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The limits of percentage 'p' of the longitudinal reinforcement in a column is
- a)0.15% to 2%
- b)0.8% to 4%
- c)0.8% to 6%
- d)0.8% to 8%
Correct answer is option 'C'. Can you explain this answer?
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The limits of percentage p of the longitudinal reinforcement in a colu...
The correct answer is option 'C': 0.8% to 6%.
Explanation:
In reinforced concrete columns, longitudinal reinforcement is provided to resist the axial forces and bending moments that the column may experience. The percentage of longitudinal reinforcement refers to the ratio of the cross-sectional area of the reinforcement bars to the cross-sectional area of the column.
The limits of percentage p of the longitudinal reinforcement in a column are determined based on several factors, including the strength and ductility requirements of the column, the type of loading it will be subjected to, and the design codes and standards followed.
The range of 0.8% to 6% for the percentage of longitudinal reinforcement is commonly used in the design of reinforced concrete columns. This range ensures adequate strength and ductility while also considering constructability and practicality.
Here is a breakdown of the limits:
1. Minimum limit:
The minimum percentage of longitudinal reinforcement is typically set to ensure adequate strength and prevent brittle failure. A minimum limit of 0.8% is often specified to provide sufficient tensile strength and control cracking.
2. Maximum limit:
The maximum percentage of longitudinal reinforcement is determined to prevent congestion of reinforcement bars, which can hinder the proper placement of concrete and compaction during construction. Additionally, a high percentage of reinforcement may lead to a decrease in concrete cover, reducing durability and increasing the risk of corrosion. A maximum limit of 6% is commonly set to address these concerns.
Conclusion:
In summary, the limits of percentage p of the longitudinal reinforcement in a column are 0.8% to 6%. These limits ensure that the column has sufficient strength, ductility, and constructability while considering practicality and durability requirements.
Explanation:
In reinforced concrete columns, longitudinal reinforcement is provided to resist the axial forces and bending moments that the column may experience. The percentage of longitudinal reinforcement refers to the ratio of the cross-sectional area of the reinforcement bars to the cross-sectional area of the column.
The limits of percentage p of the longitudinal reinforcement in a column are determined based on several factors, including the strength and ductility requirements of the column, the type of loading it will be subjected to, and the design codes and standards followed.
The range of 0.8% to 6% for the percentage of longitudinal reinforcement is commonly used in the design of reinforced concrete columns. This range ensures adequate strength and ductility while also considering constructability and practicality.
Here is a breakdown of the limits:
1. Minimum limit:
The minimum percentage of longitudinal reinforcement is typically set to ensure adequate strength and prevent brittle failure. A minimum limit of 0.8% is often specified to provide sufficient tensile strength and control cracking.
2. Maximum limit:
The maximum percentage of longitudinal reinforcement is determined to prevent congestion of reinforcement bars, which can hinder the proper placement of concrete and compaction during construction. Additionally, a high percentage of reinforcement may lead to a decrease in concrete cover, reducing durability and increasing the risk of corrosion. A maximum limit of 6% is commonly set to address these concerns.
Conclusion:
In summary, the limits of percentage p of the longitudinal reinforcement in a column are 0.8% to 6%. These limits ensure that the column has sufficient strength, ductility, and constructability while considering practicality and durability requirements.
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The limits of percentage p of the longitudinal reinforcement in a column isa)0.15% to 2%b)0.8% to 4%c)0.8% to 6%d)0.8% to 8%Correct answer is option 'C'. Can you explain this answer?
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