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Which one of the following statements is not correct?
- a)The maximum effective slenderness ratio in a compression flange of a beam against lateral torsional buckling is 300.
- b)Double angle continuous struts such as those forming the flanges shall be designed as axially loaded compression members.
- c)In bolted connection, the minimum width of lacing bars shall be four times nominal diameter of the end bolt.
- d)Deflection are to be checked for the most adverse but realistic combination of service load and there arrangement by elastic analysis, using a load factor of 1.0.
Correct answer is option 'C'. Can you explain this answer?
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Which one of the following statements is not correct?a)The maximum eff...
In bolted connection, the minimum width of lacing bars shall be three times the nominal diameter of the end bolt.
For more detail refers (IS 800:2007 section 7.6.2, page)
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Which one of the following statements is not correct?a)The maximum eff...
Understanding the Incorrect Statement
The statement that is not correct is option 'C': "In bolted connection, the minimum width of lacing bars shall be four times the nominal diameter of the end bolt."
Explanation of the Statement
- The design of lacing bars in bolted connections has specific guidelines to ensure structural integrity and safety.
- The typical requirement for the width of lacing bars is not strictly defined as four times the nominal diameter of the end bolt. Instead, it varies based on the design specifications, material properties, and load conditions.
Key Considerations
- **Design Codes**: Different design codes (like AISC, Eurocode) provide guidelines for lacing bar dimensions based on structural performance rather than a fixed multiple of bolt diameter.
- **Functional Requirements**: Lacing bars must effectively transfer loads and provide stability, which might necessitate dimensions that differ from the four-times rule.
- **Practical Considerations**: In practical engineering, the lacing design should consider factors such as fabrication, connection details, and overall member proportions.
Comparison with Other Options
- **Option A**: The slenderness ratio limit of 300 for compression flanges is correct and widely accepted in design codes to prevent buckling.
- **Option B**: Double angle continuous struts are indeed designed as axially loaded compression members, which aligns with design principles.
- **Option D**: Performing elastic analysis with a load factor of 1.0 for deflection checks is a standard practice for serviceability requirements.
Conclusion
Thus, option 'C' is incorrect because it oversimplifies the design requirements for lacing bars in bolted connections, which are governed by more complex considerations beyond a fixed multiple of bolt diameter.
The statement that is not correct is option 'C': "In bolted connection, the minimum width of lacing bars shall be four times the nominal diameter of the end bolt."
Explanation of the Statement
- The design of lacing bars in bolted connections has specific guidelines to ensure structural integrity and safety.
- The typical requirement for the width of lacing bars is not strictly defined as four times the nominal diameter of the end bolt. Instead, it varies based on the design specifications, material properties, and load conditions.
Key Considerations
- **Design Codes**: Different design codes (like AISC, Eurocode) provide guidelines for lacing bar dimensions based on structural performance rather than a fixed multiple of bolt diameter.
- **Functional Requirements**: Lacing bars must effectively transfer loads and provide stability, which might necessitate dimensions that differ from the four-times rule.
- **Practical Considerations**: In practical engineering, the lacing design should consider factors such as fabrication, connection details, and overall member proportions.
Comparison with Other Options
- **Option A**: The slenderness ratio limit of 300 for compression flanges is correct and widely accepted in design codes to prevent buckling.
- **Option B**: Double angle continuous struts are indeed designed as axially loaded compression members, which aligns with design principles.
- **Option D**: Performing elastic analysis with a load factor of 1.0 for deflection checks is a standard practice for serviceability requirements.
Conclusion
Thus, option 'C' is incorrect because it oversimplifies the design requirements for lacing bars in bolted connections, which are governed by more complex considerations beyond a fixed multiple of bolt diameter.
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Which one of the following statements is not correct?a)The maximum effective slenderness ratio in a compression flange of a beam against lateral torsional buckling is 300.b)Double angle continuous struts such as those forming the flanges shall be designed as axially loaded compression members.c)In bolted connection, the minimum width of lacing bars shall be four times nominal diameter of the end bolt.d)Deflection are to be checked for the most adverse but realistic combination of service load and there arrangement by elastic analysis, using a load factor of 1.0.Correct answer is option 'C'. Can you explain this answer?
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Which one of the following statements is not correct?a)The maximum effective slenderness ratio in a compression flange of a beam against lateral torsional buckling is 300.b)Double angle continuous struts such as those forming the flanges shall be designed as axially loaded compression members.c)In bolted connection, the minimum width of lacing bars shall be four times nominal diameter of the end bolt.d)Deflection are to be checked for the most adverse but realistic combination of service load and there arrangement by elastic analysis, using a load factor of 1.0.Correct answer is option 'C'. 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 Which one of the following statements is not correct?a)The maximum effective slenderness ratio in a compression flange of a beam against lateral torsional buckling is 300.b)Double angle continuous struts such as those forming the flanges shall be designed as axially loaded compression members.c)In bolted connection, the minimum width of lacing bars shall be four times nominal diameter of the end bolt.d)Deflection are to be checked for the most adverse but realistic combination of service load and there arrangement by elastic analysis, using a load factor of 1.0.Correct answer is option 'C'. 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 Which one of the following statements is not correct?a)The maximum effective slenderness ratio in a compression flange of a beam against lateral torsional buckling is 300.b)Double angle continuous struts such as those forming the flanges shall be designed as axially loaded compression members.c)In bolted connection, the minimum width of lacing bars shall be four times nominal diameter of the end bolt.d)Deflection are to be checked for the most adverse but realistic combination of service load and there arrangement by elastic analysis, using a load factor of 1.0.Correct answer is option 'C'. Can you explain this answer?.
Which one of the following statements is not correct?a)The maximum effective slenderness ratio in a compression flange of a beam against lateral torsional buckling is 300.b)Double angle continuous struts such as those forming the flanges shall be designed as axially loaded compression members.c)In bolted connection, the minimum width of lacing bars shall be four times nominal diameter of the end bolt.d)Deflection are to be checked for the most adverse but realistic combination of service load and there arrangement by elastic analysis, using a load factor of 1.0.Correct answer is option 'C'. 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 Which one of the following statements is not correct?a)The maximum effective slenderness ratio in a compression flange of a beam against lateral torsional buckling is 300.b)Double angle continuous struts such as those forming the flanges shall be designed as axially loaded compression members.c)In bolted connection, the minimum width of lacing bars shall be four times nominal diameter of the end bolt.d)Deflection are to be checked for the most adverse but realistic combination of service load and there arrangement by elastic analysis, using a load factor of 1.0.Correct answer is option 'C'. 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 Which one of the following statements is not correct?a)The maximum effective slenderness ratio in a compression flange of a beam against lateral torsional buckling is 300.b)Double angle continuous struts such as those forming the flanges shall be designed as axially loaded compression members.c)In bolted connection, the minimum width of lacing bars shall be four times nominal diameter of the end bolt.d)Deflection are to be checked for the most adverse but realistic combination of service load and there arrangement by elastic analysis, using a load factor of 1.0.Correct answer is option 'C'. Can you explain this answer?.
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ample number of questions to practice Which one of the following statements is not correct?a)The maximum effective slenderness ratio in a compression flange of a beam against lateral torsional buckling is 300.b)Double angle continuous struts such as those forming the flanges shall be designed as axially loaded compression members.c)In bolted connection, the minimum width of lacing bars shall be four times nominal diameter of the end bolt.d)Deflection are to be checked for the most adverse but realistic combination of service load and there arrangement by elastic analysis, using a load factor of 1.0.Correct answer is option 'C'. Can you explain this answer? tests, examples and also practice Civil Engineering (CE) tests.
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