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The width of the flange of a L-beam, should be less than
- a)One-sixth of the effective span
- b)Breadth of the rib + four times thickness of the slab
- c)Breadth of the rib + half clear distance between ribs
- d)Least of the above
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The width of the flange of a L-beam, should be less thana)One-sixth of...
According to IS 456:2000, the width of the flange of a L-beam should be lesser of
i) The breadth of the rib plus half the sum of the clear distances to the adjacent ribs.
ii) The breadth of the rib plus four times thickness of the slab.
Most Upvoted Answer
The width of the flange of a L-beam, should be less thana)One-sixth of...
Explanation:
The L-beam is a type of structural steel beam that is commonly used in building construction. It has two perpendicular flanges and a web connecting them. The width of the flange is an important parameter that affects the strength and stiffness of the beam. Here is an explanation of the given options:
a) One-sixth of the effective span: This option is based on the assumption that the flange width should not be too large compared to the effective span of the beam. However, this is a rough guideline that may not be applicable to all cases.
b) Breadth of the rib four times thickness of the slab: This option is specific to reinforced concrete beams that have ribs on their underside. The width of the flange should be less than the breadth of the rib, which is four times the thickness of the slab. This ensures that the flange does not interfere with the ribs and that the concrete is properly reinforced.
c) Breadth of the rib half clear distance between ribs: This option is similar to option b but assumes that the distance between the ribs is known. The flange width should be less than half of this distance to avoid interference with the ribs.
d) Least of the above: This option is the correct answer because it takes into account all the considerations mentioned in the other options. The width of the flange should be less than one-sixth of the effective span, the breadth of the rib, and half the clear distance between ribs, whichever is the least restrictive.
Conclusion:
The width of the flange of an L-beam should be carefully chosen to ensure that it does not compromise the strength and stiffness of the beam. The correct option is to choose the least restrictive condition among several possible guidelines.
The L-beam is a type of structural steel beam that is commonly used in building construction. It has two perpendicular flanges and a web connecting them. The width of the flange is an important parameter that affects the strength and stiffness of the beam. Here is an explanation of the given options:
a) One-sixth of the effective span: This option is based on the assumption that the flange width should not be too large compared to the effective span of the beam. However, this is a rough guideline that may not be applicable to all cases.
b) Breadth of the rib four times thickness of the slab: This option is specific to reinforced concrete beams that have ribs on their underside. The width of the flange should be less than the breadth of the rib, which is four times the thickness of the slab. This ensures that the flange does not interfere with the ribs and that the concrete is properly reinforced.
c) Breadth of the rib half clear distance between ribs: This option is similar to option b but assumes that the distance between the ribs is known. The flange width should be less than half of this distance to avoid interference with the ribs.
d) Least of the above: This option is the correct answer because it takes into account all the considerations mentioned in the other options. The width of the flange should be less than one-sixth of the effective span, the breadth of the rib, and half the clear distance between ribs, whichever is the least restrictive.
Conclusion:
The width of the flange of an L-beam should be carefully chosen to ensure that it does not compromise the strength and stiffness of the beam. The correct option is to choose the least restrictive condition among several possible guidelines.
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The width of the flange of a L-beam, should be less thana)One-sixth of the effective spanb)Breadth of the rib + four times thickness of the slabc)Breadth of the rib + half clear distance between ribsd)Least of the aboveCorrect answer is option 'D'. Can you explain this answer? for Civil Engineering (CE) 2025 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about The width of the flange of a L-beam, should be less thana)One-sixth of the effective spanb)Breadth of the rib + four times thickness of the slabc)Breadth of the rib + half clear distance between ribsd)Least of the aboveCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The width of the flange of a L-beam, should be less thana)One-sixth of the effective spanb)Breadth of the rib + four times thickness of the slabc)Breadth of the rib + half clear distance between ribsd)Least of the aboveCorrect answer is option 'D'. Can you explain this answer?.
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