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Modular ratio is defined as the ratio of:
  • a)
    Characteristic strength of concrete to that of Characteristic strength of steel
  • b)
    Characteristic strength of steel to that of Characteristic strength of concrete
  • c)
    Young’s modulus of steel to that of Young’s modulus of concrete
  • d)
    Young’s modulus of concrete to that of Young’s modulus of steel
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Modular ratio is defined as the ratio of:a)Characteristic strength of...
Modular ratio is defined as the ratio of Young’s modulus of steel to that of Young’s modulus of concrete.
M = Es/Ec
Where,
Es = Modulus of elasticity of steel
Ec = Modulus of elasticity of concrete
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Modular ratio is defined as the ratio of:a)Characteristic strength of...
Explanation:

Definition of Modular Ratio:
Modular ratio is defined as the ratio of Young’s modulus of steel to that of Young’s modulus of concrete. It is denoted by the symbol 'n' and is an important parameter used in the analysis and design of reinforced concrete structures.

Young’s Modulus:
Young’s modulus is a measure of the stiffness of a material and is defined as the ratio of stress to strain within the elastic range. It is an intrinsic property of the material and is used to determine the deformation behavior under loading.

Significance of Modular Ratio:
The modular ratio plays a crucial role in determining the distribution of stresses between concrete and steel in a reinforced concrete member. It helps in calculating the neutral axis position, which influences the design of the member.

Calculation of Modular Ratio:
The modular ratio is calculated by dividing the Young’s modulus of steel by the Young’s modulus of concrete. Mathematically, it can be expressed as:
n = Es / Ec
where Es is the Young’s modulus of steel and Ec is the Young’s modulus of concrete.

Importance in Design:
Understanding the modular ratio is essential for designing efficient and safe reinforced concrete structures. It helps in optimizing the use of materials and ensuring structural stability under various loading conditions.

Conclusion:
In conclusion, the modular ratio is a critical parameter in the design of reinforced concrete structures. By considering the Young’s modulus of steel and concrete, engineers can determine the appropriate distribution of stresses and ensure the structural integrity of the member.
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Modular ratio is defined as the ratio of:a)Characteristic strength of concrete to that of Characteristic strength of steelb)Characteristic strength of steel to that of Characteristic strength of concretec)Young’s modulus of steel to that of Young’s modulus of concreted)Young’s modulus of concrete to that of Young’s modulus of steelCorrect answer is option 'C'. Can you explain this answer?
Question Description
Modular ratio is defined as the ratio of:a)Characteristic strength of concrete to that of Characteristic strength of steelb)Characteristic strength of steel to that of Characteristic strength of concretec)Young’s modulus of steel to that of Young’s modulus of concreted)Young’s modulus of concrete to that of Young’s modulus of steelCorrect answer is option 'C'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about Modular ratio is defined as the ratio of:a)Characteristic strength of concrete to that of Characteristic strength of steelb)Characteristic strength of steel to that of Characteristic strength of concretec)Young’s modulus of steel to that of Young’s modulus of concreted)Young’s modulus of concrete to that of Young’s modulus of steelCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Modular ratio is defined as the ratio of:a)Characteristic strength of concrete to that of Characteristic strength of steelb)Characteristic strength of steel to that of Characteristic strength of concretec)Young’s modulus of steel to that of Young’s modulus of concreted)Young’s modulus of concrete to that of Young’s modulus of steelCorrect answer is option 'C'. Can you explain this answer?.
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