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The modulus of rupture of concrete gives
  • a)
    the direct tensile strength of the concrete
  • b)
    the direct compressive strength of the concrete
  • c)
    the tensile strength of concrete under bending
  • d)
    the characteristic strength of concrete
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The modulus of rupture of concrete givesa)the direct tensile strength...
Modulus of rupture obtained by performing Fracture test on concrete gives the theoretical maximum tensile stress under bending on the concrete specimen.
Hence the correct answer is option C.
Most Upvoted Answer
The modulus of rupture of concrete givesa)the direct tensile strength...
Modulus of Rupture of Concrete

The modulus of rupture of concrete refers to the measure of tensile strength of concrete under bending. It is an important parameter to consider in the design and analysis of structural components made of concrete.

Explanation:

The modulus of rupture is determined by conducting a flexural test on a concrete specimen. In this test, a beam or a prismatic specimen of a specific size is subjected to a gradually increasing load until it fails in tension. The load at which the specimen fails is recorded, and the modulus of rupture is calculated using the following formula:

Modulus of Rupture = Maximum Load / (Width x Height^2)

This formula indicates that the modulus of rupture is directly influenced by the maximum load applied and the dimensions of the specimen. It is important to note that the modulus of rupture is not equivalent to the direct tensile strength or the direct compressive strength of concrete.

Key Points:

The modulus of rupture of concrete provides the following information:

- Tensile Strength: The modulus of rupture is a measure of the tensile strength of concrete. It indicates the ability of concrete to resist tensile stresses when subjected to bending or flexural loads. This is crucial in the design of structural elements such as beams and slabs, which experience both compressive and tensile forces.

- Bending Behavior: The modulus of rupture reflects the behavior of concrete under bending. It helps engineers determine the capacity of concrete to withstand bending moments and distribute the applied loads effectively.

- Design Considerations: The modulus of rupture is a critical parameter in the design of reinforced concrete structures. By knowing the tensile strength under bending, engineers can calculate the required reinforcement and ensure the structural integrity of the components.

In conclusion, the modulus of rupture of concrete represents the tensile strength of concrete under bending. It is an important factor in structural design and analysis, providing insights into the behavior of concrete under flexural loads.
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The modulus of rupture of concrete givesa)the direct tensile strength of the concreteb)the direct compressive strength of the concretec)the tensile strength of concrete under bendingd)the characteristic strength of concreteCorrect answer is option 'C'. Can you explain this answer?
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