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Lacing bars in a steel column should be designed to resist
- a)bending moment due to 2.5% of the column load
- b)shear force due to 2.5% of the column load
- c)2.5% of the column load
- d)Both (a) and (b)
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Lacing bars in a steel column should be designed to resista)bending mo...
The lacing of compression members should be designed to resist a transverse shear, V = 2.5% of axial force in the member.
For single lacing system on two parallel faces, the force (compressive or tensile) in each bar,
For double lacing system on two parallel planes, the force (compressive or tensile) in each bar,
For single lacing system on two parallel faces, the force (compressive or tensile) in each bar,
For double lacing system on two parallel planes, the force (compressive or tensile) in each bar,
Most Upvoted Answer
Lacing bars in a steel column should be designed to resista)bending mo...
Lacing bars are used in steel columns to resist buckling and improve their load carrying capacity. They are typically placed diagonally between the flanges of the column and help to transfer the load between the top and bottom flanges.
The design of lacing bars in a steel column should take into account the shear force and bending moment that they will be subjected to. The correct answer to this question is option B, which states that lacing bars should be designed to resist shear force due to 2.5% of the column load.
Explanation:
- Shear force is the force that acts perpendicular to the longitudinal axis of the column and tends to cause it to shear or slide.
- The 2.5% of the column load refers to the fact that the shear force on the lacing bars will be a fraction of the total load on the column.
- Designing the lacing bars to resist this shear force will ensure that they do not fail due to excessive deformation or rupture.
It is also important to note that lacing bars should be designed to resist bending moment, which is the moment that tends to bend the column about its longitudinal axis. However, option A which states that lacing bars should be designed to resist bending moment due to 2.5% of the column load is incorrect as it does not take into account the fact that bending moment will be a function of the length of the column, the type of loading, and other factors.
In summary, lacing bars in a steel column should be designed to resist shear force due to 2.5% of the column load to ensure their safe and efficient operation.
The design of lacing bars in a steel column should take into account the shear force and bending moment that they will be subjected to. The correct answer to this question is option B, which states that lacing bars should be designed to resist shear force due to 2.5% of the column load.
Explanation:
- Shear force is the force that acts perpendicular to the longitudinal axis of the column and tends to cause it to shear or slide.
- The 2.5% of the column load refers to the fact that the shear force on the lacing bars will be a fraction of the total load on the column.
- Designing the lacing bars to resist this shear force will ensure that they do not fail due to excessive deformation or rupture.
It is also important to note that lacing bars should be designed to resist bending moment, which is the moment that tends to bend the column about its longitudinal axis. However, option A which states that lacing bars should be designed to resist bending moment due to 2.5% of the column load is incorrect as it does not take into account the fact that bending moment will be a function of the length of the column, the type of loading, and other factors.
In summary, lacing bars in a steel column should be designed to resist shear force due to 2.5% of the column load to ensure their safe and efficient operation.
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