In determining the design capacities of members to be used in design, the theore

Question

In determining the design capacities of members to be used in design, the theoretical ultimate strength of the member is multiplied with the Capacity Reduction Factor. Which among the following could be the justification for the use of Capacity Reduction Factor in structural design? Select one: 1. To compensate for the possibility of inaccuracy in selecting material strength 2. To compensate for deficiencies during construction 3. To compensate for inaccurate dimensioning of structural members x Incorrect 4. To compensate for importance of the member for structural stability 5. All of the above

Explanation / Answer

Answer : last option.

Capacity Reduction factor is used to compensate all of the above. because all are related to material.

?beacause in designing we tend to reduce the value of design capacity. because if design capacity is less the structure is designed thinking that it will resist less than its actual capacity.

This makes the structure compensate for selecting inaccurate material strength so that even if the material is chosen bad its actual strength can prevent failure. Simillarily other descripancy related to material is compensated by this reduction.

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