1,600 k 100' 8k/ft 700' 6 k/ft (15 points) A building is 1,000 feet tall and has a rectangular plan 80 feet by 160 feet

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1 600 K 100 8k Ft 700 6 K Ft 15 Points A Building Is 1 000 Feet Tall And Has A Rectangular Plan 80 Feet By 160 Feet 1 (80.67 KiB) Viewed 67 times

1,600 k 100' 8k/ft 700' 6 k/ft (15 points) A building is 1,000 feet tall and has a rectangular plan 80 feet by 160 feet as indicated in the figure to the right. The total gravitational (vertical) load is 180,000 kips. The horizontal (wind) loads acting on the building are displayed on the figure. The building is supported by six identical columns located along the perimeter of the building's rectangular plan as shown in the figure. a. Compute the overall reactions at the base of the building due to vertical and horizontal loads. b. Compute the axial forces taken by each column at the base due to vertical and horizontal loads. C. Given an allowable stress of 20 ksi, compute the cross-sectional area required for each of the six steel columns at the base under both horizontal and vertical loads. 2007 80' Wind 80' 80'