A roof crack paves way for rain water to seep in to the house.
Rcc roof ppt.
Rcc denotes re in forced cement concrete in which cement sand and bajri are laid with the help of mild steel.
Steel yield strength fy 40 ksi.
In fact it has become the most commonly utilized construction material.
The capability to carry loads by these materials is magnified and because of this rcc is used extensively in all construction.
Mathematically for a roof to drain off the entire water the slope has to be 1 in 40 for normal rainfall.
Types of solid rcc slab rcc solid slabs are three types depending.
Reinforced concrete sloped roof slab overhang detail cross section detail of a reinforced concrete sloped inclined roof slab overhang cantilever detail.
Live load 40 psf figure 1.
Reinforced concrete or rcc is concrete that contains embedded steel bars plates or fibers that strengthen the material.
It is planned to have two construction joints for main building as decided.
Design the roof slab beam and column of house given in figure 1.
Updated march 8th 2019rcc slab can be various types depending on various criteria.
2 thick brick tile.
In case of major break down of the batching plant the additional construction joint may be left.
Construction joint shall be straight and have profile of l.
The construction joint shall be pre decided and fixed prior to start of the concreting.
That is another topic.
Slabs it is better to provide a max spacing of 200mm 8 for main bars and 250mm 10 in order to control the crack width and spacing.
This is most important part of the structure generally 1 2 4 and 1 1 5.
The reinforced concrete features combined the strength of cement and steel bars which are the basic components of a modern structural design.
Such as ribbed slab flat slab solid slab continuous slab simply supported slab etc.
Structural member of rcc slabs beams columns foundation 34.
3 ratios of rcc are used in construction work.
Dutch hip a dutch roof design is a hip roof with small gable ends at the ridge allowing for attic ventilation 13.
Slope of the roof a leakage happens when the roof is not properly drained off.
Concrete compressive strength fc 3 ksi.
Hip a hip roof is a gable roof with angled ends taking the place of the gable end of the structure.
Rcc roof slab in the construction industry when they use the word concrete they are talking about reinforced cement concrete also known as rcc.
Today we are going to discuss the types of solid rcc slabs.
Of 0 24 shall be used for the roof slabs since it is subjected to higher temperature.
Slabs s1 and s2 to be designed.