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The effective span, of cantilever slab at the end of a continuous slab is:

  • a)
    Clear span + effective depth of the slab

  • b)
    Clear span + half of the effective depth of the slab

  • c)
    Length up to face of support + half of the effective width

  • d)
    Length up to the centre of the support

Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
The effective span, of cantilever slab at the end of a continuous slab...
The effective span of a cantilever slab at the end of a continuous slab is defined as the length up to the face of the support, which is half of the effective width. Let's break down this answer and explain it in detail.

**Definition of the Effective Span:**
The effective span of a slab is the distance between the centers of supports. In the case of a cantilever slab at the end of a continuous slab, the effective span refers to the length up to the face of the support.

**Explanation:**

1. **Cantilever Slab:** A cantilever slab is a type of slab that is supported at one end and extends beyond its support. It is commonly used in structures where an overhang or balcony is required.

2. **Continuous Slab:** A continuous slab is a slab that is supported by beams or walls on all sides, allowing the loads to be evenly distributed across the supports. In the case of a continuous slab, the effective span is the distance between the centers of the supports.

3. **End of a Continuous Slab:** When a cantilever slab is attached to the end of a continuous slab, the effective span at the end of the continuous slab refers to the length up to the face of the support.

4. **Length up to the Face of the Support:** In this context, the length up to the face of the support means the distance from the end of the cantilever slab to the face of the support beam or wall.

5. **Half of the Effective Width:** The effective width of a slab is the distance from the centerline of the slab to the face of the support. Therefore, half of the effective width is considered as the effective span at the end of the continuous slab.

By considering the length up to the face of the support as the effective span, the design and analysis of the cantilever slab can be accurately performed. This is because the load distribution and the behavior of the slab are influenced by the support conditions at the end.

Therefore, the correct answer is option 'C': Length up to the face of support, half of the effective width.
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The effective span, of cantilever slab at the end of a continuous slab...
Explanation
 

  • Cantilever Span: The effective span of a cantilever slab at the end of a continuous slab is the length up to the face of the support plus half of the effective width. This is because the cantilever slab is supported at one end and extends beyond the support.

  • Effective Span Calculation: To calculate the effective span, you need to consider the length up to the face of the support plus half of the effective width of the slab. This will give you the distance that the cantilever slab can effectively span without additional support.

  • Importance: Determining the effective span of a cantilever slab is important for structural design and ensuring that the slab can support the required loads without failing.


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The effective span, of cantilever slab at the end of a continuous slab is:a)Clear span + effective depth of the slabb)Clear span + half of the effective depth of the slabc)Length up to face of support + half of the effective widthd)Length up to the centre of the supportCorrect answer is option 'C'. Can you explain this answer?
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