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The minimum strain at failure in the tensile reinforcement (Fy = 400 MPa) of RCC beamas per limit state method is
- a)0.0020
- b)0.0028
- c)0.0037
- d)0.0045
Correct answer is option 'C'. Can you explain this answer?
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The minimum strain at failure in the tensile reinforcement (Fy = 400 M...
The minimum strain at failure in the tensile reinforcement of a reinforced concrete beam can be determined using the limit state method. In this method, the ultimate strength of the reinforcement is considered, and the strain at failure is calculated based on the yield strength of the reinforcement.
Here, the yield strength of the reinforcement (Fy) is given as 400 MPa.
To determine the minimum strain at failure, we can use the formula:
εf = Fy / Es
Where εf is the strain at failure, Fy is the yield strength of the reinforcement, and Es is the modulus of elasticity of the reinforcement.
In this case, we are given the yield strength (Fy = 400 MPa), but we need to determine the modulus of elasticity of the reinforcement (Es) in order to calculate the strain at failure.
The modulus of elasticity of steel reinforcement is commonly taken as 200 GPa or 200,000 MPa. Using this value, we can calculate the strain at failure as follows:
εf = 400 MPa / 200,000 MPa
Simplifying, we get:
εf = 0.002
Therefore, the minimum strain at failure in the tensile reinforcement is 0.002, which corresponds to option C.
Here, the yield strength of the reinforcement (Fy) is given as 400 MPa.
To determine the minimum strain at failure, we can use the formula:
εf = Fy / Es
Where εf is the strain at failure, Fy is the yield strength of the reinforcement, and Es is the modulus of elasticity of the reinforcement.
In this case, we are given the yield strength (Fy = 400 MPa), but we need to determine the modulus of elasticity of the reinforcement (Es) in order to calculate the strain at failure.
The modulus of elasticity of steel reinforcement is commonly taken as 200 GPa or 200,000 MPa. Using this value, we can calculate the strain at failure as follows:
εf = 400 MPa / 200,000 MPa
Simplifying, we get:
εf = 0.002
Therefore, the minimum strain at failure in the tensile reinforcement is 0.002, which corresponds to option C.
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The minimum strain at failure in the tensile reinforcement (Fy = 400 MPa) of RCC beamas per limit state method isa)0.0020b)0.0028c)0.0037d)0.0045Correct answer is option 'C'. Can you explain this answer?
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