Brief explanation of rebaring method in reinforced concrete construction

Rebaring technique in reinforced concrete construction stands for a process that is undertaken for fabricating and arranging of reinforcement bars perfectly based on the design and drawings intended for RCC works.

It is known fact that concrete is very durable in compression and weak in tension. The reinforcement bars alias rebars are strong in tension and these are combined with concrete to employ its tension property.

The responsible engineer produces the calculation of reinforcement bar for a reinforced concrete work. The engineer supplies us the particular details of the number of reinforcement bars as well as the shape and size of each bar for each work.

Various types of loads like tension, compression, lateral, horizontal and torsion are available which develop from pressure. To determine the strength of concrete, you have to find out whether concrete can withstand these loads or not.

The strength obtained by the R.C.C structure is based on the method and the techniques to be used for setting up the reinforcement bar. The reinforcement bars are primarily patterned over its surface to allow perfect bonding with the concrete.

Importance of Rebaring Technique in Reinforced Concrete Construction: The steel reinforcement usually is segregated into two categories i.e.

• Primary Reinforcement or Main Steel reinforcement
• Secondary reinforcement or distribution reinforcement

The objective of applying main steel reinforcement bars in R.C.C structures is to maintain resistance capacity for withstanding the entire design loads delivered to it. The secondary reinforcement bars are primarily used to maintain longevity and elegant look.

This reinforcement ensures to keep resistance for localized areas like limited cracking. These can also combat the stresses produced because of divergences in temperature.

The main bars which are used with indicated diameter, are bent at the ends. The stirrups belong to reinforcements which are arranged laterally, to place the main bars of the structural elements like beams and columns, in exact location.

The stirrups may come in various shapes like circular, square, rectangular, helical or diamond on the basis of the cross-section of the structural element. The reinforcement bars in the corners may appear as L – shaped.

The caging for the structural element to be decided should be perfectly fastened so as to keep the position of each bar unchanged throughout concreting. This is a check that should be always maintained throughout concreting otherwise it can hamper the stability of the structural member.

The rebars are primarily arranged at the junctions where the formwork of the structural element is closed and at the point where a new structural element should be fastened with the former one.

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Brief explanation of rebaring method in reinforced concrete construction