Practice Design Procedure (3.1) - Columns & Bases

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10 questions

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6 sample questions

Question 1.
What is the purpose of calculating the factored axial load in column design?
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Think about safety factors.
Question 2.
Name one common type of rolled steel section used for columns.
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What familiar names have you heard?
3Question 3.
What is the primary purpose of the slenderness ratio in column design?
- To measure strength
- To prevent buckling
- To determine cost
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Consider what happens if a column is too slender.
4Question 4.
True or False: Battens are designed to provide diagonal support in columns.
- True
- False
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What shape are battens laid out in?
Question 5.
Given a built-up column comprised of two ISMB sections connected with lacing, calculate the effective length if the total height is 6 meters.
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Consider how supports affect lengths.
Question 6.
A built-up column needs to support a load of 450 kN. If the concrete strength is 30 MPa, what is the minimum area of the slab base plate?
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Use the given formula for area and check your unit conversions.

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