Rcc Spiral Staircase Design Pdf

Plan and cross section views of stairs.

Rcc spiral staircase design pdf.

A rail fixed parallel above the pitch line at the sides of. It consists of a central post supporting a series of steps arranged in the form of a spiral. Straight staircase design a reinforced concrete staircase for office use is shown in figure 1. Volume 213 issue 1922 1922 pp.

Wooden steel and reinforced concrete stairs due to functions and type of using material. There are typically two stringers one on either side of the stairs. The risers are 16 cm and goings are 30 cm. At the end of steps continuous hand rail is provided.

Tekpekurede 1 year ago. Details that are belong to changing situations on the existing floor of stairs are sketched of plan cross section view with 1 10 and 1 20 scale. The stringers are notched so that the risers and treads fit into them. Table f1 3 select the waist h and average thickness t of staircase en 1992 1 1.

Definitions classifications guidelines and assumptions. Figure shows a typical spiral stair. Goings are provided with 3 cm thick marble finish. Table 7 4n en 1992 1 2.

Weight of reinforced concrete γrc strength of concrete fc strength of steel fy. Stringer or string the structural member that supports the treads. Table a 3 en 206 1. Short axially loaded compression members.

I will be glad to get a reference of pdf file of literature. Short compression members under axial load with uniaxial bending. Types and design of staircases. 5 6 2 determine material strength bs 8500 1.

Such stairs are provided where space available for stairs is very much limited. Design a straight flight staircase in a residential building that is supported on reinforced concrete walls 1 5 m apart center to center on both sides and carries a live load of 300 kg m2. Design the staircase by using concrete. Spiral staircase design spiral staircase design.

It is connected to a landing at upper part and supported by a beam at the end of the landing. Spiral staircase these stairs are commonly used as emergency exits. Preparation of design charts. Design procedure step task standard 1 determine design life exposure class fire resistance en 1990 table 2 1 en 1992 1 1.

At the end lower the stair supported by a beam and continuous with the floor slab.