Rcc Sloped Roof Slab Design Pdf

Domes concrete shell roofs 2.

Rcc sloped roof slab design pdf. The design of the upper storey extension was a lightweight strut. According to the 1995 aci code all two way reinforced concrete slab systems including edge supported slabs flat slabs and flat plates are to be analyzed and. This permits concrete place ment without the use of top forms. Sloping slabs under gravity load would be subjected to bending and axial thrust.

Foam decking creates a series of beam pockets which are filled with reinforced concrete. If the problem is statically determinate the equilibrium equations would. Pdf chapter 2 structural design of rcc building. The construction of the original building consisted of a reinforced concrete frame with cast in situ trough floors.

Pyramidal roof slab 4. Design the roof slab beam and column of house given in figure 1. Folded plate design structurally these roofs are folded plates so they require an engineer ing design. An extra floor was required to be constructed which involved converting the original roof slab to a floor slab thereby increasing the live load capacity to 3 kn m 2.

The roof should have a slope of at least 3 on 12 with a practical maximum of 6 on 12. Some designers recommend a monolithic slab poured over the top of the beams. Waffle slab grid slab 5. Steel yield strength fy 40 ksi.

But bermudez says the design is relatively simple to create using finite element software. Others design the final roof finish to be applied over the foam. Pockets running parallel to the ridgeline are usually cut into the foam on site. Long cylindrical shell ijert a roof slab consisting of a plane surfaces triangular in shape and bounded on each side by a sloping ridge forming the intersection of adjacent.

Concrete compressive strength fc 3 ksi.