A column in a building is subjected to a compressive load from the following sources: 10 kips from dead load 6 kips from roof live load 7 kips from snow 9 kips from wind 8 kips from 4 inches of rain accumulated on the roof a. 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? b. What is the required design strength of the column? c. What is the required nominal strength of the column for a resistance factor ∅ of 0.90?
A column in a building is subjected to a compressive load from the following sources:
10 kips from dead load
6 kips from roof live load
7 kips from snow
9 kips from wind
8 kips from 4 inches of rain accumulated on the roof
a. 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?
b. What is the required design strength of the column?
c. What is the required nominal strength of the column for a resistance factor ∅ of
0.90?
d. 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?
e. What is the required nominal strength of the column for a safety factor Ω of 1.67?
Note: All given loads are service loads.
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