The horizontal distance between parallel main reinforcement bars shall not be more than. the effective depth of solid slab?

Question

Answer

Horizontal Distance between Main Reinforcement Bars in Solid Slabs

Introduction: Main reinforcement bars are used in concrete structures to provide strength and stability to the structure. In solid slabs, the horizontal distance between the main reinforcement bars is an important factor that needs to be considered during the design and construction phases. In this article, we will discuss why the horizontal distance between parallel main reinforcement bars should not be more than the effective depth of solid slab.

What is Effective Depth of Solid Slab?

The effective depth of a solid slab is the distance from the top of the slab to the center of the main reinforcement bars. It is an important parameter that influences the strength and stability of the slab. The effective depth is determined based on the span of the slab and the load carrying capacity required.

Why Horizontal Distance between Main Reinforcement Bars is Important?

The horizontal distance between main reinforcement bars in solid slabs is important for two reasons:

To ensure proper distribution of load

To prevent cracking and deformation of the slab

Proper Distribution of Load

The main reinforcement bars in a solid slab are responsible for carrying the load of the slab. If the horizontal distance between the bars is too large, the load may not be distributed evenly, and some areas of the slab may carry more load than others. This can lead to structural instability and failure.

Preventing Cracking and Deformation

When a solid slab is subjected to a load, it may undergo deformation or cracking. If the horizontal distance between the main reinforcement bars is too large, the slab may not be able to resist the deformation or cracking forces. This can result in the formation of cracks on the surface of the slab or even collapse of the slab.

Conclusion

The horizontal distance between parallel main reinforcement bars in a solid slab should not be more than the effective depth of the slab. This ensures proper load distribution and prevents cracking and deformation of the slab. Proper design and construction practices should be followed to ensure the safety and stability of concrete structures.

Answer

Shall not more than 3 times the effective depth or 300 mm which ever lesser as per is 456

Answer

A

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