Given the floor system depicted in Fig. 3.23, determine the minimum thickness of the one-way slab assuming that it is not supporting or attached to any type of construction 145 pcf and fy = likely to be damaged by large deflections. Material data are we = 60,000 psi. 18 x 18 in column (typical perimeter) OT- 20 ft 6 in 24 ft 6 in 20 ft 6 in 24 ft 6 in 20 ft 6 in - 16 ft 6 in B 18 ft 0 in 9-in one-way slab 18 ft 0 in D 24 x 24 in column (typical interior) 1|1 ---8- ro 16 ft 6 in FIGURE 3.23 The floor plan of the reinforced concrete hotel of Problem 3.6. 18 x 20 in beam (typical perimeter) 24 x 20 in beam (typical interior)