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.
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
• 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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