Design of a two-way slab - Reinforced Concrete with FRP Bars: Mechanics and Design - page 305

Table 8.4 Conversion table
US customary

SI units

Lengths, areas, section properties
1 in. 25.4 mm

0.025 m

1 ft 304.8 mm

0.305 m

1 in. 2 645 mm 2

1 ft 2 0.093 m 2

1 in. 3 16,387 mm 3

1 in. 4 416,231 mm 4

Forces, pressures, strengths
1 lbf 4.448 N

1 kip 4.448 kN

1 lbf-ft

1.356 N ⋅ m

1 kip-ft 1.356 kN ⋅ m

1 psi 6.895 kPa

1 psf 47.88 N/m 2

1 ksi 6.895 MPa

1 ksf 47.88 kN/m 2

1 lbf/ft 3 157.1 N/m 3

8.3 STEP 1—DEFINE SLAB GEOMETRY
AND CONCRETE PROPERTIES

8.3.1 Geometry
The two-way slab spans over two bays along both directions:

1 1 := 24 ft
1 2 := 24 ft

A clear top and bottom concrete cover, c c , is

c c := 0.75 in.

The width of the perimeter beams is

b beam := 14 in.