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Structural Concrete - Hassoun

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554 Chapter 15 Design for Torsion<br />

Figure 15.20 Problem 15.18.<br />

b. Design the beam section at A using a steel percentage less than or equal to ρ max for bending moment.<br />

Use b = 16 in. (300 mm), f c ′ = 4ksi,andf y = 60 ksi.<br />

15.18 The size of the slab shown in Fig. 15.20 is 16 × 8 ft; it is supported by the beam AB, which is fixed at<br />

both ends. The uniform dead load on the slab (including its own weight) equals 100 psf, and the uniform<br />

live load equals 80 psf. Design the section at support A of beam AB using f c ′ = 4ksi,f y = 60 ksi, b w =<br />

14 in., h = 24 in., a slab thickness of 5 in., and the ACI Code requirements.

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