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The tensile strength of concrete in flexure and per IS: 456 is where (fck) is the characteristic strength of concentre.
- a)0.6√fck
- b)0.7√fck
- c)0.75√fck
- d)0.9√fck
Correct answer is option 'B'. Can you explain this answer?
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The tensile strength of concrete in flexure and per IS: 456 is where ...
The tensile strength of concrete in flexure and per IS: 456 is 0.7√fck, where (fck) is the characteristic strength of concentre.
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Hence the correct answer is option B.
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The tensile strength of concrete in flexure and per IS: 456 is where ...
Tensile strength of concrete in flexure per IS: 456
The tensile strength of concrete in flexure per IS: 456 is given by the following formula where (fck) is the characteristic strength of concrete.
Formula:
0.7√fck
Explanation:
- The tensile strength of concrete is the maximum stress that concrete can withstand under tension before it fails.
- Flexure refers to the bending of a beam or slab, which creates tension on the bottom surface and compression on the top surface.
- IS: 456 is the Indian Standard Code of Practice for Plain and Reinforced Concrete. It provides guidelines for the design and construction of concrete structures.
- The characteristic strength of concrete (fck) is the strength below which not more than 5% of test results are expected to fall.
- According to IS: 456, the tensile strength of concrete in flexure is given by the formula 0.7√fck.
- The value obtained from this formula is used in the design of reinforced concrete beams and slabs to ensure that they can withstand the stresses created by bending.
- The factor of safety is also taken into account while designing concrete structures to ensure that they can withstand unexpected loads and environmental factors.
Conclusion:
The tensile strength of concrete in flexure per IS: 456 is given by the formula 0.7√fck. This value is used in the design of reinforced concrete structures to ensure that they can withstand the stresses created by bending. It is important to consider the factor of safety while designing concrete structures to ensure their durability and longevity.
The tensile strength of concrete in flexure per IS: 456 is given by the following formula where (fck) is the characteristic strength of concrete.
Formula:
0.7√fck
Explanation:
- The tensile strength of concrete is the maximum stress that concrete can withstand under tension before it fails.
- Flexure refers to the bending of a beam or slab, which creates tension on the bottom surface and compression on the top surface.
- IS: 456 is the Indian Standard Code of Practice for Plain and Reinforced Concrete. It provides guidelines for the design and construction of concrete structures.
- The characteristic strength of concrete (fck) is the strength below which not more than 5% of test results are expected to fall.
- According to IS: 456, the tensile strength of concrete in flexure is given by the formula 0.7√fck.
- The value obtained from this formula is used in the design of reinforced concrete beams and slabs to ensure that they can withstand the stresses created by bending.
- The factor of safety is also taken into account while designing concrete structures to ensure that they can withstand unexpected loads and environmental factors.
Conclusion:
The tensile strength of concrete in flexure per IS: 456 is given by the formula 0.7√fck. This value is used in the design of reinforced concrete structures to ensure that they can withstand the stresses created by bending. It is important to consider the factor of safety while designing concrete structures to ensure their durability and longevity.
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