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