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Which of the following square slab will behave as one-way slab ?
  • a)
    Simply supported along two opposite edges
  • b)
    Simply supported along three edges
  • c)
    Simply supported along all the four edges
  • d)
    None of the above
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Which of the following square slab will behave as one-way slab ?a)Simp...
Explanation:

A one-way slab is a type of reinforced concrete slab that is supported by beams on two opposite sides and carries the load in one direction only. The term "one-way" refers to the fact that the slab is designed to resist bending in only one direction.

In the given options, the square slab that is simply supported along two opposite edges will behave as a one-way slab. This is because the support conditions restrict the slab from bending in one direction and allow it to bend in the other direction.

Support Conditions:
- Simply supported along two opposite edges: This means that the slab is supported by beams on two opposite sides and is free to move and bend in the other two directions. This support condition is suitable for a one-way slab.

Reasoning:
- In a one-way slab, the primary reinforcement is provided in the direction perpendicular to the supports. This reinforcement is responsible for resisting the bending moment and carrying the load in that direction.
- The secondary reinforcement, also known as distribution reinforcement, is provided in the other direction to distribute the load evenly across the slab.
- In the given options, the slab simply supported along two opposite edges allows for bending in the direction parallel to the supports. This bending is resisted by the primary reinforcement, making it suitable for a one-way slab.

Conclusion:
- From the given options, the square slab that is simply supported along two opposite edges will behave as a one-way slab.
- This support condition restricts the slab from bending in one direction and allows it to bend in the other direction, which is the characteristic of a one-way slab.
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Community Answer
Which of the following square slab will behave as one-way slab ?a)Simp...
One-way slab:
(i) If a slab is supported only on two opposite supports, it is called a one-way slab.
(ii) If the slab is opposite on all four sides and span ratio 'ly/lx > 2', it is called a one-way slab.
(iii) Main reinforcement is provided along a shorter span.
(iv) Distribution reinforcement is provided along a longer span.
(v) maximum moment in the slab is along a shorter span direction.
(vi) When simply supported along two opposite edges square slab will behave as the one-way slab.
The maximum moment for the simply supported slab is given by,

Where lx = shorter span length 
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Which of the following square slab will behave as one-way slab ?a)Simply supported along two opposite edgesb)Simply supported along three edgesc)Simply supported along all the four edgesd)None of the aboveCorrect answer is option 'A'. Can you explain this answer?
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