A column is subjected to the following loads: dead load = 26 kips, occupancy live load = 15 kips, roof live load = 5 kips, snow load = 8 kips, rain load = 5 kips, and wind load = 8 kips. All loads are compression except for the wind load, which can be either tension or compression. 1. If load and resistance factor design is used, determine the factored load (required strength) to be used in the design of the column. Which AISC load combination controls? 2. What is the required design strength of the column? 3. What is the required nominal strength of the column for a resistance factor f of 0.90? 4. If allowable strength design is used, determine the required load capacity(required strength) to be used in the design of the column. Which AISC load combination controls? 5. What is the required nominal strength of the column for a safety factor Ω of 1.67?
A column is subjected to the following loads: dead load = 26 kips, occupancy live load = 15 kips, roof
live load = 5 kips, snow load = 8 kips, rain load = 5 kips, and wind load = 8 kips. All loads are compression
except for the wind load, which can be either tension or compression.
1. If load and resistance factor design is used, determine the factored load (required strength) to
be used in the design of the column. Which AISC load combination controls?
2. What is the required design strength of the column?
3. What is the required nominal strength of the column for a resistance factor f of 0.90?
4. If allowable strength design is used, determine the required load capacity(required strength) to
be used in the design of the column. Which AISC load combination controls?
5. What is the required nominal strength of the column for a safety factor Ω of 1.67?
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