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Minimum clear cover (in mm) to the main steel bars in slab, beam, column and footing respectively are
- a)10, 15, 20, 25
- b)20, 25, 40, 50
- c)15, 25, 40, 75
- d)20, 35, 40, 75
Correct answer is option 'B'. Can you explain this answer?
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Minimum clear cover (in mm) to the main steel bars in slab, beam, colu...
Minimum clear over (in mm) to the steel bars in slab, beam, column and footing respectively. are 20, 25, 40, 50
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Minimum clear cover (in mm) to the main steel bars in slab, beam, colu...
Minimum Clear Cover for Main Steel Bars:
- Slab: 20 mm
- Beam: 25 mm
- Column: 40 mm
- Footing: 50 mm
Explanation:
- The minimum clear cover is the minimum distance between the outer surface of the concrete and the main steel bars. It is essential to provide adequate clear cover to protect the steel from corrosion and ensure the durability of the structure.
- In slabs, a minimum clear cover of 20 mm is required to protect the steel reinforcement from environmental factors and ensure proper bonding with the concrete.
- For beams, a clear cover of 25 mm is necessary to provide sufficient protection to the steel bars and prevent any damage to the structure.
- Columns require a minimum clear cover of 40 mm to maintain the structural integrity and protect the steel reinforcement from corrosion.
- Footings, being the base of the structure, require a higher clear cover of 50 mm to ensure the stability and strength of the foundation.
Therefore, option 'B' with clear cover values of 20 mm for slab, 25 mm for beam, 40 mm for column, and 50 mm for footing is the correct choice for the minimum clear cover for main steel bars in slab, beam, column, and footing respectively.
- Slab: 20 mm
- Beam: 25 mm
- Column: 40 mm
- Footing: 50 mm
Explanation:
- The minimum clear cover is the minimum distance between the outer surface of the concrete and the main steel bars. It is essential to provide adequate clear cover to protect the steel from corrosion and ensure the durability of the structure.
- In slabs, a minimum clear cover of 20 mm is required to protect the steel reinforcement from environmental factors and ensure proper bonding with the concrete.
- For beams, a clear cover of 25 mm is necessary to provide sufficient protection to the steel bars and prevent any damage to the structure.
- Columns require a minimum clear cover of 40 mm to maintain the structural integrity and protect the steel reinforcement from corrosion.
- Footings, being the base of the structure, require a higher clear cover of 50 mm to ensure the stability and strength of the foundation.
Therefore, option 'B' with clear cover values of 20 mm for slab, 25 mm for beam, 40 mm for column, and 50 mm for footing is the correct choice for the minimum clear cover for main steel bars in slab, beam, column, and footing respectively.
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Minimum clear cover (in mm) to the main steel bars in slab, beam, column and footing respectively area)10, 15, 20, 25b)20, 25, 40, 50c)15, 25, 40, 75d)20, 35, 40, 75Correct answer is option 'B'. Can you explain this answer?
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