Design of a two-way slab - Reinforced Concrete with FRP Bars: Mechanics and Design - page 302

1 2 3

A

24 ft

B

24 ft

C

24 ft 24 ft

Figure 8.1 Floor plan.

1 2

A

B

6 ft 12 ft 6 ft

Figure 8.2 Column and middle strips relative to the design panel.

8.2 DESIGN SUMMARY

Based on a slab thickness of 8 in., the following loads are considered:

Slab self-weight 96.7 psf

Superimposed dead load 2.5 psf

Live load 100 psf

Total factored load 279 psf (0.279 kip/ft)

Service load 199 psf (0.199 kip/ft)

Bending moments and shear forces per unit strip are computed for the
column and middle strips (see Figure 8.2). A commercial finite element
modeling software was used to compute bending moment and shear forces
for the various strips as summarized in Table 8.1. Because of the symmetry,
only the forces in one direction are shown.