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Choose the correct statement regarding reinforcement detailing:
  • a)
    Lap splices, in general, shall not be used for bars larger than 36 mm diameter
  • b)
    For two or more rows of the bars, the bars shall be vertically in line
  • c)
    The cover for reinforcement in footing shall not be less than 50 mm.
  • d)
    All of the above
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Choose the correct statement regarding reinforcement detailing:a)Lap s...
As per IS 456:2000,
1. Lap splicing of reinforcement bar more than 36 mm in diameter should be avoided. In case such bars have to be lapped then they should be welded. (Reference IS456 clause 25.2.5).
2. Where there are two or more rows of bars, the bars shall be vertically in line and the minimum vertical distance between the bars shall be 15 mm, two third the maximum nominal size of aggregate or maximum size of bars, whichever is greater.
3. The minimum nominal cover for footing shall not be less than 50 mm.
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Most Upvoted Answer
Choose the correct statement regarding reinforcement detailing:a)Lap s...
**Reinforcement Detailing in Civil Engineering**

Reinforcement detailing is a crucial aspect of structural design in civil engineering. It involves specifying the arrangements and dimensions of reinforcement bars in concrete structures to ensure their structural integrity and performance. Let's discuss each statement and why option 'D' is the correct answer.

**a) Lap splices, in general, shall not be used for bars larger than 36 mm diameter:**

Lap splicing is a common technique used to join reinforcement bars when their length is insufficient for a continuous placement. However, for bars larger than 36 mm in diameter, lap splices are generally not recommended. This is because the larger diameter bars have higher tensile strength and require more effective anchorage to develop their full strength. Therefore, alternative methods such as mechanical splicing or welding are often preferred for larger diameter bars.

**b) For two or more rows of bars, the bars shall be vertically in line:**

When multiple rows of reinforcement bars are used, it is important to ensure that the bars are vertically aligned. This alignment helps in evenly distributing the load and ensures the structural integrity of the concrete element. In case the bars are not vertically aligned, it can lead to inadequate load transfer, reduced strength, and structural instability.

**c) The cover for reinforcement in footing shall not be less than 50 mm:**

The cover refers to the distance between the outer surface of the concrete and the nearest reinforcement bar. It plays a crucial role in protecting the reinforcement from corrosion, fire, and other environmental factors. In the case of footings, which are the supporting elements of a structure, a minimum cover of 50 mm is typically recommended. This ensures adequate protection for the reinforcement and helps in maintaining the durability and strength of the structure.

**d) All of the above:**

Option 'D' is the correct answer because all of the statements (a, b, and c) are true and important considerations in reinforcement detailing. Each statement addresses a specific aspect of reinforcement detailing, such as the use of lap splices for larger diameter bars, the vertical alignment of bars in multiple rows, and the minimum cover for reinforcement in footings. Adhering to these guidelines ensures the structural integrity, durability, and performance of concrete structures.

In conclusion, reinforcement detailing is a critical aspect of civil engineering design, and careful consideration should be given to the arrangement and dimensions of reinforcement bars. Following the guidelines mentioned in the statements (a, b, and c) helps in ensuring the structural integrity and performance of concrete structures.
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Choose the correct statement regarding reinforcement detailing:a)Lap splices, in general, shall not be used for bars larger than 36 mm diameterb)For two or more rows of the bars, the bars shall be vertically in linec)The cover for reinforcement in footing shall not be less than 50 mm.d)All of the aboveCorrect answer is option 'D'. Can you explain this answer?
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Choose the correct statement regarding reinforcement detailing:a)Lap splices, in general, shall not be used for bars larger than 36 mm diameterb)For two or more rows of the bars, the bars shall be vertically in linec)The cover for reinforcement in footing shall not be less than 50 mm.d)All of the aboveCorrect answer is option 'D'. 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 Choose the correct statement regarding reinforcement detailing:a)Lap splices, in general, shall not be used for bars larger than 36 mm diameterb)For two or more rows of the bars, the bars shall be vertically in linec)The cover for reinforcement in footing shall not be less than 50 mm.d)All of the aboveCorrect answer is option 'D'. 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 Choose the correct statement regarding reinforcement detailing:a)Lap splices, in general, shall not be used for bars larger than 36 mm diameterb)For two or more rows of the bars, the bars shall be vertically in linec)The cover for reinforcement in footing shall not be less than 50 mm.d)All of the aboveCorrect answer is option 'D'. Can you explain this answer?.
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