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In the context of the IRC 58-2011 guidelines for rigid pavement design, consider the following pair
of statements.
I: Radius of relative stiffness is directly related to the modulus of elasticity of concrete and inversely
related to Poisson's ratio.
II: Radius of relative stiffness is directly related to the thickness of slab and modulus of subgrade
reaction.
Which one of the following combinations is correct?
  • a)
    I: True; II: True
  • b)
     I: False; II: False
  • c)
    I: True; II: False
  • d)
    I: False; II: True
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
In the context of the IRC 58-2011 guidelines for rigid pavement design...
Radius of relative stiffness
As μ increases then 1 – μ2 decreases.
∴ Relative stiffness also increases
∴ Statements 1 is false
Modulus of subgrade reaction is

Hence, Statement 2 is false.
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In the context of the IRC 58-2011 guidelines for rigid pavement design, consider the following pairof statements.I: Radius of relative stiffness is directly related to the modulus of elasticity of concrete and inverselyrelated to Poisson's ratio.II: Radius of relative stiffness is directly related to the thickness of slab and modulus of subgradereaction.Which one of the following combinations is correct?a)I: True; II: Trueb)I: False; II: Falsec)I: True; II: Falsed)I: False; II: TrueCorrect answer is option 'B'. Can you explain this answer?
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In the context of the IRC 58-2011 guidelines for rigid pavement design, consider the following pairof statements.I: Radius of relative stiffness is directly related to the modulus of elasticity of concrete and inverselyrelated to Poisson's ratio.II: Radius of relative stiffness is directly related to the thickness of slab and modulus of subgradereaction.Which one of the following combinations is correct?a)I: True; II: Trueb)I: False; II: Falsec)I: True; II: Falsed)I: False; II: TrueCorrect answer is option 'B'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about In the context of the IRC 58-2011 guidelines for rigid pavement design, consider the following pairof statements.I: Radius of relative stiffness is directly related to the modulus of elasticity of concrete and inverselyrelated to Poisson's ratio.II: Radius of relative stiffness is directly related to the thickness of slab and modulus of subgradereaction.Which one of the following combinations is correct?a)I: True; II: Trueb)I: False; II: Falsec)I: True; II: Falsed)I: False; II: TrueCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the context of the IRC 58-2011 guidelines for rigid pavement design, consider the following pairof statements.I: Radius of relative stiffness is directly related to the modulus of elasticity of concrete and inverselyrelated to Poisson's ratio.II: Radius of relative stiffness is directly related to the thickness of slab and modulus of subgradereaction.Which one of the following combinations is correct?a)I: True; II: Trueb)I: False; II: Falsec)I: True; II: Falsed)I: False; II: TrueCorrect answer is option 'B'. Can you explain this answer?.
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