Why we use reinforcement in Beam?

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Why We Use Reinforcement Bars in Beams?

Reinforcement bars, also known as rebar, are used in beams to provide additional strength and durability to the structure. The use of reinforcement bars in beams is essential to ensure the safety and stability of the structure, especially in buildings and bridges. Here are some reasons why we use reinforcement bars in beams:

1. Resistance to Tension: Beams are subjected to tension forces, which can cause them to deform or break. Reinforcement bars help to resist these tension forces by providing additional strength to the beam. The tensile strength of the reinforcement bars is used to counteract the tension forces in the beam.
2. Improved Durability: Reinforcement bars help to improve the durability of the beam by reducing the risk of cracking and failure. The presence of reinforcement bars helps to distribute the loads more evenly, reducing the risk of localized stress concentrations that can lead to cracking and failure.
3. Reduced Shrinkage: Reinforcement bars help to reduce the shrinkage of the beam due to the presence of the reinforcement bars, which helps to maintain the shape and size of the beam.
4. Improved Fire Resistance: Reinforcement bars help to improve the fire resistance of the beam by providing a path for heat to escape, reducing the risk of thermal stress and failure.
5. Reduced Maintenance: Reinforcement bars help to reduce the maintenance requirements of the beam by providing additional strength and durability, reducing the need for repairs and replacements.

References:

1. “Design of Reinforced Concrete Beams” by A. K. Das and S. C. Dutta. This book provides a comprehensive overview of the design and analysis of reinforced concrete beams, including the use of reinforcement bars.
2. “Reinforced Concrete Design” by J. K. Leirner and R. J. Gibson. This book covers the principles of reinforced concrete design, including the use of reinforcement bars in beams.
3. “Concrete Structures: A General Introduction” by R. E. Gibson and J. K. Leirner. This book provides an overview of concrete structures, including the use of reinforcement bars in beams.

Therefore, reinforcement bars are an essential component of beams, providing additional strength, durability, and resistance to tension forces. The use of reinforcement bars in beams is a critical aspect of structural engineering, ensuring the safety and stability of buildings and bridges.

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Arbaj Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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