Design a beam of 5 m effective span, carrying a uniform load of 20 kN/m if the compression flange is laterally unsupported. (Assume f, = 250 N/mm2) 1S CODE %3D

Considering the frame, the height of each storey is 5 m (DA) and 4m (DG) , the length of each span is 6 m (GH) and 7 m (HI), assuming columns and beams have the same cross sectional areas. *Using the cantilever method, what is the axial force at column FC?

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= 3. A rectangular beam having b = 10 in. and d= 17.5 in. spans 15 ft face to face of simple supports. It is reinforced for flexure with three No. 9 bars that continue uninterrupted to the ends of the span. It is to carry service dead load D = 1.27 kips/ft (including self-weight) and service live load L 3.70 kips/ft, both uniformly distributed along the span. Design the shear reinforcement, using No. 3 vertical U stirrups. The more approximate Eq. (5.12d) for Vê may be used. Material strengths are f = 4000 psi and f₁ = 60,000 psi. Sketch your web reinforcement design for the half length of beam. (10pt) Wul 2 (Hint: Wu = 1.2wd +1.6w₁ = 7.44 klf. Consequently, Vu at the end of beam shall be where l is the length of beam)