What is the property of RCC?

 

What is the property of RCC?

Concrete is good for resisting compression but it is also very weak in preventing stress. Therefore reinforcement will be provided in concrete where tensile stress is expected. The best reinforcement is steel, because steel has a high tensile strength and the bonds between steel and concrete are good. Since the elastic modulus of steel is higher, the resistance by steel is higher than that of concrete for the same expansion.

In the tensile zone, however, a shortage of hair in concrete is inevitable. Reinforcement is usually in the form of mild steel or ribbed steel bars of 6 mm to 32 mm diameter. A cage of reinforcement is made according to the requirements of the design, it is placed in the work of the form and then the green concrete is poured. Form work will be removed once the concrete has hardened. The combined material of steel and concrete is now RCC. Acts as a structural member and can withstand stress as well as stressors.

 

Properties of R.C.C./Requirement of Good R.C.C.

 

1. It should be able to resist the expected tensile, compression, bending and shearing forces.

2.It should not show excessive deflection and spoil the need for serviceability.

3. Reinforcement should have proper covering, so that corrosion is prevented.

4. Cracks of developed hair should be within the permissible limits.

5.It is a good fire resistant material.

6.When it is fresh it can be molded to any desired shape and size.

7. The durability is very good.

8.R.C.C. The structure can be designed to take any load.

 

Uses of R.C.C.

 

This building is widely used. Some of its most important uses are listed below:

1. R.C.C. is used as a structural element, the common structural elements in a building where

R.C.C. is used are:

(a) Footings (b) Columns

(c) Beams and lintels (d) roofs and slabs.

(e) Stairs.

2. R.C.C. is used for the construction of storage structures like

(a) Water tanks (b) Dams

(c) Bins (d) Silos and bunkers.

3. It is used for the construction of big structures like

(a) Bridges (b) Retaining walls

(c) Docks and harbors (d) Under water structures.

4. It is used for pre-casting

(a) Railway sleepers (b) Electric poles

5. R.C.C. is used for constructing tall structures like

(a) Multistory buildings (b) Chimneys

(c) Towers.

6. It is used for paving

(a) Roads (b) Airports.

7. R.C.C. is used in building atomic plants to prevent danger of radiation. For this purpose R.C.C. walls built are 1.5 m to 2.0 m thick.