase is in the vast majority of cases a very practical solution of a staircase problem. Though the treads may be supported many other ways. The calculation of dimensions of a spiral staircase is very critical and performed with utmost care.

The walkline is located half way along the stair width method 3. Spiral staircase there are bim and other software to determine the spiral staircase dimensions. The walkline is located 2 3 of the way along the stair width measured towards the inner handrail method 4. 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. 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.