In a building whose structural system consists of columns, beams, and floor and roof slabs, the columns are spaced at 40 ft on center in one direction and 25 ft on center in the other direction. What is the tributary area for an interior column?
A)1,000 ft
B)1,000 ft2
C)500 ft2
D)250 ft2
E)None of the above

Question

Quizplus · Accepted Answer

The tributary area for an interior column in a grid of columns is calculated by taking the product of the distances to the adjacent columns in each direction, divided by 2, since each column supports a quarter of the area around it. Thus, (40 ft x 25 ft) / 2 = 1,000 ft².

In a Building Whose Structural System Consists of Columns, Beams